Digital caliper (Linear encoder) on STM32L4 自作デジタルノギス
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Updated
May 7, 2026 - C
Digital caliper (Linear encoder) on STM32L4 自作デジタルノギス
Arduino code to read data from a Chinese dial indicator or digital calipers.
Read digital calipers values with ESP32. No resistors, transistors or anything else needed, just 3 wires and you're done. Serving a webpage via WiFi. Showing data in serial terminal.
A component for integrating Chinese digital caliper with esphome/homeassistant
This is a fun little project for anyone who wants to mess around with digital calipers and microcontrollers. I built this using an ESP32 board I had lying around to read data from a cheap digital caliper and display the measurements on an OLED screen.
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