Matt Welsh has constructed a robotic Etch-a-Sketch that may be managed from anyplace by way of the web.
For the final 12 months, I’ve been engaged on a aspect challenge at dwelling which I name Escher. It’s a robotic Etch-a-Sketch that may be managed over the Web from anyplace on the earth. It’s made doable by the Adafruit Feather HUZZAH32 growth board, and Google Firebase to offer the management between the Etch-a-Sketch and an internet consumer.
Escher is managed by an Adafruit HUZZAH32 growth board, which options an ESP32 processor working at 240MHz, 520KB of SRAM, 4MB of flash, and built-in 802.11b/g/n and Bluetooth. It is a nice little growth board that’s absolutely supported by the Arduino programming atmosphere.
Escher makes use of two NEMA17 stepper motors to regulate the knobs of the Etch-a-Sketch. These are managed utilizing the Adafruit Motor FeatherWing board, making it straightforward to regulate every stepper motor both independently or collectively (as we’ll see within the software program part beneath).
It additionally sports activities a simple web interface that permits you to add pictures to attract, and even draw along with your finger immediately on the digital Etch-a-Sketch display screen, which is able to then get drawn on the true Etch-a-Sketch.
All of the information are on GitHub. You’ll be able to try the net interface at https://teamsidney.com/escher (requires an entry code to make use of)
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