Filament scale
About the Filament scale PCB
Filament scale is an open source PCB design by chof747, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 40.4 × 29.6 mm, with 18 components from 13 distinct parts.
Other key parts include the HX711. By type, the board carries 6 capacitors, 6 resistors, 3 connectors, 1 IC, 1 transistor and 1 inductor.
It belongs with the sensors designs in this gallery.
From the project
A small board for my samla-filament-scale-box
This is the electronics part of the filamentalist samla box which consists of:
- A header to read from a load cell - An HX711 ADC controller and circutry to read the load cell - A peripheral connector to connect to the led and the button on the outside of the box of the filamentalist station - An IDC header to connect to the central mcu unit
A board that bears the MCU and brain of the Filamentalist Box it has
Main components on the Filament scale
Filament scale bill of materials (BOM)
18 components, 13 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | HX711 | SOP-16_L10.0-W3.9-P1.27-LS6.0-BL | U1 |
| 1 | S9012 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | Q1 |
| 1 | Load Cell | CONN-TH_5P-P2.54_KF128-2.54-5P | J1 |
| 1 | MCU | HDR-TH_6P-P2.54-V-F-R2-C3-S2.54-4 | J2 |
| 1 | Peripherals | JST_XH_B5B-XH-A_1x05_P2.54mm_Vertical | J4 |
| 1 | 3.3uH | L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L1 |
| 4 | 0.1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3, C4 |
| 2 | 10uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5, C6 |
| 1 | 20k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 1 | 8k2 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2 |
| 2 | 100 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4 |
| 1 | 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5 |
| 1 | 560 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6 |
Filament scale design files
The KiCad project lives in the chof747/filament-scale-pcb repository on GitHub; these links point at the commit this page was built from.
Filament scale: common questions
How big is the Filament scale PCB?
The Filament scale measures 40.4 × 29.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Filament scale?
18 components, from 13 distinct parts. The full bill of materials is listed on this page.
Where can I download the Filament scale design files?
From the chof747/filament-scale-pcb repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Filament scale design in my own project?
Yes, under the terms of its CC0-1.0 license, which chof747 chose for the repository.
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