Day 8: Potentiometer, Serial Monitor, and Dimming an LED
Day 8 of Learn Coding with Arduino — your first analog input. Read a potentiometer knob, print numbers to the Serial Monitor, and use PWM to dim an LED smoothly.
Pwm
Day 13: DC Motor, Transistor, and Speed Control
·1403 words·7 mins
Day 13 of Learn Coding with Arduino — drive a DC motor with a transistor and control its speed using PWM. Meet the diode and understand why Arduino can’t power motors directly.