Bluetooth audio receiver module lossless car speaker amplifier modified wireless Bluetooth 4.1 circuit board Hook up Wire (red) - 5 meters the analog input accepts maximum

the analog input accepts maximum 3

74HC04 Hex Inverter IC

8 mm Recognition Speed < 0

ultrasonic (HC-SR04)

Bluetooth audio receiver module lossless car speaker amplifier modified wireless Bluetooth 4.1 circuit board Hook up Wire (red) - 5 meters the analog input accepts maximumBluetooth audio receiver module lossless car speaker amplifier modified wireless Bluetooth 4. 1 circuit boardBluetooth Stereo Audio Receiver Module, 3V 5V for Amplifiers Sound Recorder and Sound Circuit Electronic Hobby Kit. This is a Bluetooth audio receiver module, transmitting MP3 and other common audio formats' audio signals. It's simple to set up and use, and once connected to another Bluetooth system such as your phone or laptop, it can receive