TOSULY - Filament scale

DIY Filament scale integrated into filament holder
8h 32m
1× print file
0.16 mm
0.40 mm
64.00 g
Creality Ender 3
6
30
1
460
updated April 1, 2023

Description

PDF

https://github.com/KubiV/TOSULY-Filament-Scale 

3D printable parts for TOSULY - DIY Filament scale integrated into filament holder (2 custom PCBs)

Do It Yourself Filament Spool Scale which is integrated into the filament holder so you can easily monitor your remaining filament. By default it is not using batteries so you can hook it up straight to the printer/power suply. Optionaly you can add battery by soldering extension wires to prepared pads and than attach battery.

Features

  • Open-source
  • Custom PCB
  • OLED 0.96 inch display
  • Buttons (one under the display so it clicks when you push the display)
  • By double-clicking button subtract spool dry mass
  • Powered by Arduino Nano
  • Compatible with stock Ender 3 spool holder, Prusa Original frame

Needed:

  • 4x M3 screws (15mm for mounting PCBs)
  • 2x M3 nuts (rectangle PCB mounting)
  • 4x M4 screws (approx. 10 mm, and 2 with flat head)
  • Custom PCB
  • 7x1 horizontal pin header 2.54 mm pitch
  • Arduino Nano
  • USB cable (according on Arduino Nano variant)
  • A DC-DC step-down converter and USB port for connecting the USB cable
  • Load Cell 5 kg
  • HX711 AD Module Weight Sensor
  • 0.96 Inch OLED Module I2C
  • 3x buttons 6 mm
  • 3 resistor axial
  • 3D printed parts
    • Upper
    • Body
    • Nut
    • Cover

Load cell

Compatible with both load cell designs - 12.7 x 12.7 x 75mm (type 1) or 12.7 x 12.7 x 80mm (type 2), holes for M4 bolts and two holes for M5 holes (type 2).

3D Printable parts

Mounting screw has 24 mm i diameter with according thread.

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