Robotics · Microcontrollers: ATmega328P & Arduino
PWM Basics
Control how long a digital output stays on during each rapid pulse cycle by changing its duty cycle.
2 min micro-lessonLesson focus
PWM BasicsDescribe the key ideas behind “PWM Basics” and apply them to a familiar technology scenario.
Video resources will be added as each NEST lesson is published.Learning objective
What you will understand
Describe the key ideas behind “PWM Basics” and apply them to a familiar technology scenario.
Key ideas
- Pulse width
- Duty cycle
- Load response
Try it
Compare LED brightness at 25%, 50%, and 90% duty cycles.
Quick recap
Control how long a digital output stays on during each rapid pulse cycle by changing its duty cycle.