TTP223B Touch Module 1 Channel Capacitive Touch Button
Capacitor - 470nF or 0.47uF or 474 / 50V
raspberry pi 4 model b 4gb (official)
LilyPad 328 Main Board ATmega328P ATmega328 16M
5V 1A Li-Battery Mini USB Charger Module Li-ion LED Charging Board TP4056