Audio Video Replacement Parts
Showing 181–240 of 349 results
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ESP-32S ESP-WROOM-32 ESP32 WIFI Dual Core CPU Development Board 802.11b/g Wi Fi BT Module Ultra-Low Power Consumption
ESP-32S ESP-WROOM-32 ESP32 WIFI Dual Core CPU Development Board 802.11b/g Wi Fi BT Module Ultra-Low Power Consumption Description: 1. The onboard CP2102 stable USB to TTL chip ensures the normal communication of the serial port. 2. Support automatic download, no need to manually switch download and running mode. 3. Immersion Gold Craft 4. Support development on Windows system cygwin and msys32 simulation environment and Linux system 5. Support ESP32-Arduino Specifications: ESP-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for [...]
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2.0 Channel 2X15W Mini Digital Audio Power Stereo Amplifier Module Board TPA3110 12V Class D Bass Thrust Stronger AMP Board
2X15W Digital Audio Stereo Amplifier Module Board TPA3110 12V Class D Power AMP Board Feature: 1. The 2.0 channel 2 x 15W high power mini digital power amplifier board adopts TPA3110 power amplifier chip. 2. The chip does not need heat sink, but also has the function of overcurrent and overheating. 3. This power amplifier board is designed by the improvement of the official standard circuit. 4. It increases the power supply protection against reverse protection and 2 new design low pass filtering, and the bass thrust is stronger. [...]
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Bluetooth Audio Receiver board Bluetooth 4.2 MP3 Lossless Decoder Board Wireless Stereo Music Module
Description:1. This product is a scheme. It supports the transmission. Dual-channel stereo non-destructive playback.2. After the module is connected to transmission can be realized quickly, which is very convenient. In the open environment, distance can be up to 20 meters.3. Widely used in various Bluetooth-compatible audio reception, various audio DIY modification, convenient and model: HW-407Working Voltage: DC3.7~5VOutput Load: EarphoneProduct size: 45 x 20 x 8mm/1.77 x 0.78 x weight: 4gFunctional version technology, WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual-channel output.2. When the module is powered on, the mobile phone searches for HW-407, [...]
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PCB Dual Color HW-479 3.3V 5V 5mm KY-011 LED Sensor Modules for DIY Applicable Accessories LED Sensor
HW-479 3.3V 5V 5mm KY-011 PCB Dual Color RGB LED Sensor Modules for DIY Applicable Accessories Feature: Use 5mm full color super bright LED With current-limiting resistor to prevent burnout of LED Can be connected to various microcontrollers High level lights up the LED Can be directly plugged into the motherboard for use, no Dpont cable connection is required Specification: PCB color: Black Working voltage: 3.3V/5V Product size: 19 x 15 x 15mm Product weight: 3g Packing size: 50 x 50 x 15mm Package weight: 3g Note: Due to [...]
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4.0 Adapter Mini Wireless Audio Music Single Receiver Transmitter Car Speaker For Car Speaker Connector Usb Stereo
4.0 Adapter Mini Wireless Audio Music Single Receiver Transmitter Car Speaker For Car Speaker Connector Usb Stereo Description: Instructions for use: This section requires an audio cable to be used! 1, connected to the speaker In the first way, the speaker does not have a USB interface. Plug the flash drive into a charger with a 5VUSB interface and connect the audio cable to the AUX port The second way, the speaker has a USB interface Plug the flash drive directly into the speaker USB port and connect the audio cable to the AUX port. [...]
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RC Absorption Circuit Module Relay Contact Protection Resistance Surge Board
RC Absorption Circuit Module Relay Contact Protection Resistance Surge AC/DC 5V-400V Snubber Board Description: RC absorption circuit is also called RC Snubber circuit. It is a circuit structure in which resistors and capacitors are connected in series and connected in parallel with switching devices. It is used to improve the voltage and current waveforms of electronic power devices when they are turned on and off. The RC absorption circuit module can prevent the induced electromotive force generated at the moment of turning on and off of the inductive load from causing damage to the switching devices such as relays [...]
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2*50W Bluetooth 5.0 Power Amplifier Class D Audio 10W~200W HiFi Stereo Wireless Music Player Mini USB Sound Card App Digital AMP
3701 2x50W Bluetooth-compatible 5.0 Power Amplifier Audio Stereo Wireless Music Player Sound Card AMP Board Feature: Using Bluetooth-compatible 5.0 main control chip, good transmission effect and high stability With button control, there are control up and down music, volume increase and decrease, play, pause, switch machine, etc., The micro 5p interface is powered, and the ordinary mobile phone charger 5V2A charging cable can be used. Specification: Audio parameters: 4 ohms 2x5W Power interface: micro 5p reserved 2.5mm welding port, does not support battery power supply Input voltage: 3.7V-5V Power amplifier working mode: switchable AB and Signal to noise ratio: [...]
