SKU · PCB_SENSE

Spool Inspector

$37.00

Smart filament spool tracker with real-time weight monitoring, camera-based QR code detection, OLED display, and a built-in web dashboard. Track your filament usage across multiple spools with WiFi connectivity.

Pairs with 3DSpoolTracker.com

Manage filament inventory, track remaining weight, and flash firmware from the free companion web app.

Visit 3DSpoolTracker.com →

Features

  • Weigh filament spools in real time with a precision load cell
  • Automatically identify spools by scanning QR codes with the built-in camera
  • View weight, spool info, and status on the OLED display
  • Monitor remotely via the built-in WiFi web dashboard
  • Integrates with 3dspooltracker.com for multi-spool tracking and history

What's Included

  • (1) Spool lnspector Main PCB
  • (1) Spool lnspector Button PCB
  • (1) Pre-Programmed ESP32S Sense Module

Additional Information

This product contains the bare PCBs as well as a pre-programmed ESP32S Sense. You will need the OV5640 and everything else specified in the BOM. This kit just avoids having to flash the binary to the chip the first time. This chip will be plug and play and will get all future updates automatically over the air.

Only 3 left in stock

Tools you'll need

Consumables

  • ~450g for the full enclosure, scale, and accessories

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For detailed specs, firmware updates, and documentation visit 3dspooltracker.com

Use at your own risk. Items sold here are hobbyist DIY electronics intended for experienced makers. Installation may involve soldering, modifying your 3D printer, and working with low- or line-voltage power. You are responsible for proper assembly, safe wiring, and use. We are not liable for damage to your printer or other equipment, personal injury, or other losses arising from installation, use, or failure of these products. By purchasing, you agree to assume all risk.