Main image remixed from Raspberry Pi 4 GPIO pinout diagram by [Les Pounder]. ... MLX90614 and grove GSR sensor through ADS1115 in separate i2c buses in raspberry pi 4.

– Raspberry Pi 4 GPIO pinout with through plated holes. – Wire sizes from 10AWG to 28AWG. – Circuit board trace widths from 10mils to 80mils, and .25MM to 2MM. – Ohm’s Law.