IOT Telegraph

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Adafruit

@Adafruit

You can build an IoT telegraph with analog feedback servos, QT Py ESP32 S2 and Circuit Python

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updated August 10, 2022

Description

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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

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