ESP32 + 2.8 inch ILI9341 TFT batch counter for 3D printing. Shows how many parts are left in your print run; the count lives in Home Assistant so it survives power loss. ESPHome config, printable case (STL), fully documented in English and German.
iot arduino esp32 stl smart-home diy home-assistant octoprint homeassistant 3d-printing 3d-model spi-display ili9341 3d-printed-case enclosure tft-display klipper esphome esp32-display print-counter
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Updated
Jul 31, 2026