Introduction - If you have any usage issues, please Google them yourself
Arduino through the Bluetooth mobile terminal control three digital potentiometers x9c103, Inc feet to D4, D7, D10, (Control Series), U/D feet D3, D6, D9, (control direction), CS foot D2, (selection device), the program is set 30 steps, a total of 100 steps, in a total, if there are less weeks. Please teach.