The audio amplifier amplifies the low gain signal to a high amplitude signal which can drive a speaker. To power the circuit, we have a +12V battery pack with BMS. The 12V battery pack is connected to ...

Meet the Production-Ready Arduino Compatible HQ record and Playback Audio Module! With ease, you can record and playback up to eight sound bytes using your own voice, or PC.

The device uses a smart glove with five flex sensors, an Arduino microcontroller, a 16x2 LCD display, an SD card module, and a speaker to convert the gestures into audible speech. The project also ...