Build an IoT telegraph using QT Py ESP32 S2, analog feedback servos and CircuitPython! 3D print the case inspired by ship engine telegraphs and use capacitive touch to detect when the handle is touched. Use Adafruit IO to make a WiFi enabled two-way communication system.
Learn Guide
https://learn.adafruit.com/two-way-display-with-analog-feedback-servos/
Code on GitHub
https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/main/Two_Way_Servo_Telegraph/code.py
YouTube Video
https://youtu.be/97otDvsqC-M
3D Hangouts - IOT Telegraph, DIY Pi 400, Gibson Headstock Hanger and Flamingo
https://youtu.be/OC3338uwlw0
Qt Py ESP32 S2
https://www.adafruit.com/product/5325
M3 hardware Kit
https://www.adafruit.com/product/4685
Copper Tape with conductive adhesive
https://www.adafruit.com/product/1128
Analog Servo
https://www.adafruit.com/product/1404
| IOT-Telegraph.f3z | 4.0MB | |
| IOT-Telegraph.step | 2.8MB | |
| qtpy-holder.stl | 79.3KB | |
| twt-base.stl | 20.6KB | |
| twt-frame.stl | 96.8KB | |
| twt-front-plate.stl | 101.7KB | |
| twt-front-ring.stl | 93.3KB | |
| twt-handle.stl | 840.8KB | |
| twt-horn.stl | 99.6KB |
