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Beginner Course
2 lessons21 min total

Analog input & PWM

Read knobs and sensors with the ADC, and fake an analog output with pulse-width modulation.

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Course Syllabus

1

Reading analog values

Potentiometers, voltage dividers and the 10-bit ADC.

Simulation11 min
2

PWM: fading an LED

How quickly switching a pin on and off looks like a dimmer.

Simulation10 min