The circuit diagram of this system represents the interconnection between the ESP32-CAM, OLED display, and rotary encoder.
Based on an ESP32 (using the Arduino stack) and SDCard for control, and a LiPo cell charged wirelessly, the build is rather tidy. A couple of hall effect switches are mounted at the start of each of ...
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This open-source app changed how I approach ESP32 projects
Write and test first, then buy the hardware you need.
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