PWR
About the PWR PCB
PWR is an open source PCB design by macmade, published on GitHub under the CERN-OHL-1.2 license. It is a 2-layer board measuring 74 × 72 mm, with 17 components from 15 distinct parts.
By type, the board carries 5 diodes, 4 capacitors, 3 resistors, 2 connectors, 1 battery holder and 1 switch.
It belongs with the power & battery and dev boards & breakouts designs in this gallery.
From the project
+5 Volt power supply for breadboards using a DC wall adapter or battery.
+5 volt power supply for breadboards using a 12 volt DC wall adapter or a 9 volt battery.
Schemas and PCB layouts are created with KiCad: http://www.kicad-pcb.org
This project requires the XS-Labs KiCad Library to be installed in KiCad.
[PJ-102AH]: https://www.mouser.ch/ProductDetail/490-PJ-102AH [1291]: https://www.mouser.ch/ProductDetail/534-1291 [1N4001G]: https://www.mouser.ch/ProductDetail/863-1N4001G [LM7805CT/NOPB]: https://www.mouser.ch/ProductDetail/926-LM7805CT-NOPB [MAL214250101E3]: https://www.mouser.ch/ProductDetail/594-MAL214250101E3 [MAL214258109E3]…
PWR bill of materials (BOM)
17 components, 15 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | +12v | Plug-DC-Barrel-Jack-2.1mm-CUI-PJ-102AH | J1 |
| 1 | ~ | Connector-Wurth-Terminal-Block-2P-3.5mm-691214110002 | J2 |
| 1 | +9v | Battery-Keystone-1291-9v-Holder | BT1 |
| 1 | SPDT | Switch-SPDT-NKK-Series-M | SW1 |
| 1 | LM7805 | Regulator-Failrchild-LM78XX-TO-220 | VR1 |
| 2 | 1N4001 | Diode-DO-41 | D1, D2 |
| 1 | ADAPTER | LED-T1-34-5mm-tabs | D3 |
| 1 | BATTERY | LED-T1-34-5mm-tabs | D4 |
| 1 | STANDBY | LED-T1-34-5mm-tabs | D5 |
| 1 | 100uf | Capacitor-Vishay-142-RHS-6.3x11x2.5mm | C1 |
| 1 | 0.33uf | Capacitor-Murata-RCE-K-5mm.step | C2 |
| 1 | 0.1uf | Capacitor-Murata-RCE-K-5mm.step | C3 |
| 1 | 10uf | Capacitor-Vishay-142-RHS-5x11x2mm | C4 |
| 2 | 390 | Resistor-Vishay-CCF07 | R1, R2 |
| 1 | 1K | Resistor-Vishay-CCF07 | R3 |
PWR design files
The KiCad project lives in the macmade/PWR repository on GitHub; these links point at the commit this page was built from.
- LayoutPWR/PWR.kicad_pcb
- SchematicPWR/PWR.kicad_sch
PWR: common questions
How big is the PWR PCB?
The PWR measures 74 × 72 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the PWR?
17 components, from 15 distinct parts. The full bill of materials is listed on this page.
Where can I download the PWR design files?
From the macmade/PWR repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the PWR design in my own project?
Yes, under the terms of its CERN-OHL-1.2 license, which macmade chose for the repository.
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