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HW-677 Q65 48V Adjustable Module DC-LM2596HVS Input 4.5-50V Voltage Converter Stabilizer Power Supply Buck Module
Features: 1.High efficiency up to 92. 2.4.5V-60V adjustable input voltage range. 3.3-40V adjustable output voltage range. 4.With over-current and over-temperature protection, safe for use. 5.Fine workmanship, long life span. Description: 1.Can set the float voltage and charging current. 2.Special design enhanced heating radiating. 3.Mini size, easy to install. Specifications: Input: 4.5-60V Output: 3-40V Output current: 3A Efficiency: 92 Material: electronic component Size: 43 x 20.5 x 12.5mm Color: blue Package Included: 1 x Step-down Module Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is [...]
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TDA2822M Digital Power Amplifier Board 2×1.5W 2.0 Channel Stereo Audio Power Amplifier Board DC 5V 12V CAR Sound Amp Module
TDA2822M Digital Power Amplifier Board 2x1.5W 2.0-Channel Stereo Audio Power Amp Module Specification: Rating: 1W x 2 1-3 inch speaker Mximum power: 1.5 W x 2 0.2-5 W can meet the speakers Speaker impedance: 4-32 Ω Power amplifier ratio: ≥50 db Distortion: 0.1 Input interface: 3 p wiring jokes Adjust the form: volume adjustment Input voltage: DC 1.8-12V Product size: 63 x 29 x 23mm/2.48 x 1.14 x 0.91 Product weight: 25g Packing size: 100 x 50 x 30mm/3.94 x 1.97 x 1.18 Gross weight: 25g Instructions for use: 1. Connect the speakers The speakers at [...]
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TP5100 Double Single Lithium Battery Charge Management Compatible 2A Rechargeable Llate 18650 4.2V 8.4V Built-in power MOSFET
Description: 1. The TP5100 is a switching step-down dual section 8.4v/single section 4.2v lithium battery charging management chip. Its QFN16 subcompact package and simple peripheral circuits make the TP5100 ideal for high-current charging management applications in portable devices. 2. Meanwhile,TP5100 has built-in input overcurrent, undervoltage protection, chip overtemperature protection, short-circuit protection, battery temperature monitoring and battery reverse connection protection. 3. The TP5100 has a wide input voltage of 5v-18v, and the battery charging is divided into three stages: trickle precharging, constant current and constant voltage. The trickle precharging current [...]
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Drive Module Mosfet MOS Optocoupler Isolation Driver Module Field Effect Transistor Trigger Switch PWM Control Controller Board
Mosfet MOS Optocoupler Isolation Driver Module 3-20V Field Effect Transistor Trigger Switch 0-20KHz PWM Control Controller Board Feature: 1. High-Quality Components: This MOSFET drive module is made using high-quality components, including field-effect transistors FETs, PWM switches, and control boards. 2. Wide Input Voltage Range: The module supports a wide input voltage range of 3-20V PWM signal, making it compatible with various devices. 3. High Output Capacity: The drive module can output DC 3.7-27V, and current within 10A, providing enough power for high-performance [...]
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Aux Audio Noise Reducer Ground Loop Noise Isolator 3.5mm Audio Isolator Auido Humming Hissing Buzzing Noise Eliminator
265 Aux Audio Noise Reducer Ground Loop Noise Isolator 3.5mm Audio Isolator Auido Humming Hissing Buzzing Noise Eliminator Features: Works with any portable device that has 3.5mm audio jack, for your Car Audio System/Home Stereo; Completely eliminating the buzzing noise, caused by ground loop which happens when the audio source; Compact and portable ,easy to carry; You can enjoy the clean and clear music/audio by eliminating the current noise in some car speakers; Car stereo noise filter is a simple way to eliminate problematic noise; Specifications: Material:PVC Interface:3.5mm PlugAUX Cable Package Includes: 1x 3.5mm Audio [...]
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ESP-32S ESP-WROOM-32 ESP32 ESP-32 Bluetooth-compatible And WIFI Dual Core CPU With Low Power Consumption MCU ESP-32 Module
Description: ESP32-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for low-power sensor networks and demanding tasks, such as voice coding, audio streaming, and MP3 Decoding etc. The core of this module is the ESP32-D0WDQ6 chip x , which is scalable and adaptive. The two CPU cores can be controlled separately. clock The frequency adjustment range is from 80 MHz to 240 MHz. The user can cut off the power of the CPU and use the low-power co-processor to continuously monitor the peripherals [...]
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2S-6S Lithium Battery Balanced Charger Expansion JST XH Adapter Board for MEGA Power 860 960 RC Lipo Battery Charging
2S-6S Lithium Battery Balanced Charger Expansion JST XH Adapter Board for MEGA Power 860 960 RC Lipo Battery Charging Specification: JST XH Balance Charging Adapter 6S Expansion Board Support 2S-6S lithium battery Suitable for MEGA Power 860 and 960 chargers Dimensions: 60 x 25 x 15mm Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X Battery [...]
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Bluetooth-compatible 5.0 LTK5328 Audio Power Amplifier Stereo Dual Channel Digital Power Amplifier Board 3.7V-5V
Bluetooth-compatible 5.0 LTK5328 Audio Power Amplifier Stereo Dual Channel Digital Power Amplifier Board 3.7V-5V Description: Product color: black Power interface: micro 5p reserved 2.5mm welding port Input voltage: 3.7V-5V Amplifier working mode: switchable class AB and class D Signal-to-noise ratio: 90DB THD N:-70DB Crosstalk: -86db DNR: 91db Product size: 54mm x 33mm x 15mm Packing size: 8cm x 5cm x 2cm Specifications: 【output interface】 speaker output port x 2 groups one group for left and right channels, it is recommended to connect 4 ohm 5W-50W power speakers for use 【Switchable mode】Users can freely [...]
