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In this tutorial we will be designing our own touch-capacitive Piano with Arduino Nano and include a ... The 18650 battery cell is linked to the 18650 battery charger module, ... // The common ‘send’ ...

The Grove 12 button Capacitive Touch Keypad is built around the ATtiny1616, an AVR® 8-bit processor running at up to 16 MHz. ATtiny1616 is a low-power, high-performance chip integrated QTouch® ...