The case is designed to be attached to the top right part of the Prusa i3 printer’s frame by using longer M3 bolts and nuts. A load cell is mounted to the case with two about 15mm M5 bolts and the arm is attached to the load cell with two 15mm M4 bolts.
- 5KG Scale Load Cell With HX711AD Adapter
- ATTINY85 Micro Usb Development Board For Arduino
- 128×32 I2C Blue OLED Display
- Optional: 3.7V to 5V Step Up Voltage Booster
Arduino code at Github: Filament spool scale