hey guys i have a project about IC PT2256, thats IC was Audio volume digital potentiometer. the IC dont have I2C connection but only need 2 button that bridge them to groung. I wondering can control the IC with NodeMCU, so what must i do? making virtual ground or virtual button if make virtual bu…

Can NPN replace Relay Module

Hisbullaha May 10, 2018, 9:47pm 3

ramine:
I think I2C Digipot would be great

but i dont know how to code the i2c