from time import sleep import board import adafruit_ds3502 i2c = board.I2C() ds3502 = adafruit_ds3502.DS3502(i2c) # As this code runs, measure the voltage between ground and the RW (wiper) pin # with a multimeter. You should see the voltage change with each print statement. while True: ds3502.wiper = 127 print("Wiper value set to 127") sleep(5.0) ds3502.wiper = 0 print("Wiper value set to 0") sleep(5.0) ds3502.wiper = 63 print("Wiper value set to 63") sleep(5.0)