The Pico emulates a mouse, and moves every two seconds the cursor 2 pixels right or left, alternatively.
Visual feedback using the board LED, and a button between GRD and GP11 stops and starts the jiggle.
Adafruit CircuitPython 8.0.5 on 2023-03-31; Raspberry Pi Pico with rp2040
Board ID:raspberry_pi_pico
Micro-switch between GRD and GP11