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ESP32 ESP-32 Development Board Wireless WiFi Bluetooth-compatible module Dual Core CP2102 Filters Module 2.4GHz RF For Arduino
94735 ESP Module There are two types of ESP-32 WiFi wireless Bluetooth-compatible development boards, one is welded, and the other is welded with an electric soldering iron!! ESP32-CAM: 1.Flash: built-in flash 2.Functional Different: Can be used to develop and test 3.Reset switch: there is a reset switch 4.Camera: Camera interface Specifications: Uses: Instrument Package: ESP32-CAM Development Board, ESP32-CAM + Camera Featured service: WIFI+ Wireless module ESP32 serial port WIFI / camera ESP-32: 3. The complete solution takes up the least printed circuit board area. This board is used with [...]
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Aubess ESP32 Development Board WiFi+Bluetooth-compatible Ultra-Low Power Consumption Dual Core ESP-32 ESP-32S ESP 32 Similar
Aubess ESP32 Development Board WiFi Bluetooth-compatible Ultra-Low Power Consumption Dual Core ESP-32 ESP-32S ESP 32 Similar Description: ESP32-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for low-power sensor networks and demanding tasks, such as voice coding, audio streaming, and MP3 Decoding etc. The core of this module is the ESP32-D0WDQ6 chip x , which is scalable and adaptive. The two CPU cores can be controlled separately. clock The frequency adjustment range is from 80 MHz to 240 MHz. The user can cut off [...]
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ESP32 Development Board WiFi Bluetooth Module D1 Mini ESP8266 ESP-12E 12F WiFi Module ESP-32S ESP32-DevKitC ESP-WROOM-32 CP2102
Spanish buyers Attention: If your address includes following postal codes, please do not choose the Spanish warehouse. The Zip code starts with 35/38. The overseas warehouse cannot deliver, Otherwise we will send the order from the Chinese warehouse. ESP32 Development Board P2102 Driver Chip ESP32-DevKitC Core Board WiFi Bluetooth-compatible USB5V 3.3V/5V Induced Power Supply Feature: 1. Versatile Connectivity: Features the ESP32 WROOV32D module and P2102 driver chip for seamless Bluetooth-compatible and MF connectivity. 2. Flexible Power [...]
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HW-425 Bluetooth-compatible Audio Receiver Module Bluetooth-compatible 4.2 Wireless HiFi Stereo Lossless MP3 Music Decoder Board
HW-425 Bluetooth-compatible Audio Receiver Module Bluetooth-compatible 4.2 Wireless HiFi Stereo Lossless MP3 Music Decoder Board Feature: Accurate cutouts and interfaces ensure that they fit perfectly in the installation location. Easy installation. Made of high-quality materials, corrosion-resistant, wear-resistant, durable and long service life. Professional chipset can provide excellent system performance. Low power consumption, support Bluetooth-compatible 4.2 transmission, two-channel stereo lossless playback. After the module is connected with it can quickly sense the wireless transmission of which is very easy to use. In an open space, the Bluetooth-compatible connection distance can reach up to 20 meters. It [...]
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Receiver Adapter Audio 4.0 Adapter Stereo Transmitter Usb Mini Audio Receiver Newest Car Speaker
Receiver Adapter Audio 4.0 Adapter Stereo Transmitter Usb Mini Audio Receiver Newest Car Speaker Description: Instructions for use: This section requires an audio cable to be used! 1, connected to the speaker In the first way, the speaker does not have a USB interface. Plug the flash drive into a charger with a 5VUSB interface and connect the audio cable to the AUX port The second way, the speaker has a USB interface Plug the flash drive directly into the speaker USB port and connect the audio cable to the AUX port. 2, pairing Turn on [...]
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ESP32 ESP-32 Development Board Wireless WiFi Bluetooth-compatible Dual Core Filters Power Management Module Newest
Description: 1. NodeMCU-32S is the core development board designed by for Anxinke based on ESP-32S module. 2. The Development Board continues NodeMCU 1.0 classic design, eliciting most I/O to both sides of the needle, developers can connect peripherals according to their own needs. 3. When using breadboard for development and debugging, the standard needle arrangement on both sides can make the operation more simple and convenient. Cost-effective small volume. Easy to embed into any product Powerful, support LWIP protocol, freertos Support three modes: AP, STA, AP+STA coexistence mode Lua programming makes your development easier Specifications: Packaging [...]
