

BreadBoard Power
Power supply board for solderless breadboards
- Size
- 10.5 × 74 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 23
- Nets
- 9
- Pads
- 62
- Tracks, vias
- 23, 6
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 31 Jul 2024
- Updated
- 22 Aug 2024
Overview
BreadBoard Power is an open-source printed circuit board by Qeteshpony, from the Qeteshpony/BreadBoard-Power repository on GitHub, published under the BSD-2-Clause licence. It is a 2-layer board of 10.5 × 74 mm with 23 parts on 9 nets, routed with 23 tracks and 6 vias.
It is built around the AMS1117-3.3. Its parts include 4 resistors, 3 connectors, 2 capacitors, 2 diodes and 1 IC. It belongs with the power boards of this library.
Main components
1README
README.mdBreadBoard-Power

A little tool to make prototyping on a solderless breadboard a little easier. Most cheap breadboard power supplies need a lot of space and dont offer modern connections. This one has a USB-C connector as input, is as slim as possible so it can be placed basically anywhere on the breadboard and it has a 1A 3.3V voltage regulator included that allows to put 3.3V on a rail.
The project includes all production files to get the SMT parts assembled by JLCPCB (not a sponsor) but I used hand-solder-footprints for the smaller parts so it should be quite easy to solder manually, too.
Parts
23| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 22u | Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A_Pad1.58x1.35mm_HandSolder | C1, C2 |
| 2 | 5k1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 1 | 1.2k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3 |
| 1 | 3.3V | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D2 |
| 1 | 5V | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1 |
| 1 | 680R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | LOGO | My_Footprints:qr_qete.sh-el_08 | G*** |
| 1 | LOGO | My_Footprints:CutieMark5mmInverted | G*** |
| 1 | Rail1 | Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_Vertical | J2 |
| 1 | Rail1_Sel | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP1 |
| 1 | Rail2 | Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_Vertical | J3 |
| 1 | Rail2_Sel | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP2 |
| 1 | USB_C | Connector_USB:USB_C_Receptacle_GCT_USB4125-xx-x_6P_TopMnt_Horizontal | J1 |
| 1 | VAL** | Panelization:mouse-bite-2x5mm-slot-onesided-v2 | mouse-bite-2mm-slot |
| 1 | VAL** | Panelization:mouse-bite-2x5mm-slot-onesided-no-edge | mouse-bite-2mm-slot |
The 18 most common of 23 parts.
Questions
How big is the BreadBoard Power PCB?
It measures 10.5 × 74 mm and has 2 copper layers, 1.6 mm thick.
What parts does the BreadBoard Power use?
23 parts, built around the AMS1117-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the BreadBoard Power KiCad files?
From the Qeteshpony/BreadBoard-Power repository on GitHub, at the commit this page was made from: the board is pcb/BreadBoard-Power.kicad_pcb and its schematic pcb/BreadBoard-Power.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BreadBoard Power design in my own project?
Its repository publishes it under the BSD-2-Clause licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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