P3

Microcontrollers

The programmable chip that ties it all together: what a microcontroller is, GPIO pins (digital + analog + PWM), how to read inputs and drive outputs, and the ESP32 vs Arduino choices. The capstone of foundational electronics.

Start with the lessons

Open lesson 1 →

3lessons · take the checks once you're comfortable.

  1. 1.What a microcontroller is~12 min
  2. 2.GPIO: talking to the world~15 min
  3. 3.Choosing + using a microcontroller~14 min

Knowledge check

16 questions · ~10 min · pass 70%

Take the K-Check →

Practical check

1 checklist · upload evidence · manager sign-off

Take the P-Check →