Preview G-Code projected to live camera feed

Software / Firmware General

flexbex42 (Flexbex) December 18, 2025, 8:25am 7

Hey maybe interesting to merge these both ideas.

Touchdisplay and Webcam Development

A while ago, I started a discussion about using an Android phone as a touch display. I eventually abandoned that idea after running into issues with the OTG webcam driver on Android. I’m now using a Raspberry Pi Zero 2 with a 640×480 Waveshare touchscreen attached, and I wrote a small GUI for it. The Raspberry Pi is connected to a USB hub, which connects both the webcam and the MCU. Since I’m using USB for communication, I need fewer pins on the MCU. Because of this, I decided to use an ESP32 i…

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