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Air Compressor Pressure Valve Switch Manifold Relief Regulator Gauges 90-120PSI 230-220V Aluminum alloy bracket
Aluminum alloy Air Compressor Pressure Valve Switch Manifold Relief Regulator Gauges 125 PSI 230 Durable and practical. Easy to install and remove.The main function of the clique is to adjust the air compressor to close and start the pressure.Users can adjust according to their actual situation.The air regulator on both sides of the copper is an exhaust clique that opens the gas when used.Right red is the safety aluminum, plasticColor: as shownRated voltage: 220vExhaust pipe: about 6MMBracket joint size: about 20MMOuter pressure relief port: about 9.5MMMaximum current: 20AWorking pressure: 5-8KG 90-120 PSISwitching pressure range: 0.5-0.8MPA 5-8BAR 90-120PSImethod: normally closedSize: [...]
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ESP32 Development Board Wireless WiFi +Bluetooth-compatible Dual Core CP2104 Filters Module 2.4GHz RF For Arduino High Quality
Features: 1. Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away. 2. Durable material: This product is made of high-quality material, durable, long service time, firm and stable in use. 3. The complete solution takes up the least printed circuit board area. This board is used with 2.4GHz dual-mode WiFi and wireless chips using 40nm TSMC low-power technology. 4. The best power and RF characteristics are safe, reliable and scalable for various applications. 5. Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service life. [...]
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9V/12V/24V to 5V DC-DC Step Down Car Charging Car Charger 3A Output USB Charger Module Diy Electronic Diy Kit Pcb Board
DC-DC 9V/12V/24V to 5V Step Down Charger Power Module 3A Output USB Car Charging Regulator Buck Voltage Board Descriptions: A switching step-down DC-DC converter module; Fixed switching frequency 150KHz, the chip has excellent linearity adjustment and load regulation, fixed output 5V. The chip integrates reliability modules such as overcurrent protection, overtemperature protection, and short circuit shutdown. Specifications: Input: 5V-36V Output: 5V/3A Conversion Efficiency: 96 Switching Frequency: 150KHz Working Temperature: -40°C-+85°C Load Capacity: Maximum Output 3A, Long-Term Work 2A Product Size: 38 X 16 X 5mm/1.5 X 0.63 X [...]
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Hot Development Board WiFi+Bluetooth-compatible Ultra-Low Power Consumption Dual Core ESP-3 ESP-32S ESP 32 ESP-WROOM-32 ESP-32
Hot Development Board WiFi Bluetooth-compatible Ultra-Low Power Consumption Dual Core ESP-3 ESP-32S ESP 32 ESP-WROOM-32 ESP-32 Description: ESP32-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for low-power sensor networks and demanding tasks, such as voice coding, audio streaming, and MP3 Decoding etc. The core of this module is the ESP32-D0WDQ6 chip x , which is scalable and adaptive. The two CPU cores can be controlled separately. clock The frequency adjustment range is from 80 MHz to 240 MHz. The user can cut [...]
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HXJ8002 Mini Audio Power Amplifier Board Module BTL Audio Amplifier Module 3W 2.0-5.5V Mono Channel Voice Low Noise For Speaker
Description: HXJ8002 is a single channel 3W, BTL bridge connected audio shear rate amplifier. It can work at 5V operating voltage, 3 loads, and provide an average output power of 3W with THD <106. HXJ8002 is specially designed to provide high-power, high-fidelity audio output. Extremely old external components simplify the circuit design, save circuit board space, reduce sub-production costs, and can work under low voltage conditions 2.0V- 5.5V. HXJ8002 does not need coupling capacitor, bootstrap capacitor or buffer network, so it is very suitable for low volume and low weight low power consumption system. Specifications: Product Parameters: 1. [...]
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UNI-T Infrared Thermal Imager UTi120S PCB Circuit Industrial Testing Floor Heating Tube Testing original genuine Thermal camera
Features ● infrared resolution: 120 × ninety● temperature measurement range: - 20 ~ 400 ℃● temperature measurement mode: center point, high and low temperature tracking● photo storage: 16GB TF Card● high and low temperature alarm: image, beep, LED flashing● laser indication / LED lighting● three prevention design: IP54 / two meter fall prevention● PC analysis software● six palette options● adjustable emissivity● the service time shall not be less than 9 hours● 3.7v/2600mah rechargeable lithium battery● bottom design ¼ Screw holes can be used with tripod Uti120s detailed description 1. WORLDWIDE SHIPPING.Except some countries and APO/FPO2. Orders processed timely after [...]
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Receiver Transmitter Transmitter Stereo 4.0 Adapter 3.5mm Mini Audio Receiver Music Adapter Usb
Receiver Transmitter Transmitter Stereo 4.0 Adapter 3.5mm Mini Audio Receiver Music Adapter Usb Description: Instructions for use: This section requires an audio cable to be used! 1, connected to the speaker In the first way, the speaker does not have a USB interface. Plug the flash drive into a charger with a 5VUSB interface and connect the audio cable to the AUX port The second way, the speaker has a USB interface Plug the flash drive directly into the speaker USB port and connect the audio cable to the AUX port. 2, pairing Turn on the [...]
