Day 8: Potentiometer, Serial Monitor, and Dimming an LED 11 April 2026·1534 words·8 mins Arduino Arduino Beginner Kids Analog Potentiometer Serial Pwm Map Day 8 of Learn Coding with Arduino — your first analog input. Read a potentiometer knob, print values to the Serial Monitor, and use PWM to dim an LED.
Day 13: DC Motor, Transistor, and Speed Control 11 April 2026·1403 words·7 mins Arduino Arduino Beginner Kids Dc-Motor Transistor Pwm Speed-Control Day 13 of Learn Coding with Arduino — drive a DC motor through a transistor and control its speed with PWM. Meet the diode and why the Uno needs help.