2.1 Channel Bluetooth Audio Power Amplifier Board 50W×2+100W with Treble and Bass Control for DIY Bluetooth Speaker Home Theater[Two Input Methods] It has two audio input methods: Bluetooth and 3.5mm AUX. Bluetooth 5.0 version, higher transmission efficiency, transmission distance up...

200W Bluetooth 5.0 Amplifier Board TPA3116D2 100W+100W Stereo Dual Channel Amp Board Audio Receiver for Home DIY Speakers[Hi-fi] Using TPA3116D2(with AM interference suppression function) chip, excellent sound quality. Ensure that the THD is less than 0.1%, even with long periods...

3Pack ESP32 ESP-WROOM-32 Development Board WiFi + Bluetooth CP2102 Dual Core 2.4Ghz Microcontroller Compatible with ArduinoThe main body of the module is ESP-WROOM-32 module, which is powerful and supports LWIP protocol, freertos. The peripheral adopts USB serial port chip CP2102...

AC 80-260V 100A LCD Digital Display Multi-Function Power Monitor Voltage Current Frequency Power Factor Energy Meter Ammeter Voltmeter with Split Core Current TransformerThe electric energy meter can simultaneously monitor and display voltage, current, active energy, electric energy, frequency and power...

Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board TPA3116D2 HiFi Treble and Bass Control Stereo Digital Audio Amp Board for Home Theater DIY Wireless SpeakersTPA3116D2 HIFI chip solution: stereo dual-channel output, 50W+50W+100W, to ensure continuous serial high-power operation, THD ?0.1%....

PWM Motor Speed Controller DC 7-70V 30A 12V 24V 36V 48V with 30 Amp FuseThe design of wide voltage 7-70V and high current 30A has a wide range of applications, and the switch on the board has the functions of...