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Mini Wireless USB Bluetooth-Compatible Dongle Adapter 5.0 Music Audio Receiver Transmitter For PC Speaker Mouse Laptop
Mini Wireless USB Bluetooth-Compatible Dongle Adapter 5.0 Music Audio Receiver Transmitter For PC Speaker Mouse Laptop Description: x Fully compatible with Bluetooth-compatible 2.0, Bluetooth-compatible 2.1, Bluetooth-compatible 3.0, Bluetooth-compatible 4.0 and Bluetooth-compatible 4.2 specifications. x Comply with Bluetooth-compatible 5.0 technical specifications, dual mode transmission. x Farther transmission distance: 100 meters long transmission distance no blocking, strong signal. x 24Mbps transmission rate, providing stable and high-speed transmission of file and audio data. x Intelligent sleep wake-up energy-saving, 24-bit CRC check to resist interference, adaptive frequency hopping to reduce crosstalk. Specifications: [...]
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Hot Sale XH-A232 30W+30W Channel Digital Stereo Audio Power Amplifier Board mp3 amplifier module DC 8-26V 3A
Description: Product Name: Digital Audio Power Amplifier Board Product model: XR-A232 Power amplifier type: Class D Input voltage: DC8-26V DC Input current: more than 3A Number of channels: two channels Peak value: 30w+30w Output impedance: 4-8 ohms Signal to noise ratio: 100db Product net weight: 21 grams Appearance size: 53 x 45 x 14MM Specifications: Good quality; Easy to link; Package Included: 1 x audio power amplifier board [...]
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HW-882 2S 3A 7.4V 8.4V 18650 Lithium Battery Charger Protection Board BMS Module
HW-882 2S 3A 18650 Li-ion Lithium Battery Charger Protection Board BMS Module 7.4V 8.4V Feature: 2S 7.4V/8.4V 18650 lithium battery protection board, suitable for protecting two rechargeable li-ion/lithium polymer batteries in series from overcharge and overdischarge. Specification: Charging voltage: 8.4V-9V Maximum working current: 3A Maximum instantaneous current: 5A Quiescent current: less than 3uA Internal resistance: less than 45mΩ Over-discharge voltage range: 2.3-3.0V ±0.05V Overcharge voltage range: 4.25-4.35V ±0.05V Short circuit protection: it can be protected and needs to be recharged Product size: 36 x 6 x 2mm Product weight: 3g Packing size: 50 x 50 x [...]
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TPA3118 PBTL Mono 60W Digital Amplifier Board AMP Audio Module Chip Universal
TPA3118 PBTL Mono DC 8-24V 60W Digital Audio Amplifier Board AMP Module Chip Replacement Universal Specifications: Amplifier chip: TPA3118 Amplifier power: 1 x 60W mono, stereo requires two amplifiers Supply voltage: 8-24V DC Size: 46 x 35 x 11mm/1.81 x 1.38 x 0.43 Net weight: 12g Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. 1 X TPA3118 [...]
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Linlai Hifi 6SN7 Vacuum Tube Hifi Audio Tube Amplifier Replace 6N8P/CV181/ECC32 One Pcs 15Months Guarenteed
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XH-M273 PT2399 Digital Preamplifier Board Karaoke Reverberation Microphone Control Kits NE5532 Op Amp DC 12-24V
Description XH-M273 Karaoke board reverberation board microphone amplifier board DC12-24VMain performanceThis karaoke board uses the PT2399 reverberation chip, with the NE5532 op amp, it can mix the human voice and the music, which can realize the independent adjustment of the music volume, microphone volume, and reverberation time to achieve the K song effect.This product can use DC 12-24V power supply or AC 5-12V. It can be directly used for various digital power amplifier boards. If the power supply voltage is the same, the power supply can be shared extremely conveniently. Note Only adjustable moving-coil microphone can be used, [...]
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WD Digital desktop hard disk PCB 2060 800068 001 Rev P1 measured NEW
most hdd boards have the unique biosrom or nvram chip which includes the unique data to access the hdd system area. if the bios information is not compatible with your hdd, there is no way to read the hdds data. because of this, we should use the original pcbs bios when we swap pcb. bios chip swapping is a must. before you purchase, please read: 1 this is just a pcb printed circuit boards, not the whole hard drive; 2 pcb board number is printed on the board, not on the sticker; 3 these boards are used, not brand [...]
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YAOGREENHAM jumbospot V1.3 MMDVM_HS_Dual_Hat Duplex Hotspot Board kit With USB Port Support P25 DMR YSF NXDN For Raspberry pi
New arrival :If you want to buy the finished MMDVM hotspot power bank ,please click this link The default bit error rate is less than 5, and the default offset is 0. If the bit error rate is more than 5, as long as the signal can be received, it can be corrected by offset. 1.Latest version V1.3, and the firmware is latest 2. original cystal : Original from USA Duplex variant of MMDVM_HS_Hat This PCB uses the MMDVM_HS . It has two ADF7021 onboard and allows for duplex operation with two [...]
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DIY Applicable 3.3V 5V 5mm KY-011 PCB HW-479 Dual Color RGB LED Sensor Modules for DIY Applicable Accessories
Spanish buyers attention: if your address includes following postal code please do not choose the Spanish warehouse. The zip code starts with 51 /52/ 07 /35 /38. Overseas warehouse cannot be delivered. Otherwise we will send the order from China warehouse. HW-479 3.3V 5V 5mm KY-011 PCB Dual Color RGB LED Sensor Modules for DIY Applicable Accessories Feature: Use 5mm full color super bright LED With current-limiting resistor to prevent burnout of LED Can be connected to various microcontrollers High level lights up the LED Can be directly plugged [...]
