Teknozip – Keen to keep a close eye on your 3D printing projects? A clever DIY project has emerged, offering real-time monitoring of your prints using an ESP32-S3 SuperMini and a 1.54" TFT SPI ST7789 screen. This innovative solution allows you to track crucial metrics, ensuring your creations come to life flawlessly.
The project, showcased by AdvertisingFormal746 on the ESP32 subreddit, provides a comprehensive overview of your print’s progress. The display can be configured to show a progress arc, temperature gauges, fan speed, layer count, and estimated time remaining. This provides all the essential information you need at a glance.

The project’s GitHub page details the capabilities further, making it an excellent resource for DIY enthusiasts looking to combine their love for ESP32 with their 3D printing hobby.
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For those eager to build their own 3D printer monitor, the GitHub page offers a complete hardware rundown, an assembly video, a setup guide, and all the necessary code. This makes the project accessible to both beginners and experienced makers.
Here’s a summary of the key features you can monitor:
| Feature | Description |
|---|---|
| Progress Arc | Visual representation of the print’s completion |
| Temperature Gauges | Real-time temperature monitoring of the extruder and bed |
| Fan Speed | Current speed of the cooling fan |
| Layer Count | Number of layers completed |
| Time Remaining | Estimated time until the print is finished |
This DIY project offers a fantastic way to stay informed about your 3D prints, allowing you to make adjustments as needed and ensure successful outcomes.