Explore pulse width modulation (PWM) programming for the ATmega328p microcontroller using the Pololu 3pi robot in this 20-minute tutorial video. Learn about PWM registers, data sheets, match registers, and timer control registers. Discover how to implement pulse width modulation, control pulse polarity and speed, adjust motor speed, and achieve differential steering. Gain practical insights through a hands-on demonstration and deepen your understanding of PWM applications in robotics.