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80W 2 Way Crossover Audio Filters HiFi Speaker Dual Frequency Divider Speaker Frequency Divider Stereo Crossover
WEAH-234 80W 2 Way Hi-Fi Audio Treble Bass Speaker Frequency Divider Home Video Sound Crossover Filters Device Feature: 41mm large inductance. High temperature and high current inductance for audio, which can quickly reduce heat generation and show frequency response. Imported MKP capacitance. MKP metallized film capacitor, low loss of metallized material, small internal heating, excellent flame retardant performance, is a powerful guarantee for high-quality frequency divider. Specification: Model: WEAH-D234 high and low frequency division Power: 80W Impedance: 4-8 ohm Applicable speaker: less than 6 inch [...]
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2PCS GE5654W GE5654 Vacuum Tube Valve Vacuum Electronic Tube Upgrade For 6J1 6M1 6AK5 6J1P EF95 Pairing Audio Amplifiers
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ESP32 Development Board WiFi+Bluetooth-compatible Ultra-Low Power Consumption Dual Core ESP-32S ESP 32 ESP-WROOM-32 ESP-32
ESP32 Development Board WiFi Bluetooth-compatible Ultra-Low Power Consumption Dual Core ESP-32S ESP 32 ESP-WROOM-32 ESP-32 Description: ESP32-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for low-power sensor networks and demanding tasks, such as voice coding, audio streaming, and MP3 Decoding etc. The core of this module is the ESP32-D0WDQ6 chip x , which is scalable and adaptive. The two CPU cores can be controlled separately. clock The frequency adjustment range is from 80 MHz to 240 MHz. The user can cut off the [...]
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Audio Amplifier Board Module TDA2030A 6-12V 18W Mono Power Supply Module
Audio Amplifier Board Module TDA2030A 6-12V 18W Single Amp Power Supply Module Feature: 1. On-board TDA2030A audio power amplifier chip. 2. Design of single channel 18W power amplifier circuit. 3. On-board trumpet connection seat. 4. On board 10K adjustable resistor, which can adjust the amplified volume. 5. On-board power indicator lamp. 6. The chips main pin has been extracted, and it can input the audio signal directly. Specification: Working voltage: 6-12V Plate size: Note: Please allow 1-3mm differs due to manual measurement. Due to [...]
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Governor Switch Motor Speed Controller Board Speed Controller Module Adjustable Voltage Regulator Governor Switch
5A 90W PWM Motor Speed Controller Module DC 5V-35V Adjustable Voltage Regulator Governor Switch Specification: Working Voltage: DC 5V-35V Output Current: 0-5A Output Power: 90W Large Quiescent Current: 7μA Standby State PWM Duty Cycle: 1-100 PWM Frequency: 20KHz Product Size: 50 X 30 X 15mm/1.97 X 1.18 X 0.59 Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due [...]
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2Pcs JRC5532DD/NJM5532DD Dual Op Amp Better Than NE5532 For Audiophile Diy Audio Precision Dual Op Amps
Specification: New and high quality Model: JRC5532DD Low Distortion Low Noise Precision Dual Operational Amplifier Specifications: DIP8 double-row eight-pin in-line plastic package Colour: Black Working voltage: ±3.0V~±20.0V Slew rate: 8V/μs Noise density: 10nV/ √ ^Hz Gain bandwidth: 10MHz Package Included:2 Pcs Note: 1. Due to manual measurement, please allow an error of 1-3mm. 2. As different computers display different colors, thank you for your understanding, the actual product color may [...]
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ESP32 Development Board WiFi+Bluetooth-compatible Ultra-Low Power Consumption Dual Core ESP-32S ESP 32 ESP-WROOM-32 ESP-32
Description: ESP32-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for low-power sensor networks and demanding tasks, such as voice coding, audio streaming, and MP3 Decoding etc. The core of this module is the ESP32-D0WDQ6 chip x , which is scalable and adaptive. The two CPU cores can be controlled separately. clock The frequency adjustment range is from 80 MHz to 240 MHz. The user can cut off the power of the CPU and use the low-power co-processor to continuously monitor the peripherals [...]
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Official TPA3110 Stereo Audio Power Amplifier Board XH-A232 30W+30W 2.0 Channel Digital Audio Power Amplifier DC 8-26V 3A C6-001
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1PC Oracle II 01 02 Single & Dual Op Amp Hybrid Audio Operational Amplifier Upgrade OPA2604AP NE5532 MUSES02 Op Amp
What is the difference between 01 and 02? 01 is the latest upgraded version of single op amp02 is the latest upgraded version of the dual op amp Product Details: Oracle II, a new generation of hybrid discrete audio operational amplifiers. Following the first generation of excellent sound operational amplifiers, from the Sound of Science in Silicon Valley, Sonic Scientific recently launched a new series of hybrid discrete audio operational amplifiers. Oracle II, it is designed for general-purpose audio applications. After reducing the relative bandwidth and speed, its maximum withstand voltage is increased to +/- 20 V, and the constant [...]
