Day 11: (Wed Sep 30, Week 6) Hobby Servos and Photointerrupters

Notes for 2026-09-30.

New Assignments

New assignment, due Wed Oct 7: Exercise: Autonomous Toy. Please have the device ready to demo in class and submit documentation to Assignment 6 Shared Folder.

Please note this is the last deadline before Fall Break, so there can be no extensions.

I’m still working on a new reference design, but the closest I have right now is from 2019 Demo 2.

Agenda

1. Review results of Exercise: Pico Music. Please remember to submit documentation to Assignment 5 Shared Folder.

2. Discuss next assignment.

3. Revisit photo-interrupters.

   • Sensor Circuits

   • Pico Servo with Photointerrupter (circuit example)

4. Specific parts

   • Lab Part 1896 (small servo)

   • Lab Part 0237 (photoreflective)

   • Lab Part 0350 (lever)

   • Lab Part 0272 (ball tilt)

   • Lab Part 0355 (pushbutton)

5. Individual consultation.