CHW-IP8-27G-EXP
About the CHW-IP8-27G-EXP PCB
CHW-IP8-27G-EXP is an open source PCB design by ChowderWellington, published on GitHub under the AGPL-3.0 license. It is a 2-layer board measuring 63.4 × 89 mm, with 51 components from 10 distinct parts.
From the project
An open source inktank color printer + nozzles!
[](https://github.com/ChowderWellington/CHW-IP8-27G-EXP/blob/main/assets/pcb.png)
(Chowder Hardware Works-Inkjet Printer 8 Nozzle-27 gauge precision nozzles-experimental)
Here are the .stp files (THEY NEED TO BE PRINTED SEPARATELY) because stardance doesn't like .stl's
If you would like to recreate what I have done, use these files, or check out the .stls below if you would prefer them
CHW-IP8-27G-EXP bill of materials (BOM)
51 components, 10 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 8 | R-US_0207/10 | 0207x10 | 1K1, 1K2, 1K3, 1K4, 1K5, 1K6, 1K7, 1K8 |
| 1 | 10uF | 10UF 100V | 10UF |
| 1 | 74HC595_ | 74HC595 | 74HC595 |
| 8 | 100K1 | 0207x10 | 100K1, 100K2, 100K3, 100K4, 100K5, 100K6, 100K7, 100K8 |
| 2 | 100NF | 0207x10 | 100NF, 100NF2 |
| 8 | 1N4007 (DO-41) | 1N4007_(DO-41) | DIODE1, DIODE2, DIODE3, DIODE4, DIODE5, DIODE6, DIODE7, DIODE8 |
| 1 | Polyfuse | POLYFUSE FOOTPRINT | FUSE1 |
| 8 | IRL540NPBF-VB | TO-220AB-3_L10.4-W4.6-P2.54-L | MOSFET1, MOSFET2, MOSFET3, MOSFET4, MOSFET5, MOSFET6, MOSFET7, MOSFET8 |
| 7 | Piezo+ | THROUGHHOLEPIN | PIEZO+1, PIEZO+2, PIEZO+3, PIEZO+4, PIEZO+5, PIEZO+6, PIEZO+7 |
| 7 | Piezo- | THROUGHHOLEPIN | PIEZO-1, PIEZO-2, PIEZO-3, PIEZO-4, PIEZO-5, PIEZO-6, PIEZO-7 |
CHW-IP8-27G-EXP design files
The KiCad project lives in the ChowderWellington/CHW-IP8-27G-EXP repository on GitHub; these links point at the commit this page was built from.
- Layoutpcb/PCBEasyEDA.kicad_pcb
- Schematicpcb/PCBEasyEDA.kicad_sch
- BOMpcb/BOM.csv
CHW-IP8-27G-EXP: common questions
How big is the CHW-IP8-27G-EXP PCB?
The CHW-IP8-27G-EXP measures 63.4 × 89 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the CHW-IP8-27G-EXP?
51 components, from 10 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the CHW-IP8-27G-EXP design files?
From the ChowderWellington/CHW-IP8-27G-EXP repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the CHW-IP8-27G-EXP design in my own project?
Yes, under the terms of its AGPL-3.0 license, which ChowderWellington chose for the repository.