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Relay Contact Protection Absorption Circuit Module AC/DC 5V-400V Snubber Board
RC Absorption Circuit Module Relay Contact Protection Resistance Surge AC/DC 5V-400V Snubber Board Description: RC absorption circuit is also called RC Snubber circuit. It is a circuit structure in which resistors and capacitors are connected in series and connected in parallel with switching devices. It is used to improve the voltage and current waveforms of electronic power devices when they are turned on and off. The RC absorption circuit module can prevent the induced electromotive force generated at the moment of turning on and off of the inductive load from causing damage to the switching devices such [...]
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ESP32 ESP-32 ESP32-S Wireless Module From ESP-WROOM-32 With 32 Mbits Of PSRAM IPEX / ESP-32S With 4MB FLASH WiFi+Dual-core CPU
ESP32 ESP-32 ESP32-S Wireless Module From ESP-WROOM-32 With 32 Mbits Of PSRAM IPEX / ESP-32S With 4MB FLASH WiFi Dual-core CPU Description: ESP32-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for low-power sensor networks and demanding tasks, such as voice coding, audio streaming, and MP3 Decoding etc. The core of this module is the ESP32-D0WDQ6 chip x , which is scalable and adaptive. The two CPU cores can be controlled separately. clock The frequency adjustment range is from 80 MHz to 240 MHz. The user can [...]
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HW-425 Bluetooth-compatible Audio Receiver Module Bluetooth-compatible 4.2 Wireless HiFi Stereo Lossless MP3 Music Decoder Board
HW-425 Bluetooth-compatible Audio Receiver Module Bluetooth-compatible 4.2 Wireless HiFi Stereo Lossless MP3 Music Decoder Board Feature: Accurate cutouts and interfaces ensure that they fit perfectly in the installation location. Easy installation. Made of high-quality materials, corrosion-resistant, wear-resistant, durable and long service life. Professional chipset can provide excellent system performance. Low power consumption, support Bluetooth-compatible 4.2 transmission, two-channel stereo lossless playback. After the module is connected with it can quickly sense the wireless transmission of which is very easy to use. In an open space, the Bluetooth-compatible connection distance can reach up to 20 meters. It is widely [...]
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very small & light dd0505md 250ma smd 3.3v 3.7v 4.2v to 5v charge pump dc-dc converter boost step up power module
Applications: Low-power LED Driver White LED Backlighting LCD display sensor Li-Ion Battery Backup Supplies Local 3V to 5V Conversion Smart Card Readers PCMCIA Local 5V Supplies Product Name: DD0505MD 3.3V 3.7V 4.2V to 5V Charge Pump DC DC Converter Boost Step Up Power Module for sensor 18650 power bank ds18b20 LCD Packing list: 1 PCS DD0505MD SMD 250MA 2.8V-5V to 5V DC DC Boost Converter This is a micro-power only 250MA DC-DC Step-Up Converter module. If you need 1200MA 3V-5V to 5V Boost module , Click here If you need 1200MA 5V-23V to 5V Buck module , Click here [...]
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TPA3116D2 High Power Amplifier 30w+30w High Power Audio Amplifier Module Subwoofer Board Kit Dual Channel Stereo Amplifier
TPA3116D2 High Power Amplifier 30w+30w High Power Audio Amplifier Module Subwoofer Board Kit Dual Channel Stereo Amplifier Specification: Model: XH-A232 Power amplifier type: Class D Input voltage: DC8-26V DC Input current: above 3A Number of channels: double channels Max: 30 w + 30 w Output impedance: 4-8 ohms SNR: 100dB Size: 53 x 45 x 14MM/2.1X1.8X0.6in Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. [...]
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Aubess ESP32 Development Board WiFi+Bluetooth-compatible Ultra-Low Power Consumption Dual Core ESP-32 ESP-32S ESP 32 Similar
Description: ESP32-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for low-power sensor networks and demanding tasks, such as voice coding, audio streaming, and MP3 Decoding etc. The core of this module is the ESP32-D0WDQ6 chip x , which is scalable and adaptive. The two CPU cores can be controlled separately. clock The frequency adjustment range is from 80 MHz to 240 MHz. The user can cut off the power of the CPU and use the low-power co-processor to continuously monitor the peripherals [...]
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Microphone Preamplifier Board Preamp AD828 Chip Stereo Preamp Power Amplifier Board Preamplifier Module
U.S. buyer attention: The areas where the US warehouse does not deliver goods are: Hawaii, Alaska, Puerto Rico, Guam and other US overseas territories. And the military address. Spanish buyers attention: if your address includes following postal code please do not choose the Spanish warehouse. The zip code starts with 35/38. Overseas warehouse cannot be delivered. Feature: Small size design, SMT process, input and output coupling capacitor using imported non-polar brand capacitors, op amp using fever-level AD828 chip. Specification: Working voltage: DC 5V-15V Board size: 33x25mm/1.30x0.98 Notice: The board has no voltage [...]
