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4g Interface Digital GPIO Category optical light imaging photon sensors Wiring & usage notes
You get BLE features
It supports AT command control
The Infrared Receiver is used to receive infrared signals and also used for remote control detection
PAM8403 Audio Amplifier 3W+3W Stereo - w/ Volume Control eccentric 4g Interface Digital GPIO CategoryTiny Stereo Amplifier with Volume Knob PAM8403 The PAM8403 Audio Amplifier with Volume Control is one of the smallest and most popular stereo amplifier boards for maker projects. It outputs 23W of clean audio from a 5V USB supply, making it perfect for battery powered Bluetooth speakers, Raspberry Pi audio, desktop gadgets, and portable sound systems. Why you'll love it 5V powered: Runs from USB, power banks, or 3AA batteries Built in volume pot:
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