Bread board power supply
About the Bread board power supply
Bread board power supply is an open source PCB design by stephen-j8, published on GitHub under the MIT license. It is a 2-layer board measuring 32.3 × 53.6 mm, with 17 components from 13 distinct parts.
Other key parts include the LM7805_TO220 and LM317_TO-220. By type, the board carries 7 connectors, 3 capacitors, 3 resistors, 2 ICs, 1 switch and 1 diode.
It belongs with the power & battery and dev boards & breakouts designs in this gallery.
From the project
Dual-rail ±12V breadboard power supply PCB — LM7812/LM7912 linear regulators, designed in KiCad. Second fabricated project.
Main components on the Bread board power supply
Bread board power supply bill of materials (BOM)
17 components, 13 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM7805_TO220 | TO-220-3_Vertical | U1 |
| 1 | LM317_TO-220 | TO-220-3_Vertical | U2 |
| 2 | CONN_01X02_PIN Conn_01x02_Pin | PinHeader_1x02_P2.54mm_Vertical | J1, J2 |
| 2 | CONN_01X03_PIN Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J3, J4 |
| 2 | SCREW_TERMINAL_01X02 Screw_Terminal_01x02 | TerminalBlock_MaiXu_MX126-5.0-02P_1x02_P5.00mm | J5, J7 |
| 1 | Barrel_Jack_Switch | BarrelJack_Horizontal | J6 |
| 1 | EG1218 E-Switch | Switch_Slide_11.6x4mm_EG1218 | S1 |
| 1 | LED | LED_D5.0mm | D1 |
| 1 | 10UF 10uF | C_Disc_D3.0mm_W1.6mm_P2.50mm | C1 |
| 1 | 0.1UF 0.1uF | C_Disc_D3.0mm_W1.6mm_P2.50mm | C2 |
| 1 | 1UF 1uF | C_Disc_D3.0mm_W1.6mm_P2.50mm | C3 |
| 2 | 330 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2 |
| 1 | 560 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R3 |
Bread board power supply design files
The KiCad project lives in the stephen-j8/bread-board-power-supply repository on GitHub; these links point at the commit this page was built from.
Bread board power supply: common questions
How big is the Bread board power supply?
The Bread board power supply measures 32.3 × 53.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Bread board power supply?
17 components, from 13 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 Bread board power supply design files?
From the stephen-j8/bread-board-power-supply 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 Bread board power supply design in my own project?
Yes, under the terms of its MIT license, which stephen-j8 chose for the repository.
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