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HD Amplifier Board 100db Snr Mp3 Amplifier Module 30W+30W Overvoltage Protection DC8V-26V Digital Audio Power Amplifier Board
Feature: 1. Higher Overload Capacity: Digital power amplifier has higher overload capacity than analog power amplifier, it will not cause crossover distortion, transient intermodulation distortion, and you dont have to worry about the internal resistance of the speaker. 2. Protection Function: There are overvoltage protection, overcurrent protection, overheating protection, and short circuit protection functions. 3. Wide Output Voltage: Dual channel 30W+30W power output and wide input voltage range of DC8V-26V. 4. Good Sound Quality: Two-channel, high-definition digital audio power amplifier board. 5. Excellent Service: If [...]
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Mini HXJ8002 Audio Power Amplifier Board Module BTL Audio Amplifier Module 3W Mono Channel Voice Low Noise 2.0-5.5V for Speaker
Description: HXJ8002 is a single channel 3W, BTL bridge connected audio shear rate amplifier. It can work at 5V operating voltage, 3 loads, and provide an average output power of 3W with THD <106. HXJ8002 is specially designed to provide high-power, high-fidelity audio output. Extremely old external components simplify the circuit design, save circuit board space, reduce sub-production costs, and can work under low voltage conditions 2.0V- 5.5V. HXJ8002 does not need coupling capacitor, bootstrap capacitor or buffer network, so it is very suitable for low volume and low weight low power consumption system. Specifications: Product Parameters: 1. Onboard HXJ8002 [...]
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Mini XPT8871 Mono Stereo Lithium Battery Power Amplifier Board Sing Machine Module 3v 5v 5W Audio Output Input for tools
Mini XPT8871 Mono Stereo Lithium Battery Power Amplifier Board Sing Machine Module 3v 5v 5W Audio Output Input for tools Description: Product name: 5V sound single channel power amplifier board Product specifications: 20.7 x 17 x 10mm Power supply voltage: 5V, 1A Output power: 5W Note: This board needs to be welded, friends with tools, and friends with a certain amount of hands-on ability can play. Specifications: Note: This board needs to be welded, friends with tools, and friends with a certain amount of hands-on ability can play. Package Included: 1 x Amplifier Board Notes: Notes: -Due to the light [...]
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ESP8266 ESP-01S 5V WiFi Relay Module Things Smart Home Remote Control Switch For Arduino Phone APP ESP-01S Wireless WIFI Module
ESP8266 ESP-01S 5V WiFi Relay Module Things Smart Home Remote Control Switch For Arduino Phone APP ESP-01S Wireless WIFI Module Description: 100 Brand New and High Quality! This WIFI relay based on AI-Thinker ESP-01S WIFI module. It is designed for smart home, Internet of thing and other DIY project. With this smart relay, you will easy to DIY your smart switch to control any device by your phone anywhere. Specification: Product size: 37 x 25mm Operating voltage: DC5V Communication: WIFI ESP8266 module Transmission distance: the maximum transmission distance of 400m open environment, mobile phone equipped [...]
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Dual USB Output 9V 12V 24V to 5V 3A DC-DC Step Down Charger Power Module
Dual USB Output 9V 12V 24V to 5V 3A DC-DC Step Down Charger Power Module Buck Voltage 3A Car Charging Regulator Specification: Compatible mobile models: Android, for iPhone, for Huawei, for Xiaomi, for Nokia Input voltage range: 6-24V Output Voltage: 5.2V Considering the loss of charging line, output is 5.3-5.4V, load is 5.1-5.2V Output current: 3A stable output current is 2A without heat sink Size: 31 x 27 x 9mm/1.22 x 1.06 x 0.35 Warm Tips: 1. The input voltage should not exceed 24V, otherwise the chip will be damaged. 2. Input positive and [...]
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F5305S PMOS Pulse Trigger Switch Board FET MOS Field Effect Transistor Switch Module 3V 5V 12V 24V 36V to MCU IO port PLC
F5305S PMOS Pulse Trigger Switch Board FET MOS Field Effect Transistor Switch Module 3V 5V 12V 24V 36V Feature: 1. Field effect transistor switch module, input and output are completely isolated. 2. Signal trigger terminal: digital high and low level. Can be connected to MCU IO port, PLC interface, DC power supply, etc., 3. Input signal voltage: 3V~24V; current: about 5mA. 4. The output terminal can control high-power equipment, motors, bulbs, LED strips, DC motors, micro water pumps, solenoid valves, etc. 5. Output controlled voltage: 5V~36V. Current: less than 5A, more than 5A [...]
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4 Way Bi-Directional RCA Stereo Audio Switch 2 In 4 Out or 4 In 2 Out L/R Jack Sound Channel RCA Audio Switcher Selector
Features: brand new and high quality 4-Port R/L Stereo audio switcher: two-way switching splitter audio sharing active speakers The 4-channel switch knob, completely isolates independent circuits, ensuring that each signal is not affected by the other three channels. Plug and play; no external power supply required; no impact on sound quality 2 in 4 out/ 4 in 2 out bi-directional switch, each output volume is independently controlled. Share a single stereo source, no audio crackle- minimal distortion at highest volumes. No loss of signal when all four ports connected. Specifications: Model: GV- AC004A Item: 4 Way Bi-Directional RCA Stereo Audio [...]
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