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Lesson 59: Controlling a Servo with a Joystick

This tutorial covers controlling a servo with a joystick using the Raspberry Pi Pico W:

  • Wiring Setup: Connect joystick ground to pin 38, 3.3V to pin 36, VRX to GPIO 27, VRY to GPIO 26. Connect servo 5V to pin 40, ground to pin 38, control to GPIO 15.

  • Code Implementation: Import machine, time, math. Set up ADC for joystick and PWM for servo. Read and print joystick values.

  • Calibration and Control: Scale ADC values to -100 to +100. Calculate joystick angle. Map angle to PWM for servo.

  • Homework Assignment: Write code to control servo from joystick angle (0-180 degrees).

Video