#----------------------------------------------------------
# CHANGING THE MOTOR SPEED
# ========================
#
# In this project a brushed DC motor is connected to the
# Pico.Additionally, a potentiometer is conencted to channel
# 0 of the ADC.Varying the potentiometer changes the motor speed
#
# Author: Dogan Ibrahim
# File : Motor.py
# Date : February 2021
#------------------------------------------------------------
from machine import Pin, PWM, ADC

Pot = ADC(0) # Pot at channel 0
Motor = Pin(17, Pin.OUT) # Motor at GP17

ch = PWM(Pin(17)) # PWM at GP17
ch.freq(1000) # Frequency = 1000Hz

while True: # Do forever
    duty = Pot.read_u16() # Read pot data
    ch.duty_u16(duty) # Change duty cycle