Breadboard power supply

Mithun-68·breadboard-power-supply-kicad·hardware/Breadboard Power Supply.kicad_pcb

Breadboard power supply PCB layout, top view — open source board by Mithun-68

About the Breadboard power supply PCB

Breadboard power supply is an open source PCB design by Mithun-68, published on GitHub. It is a 2-layer board measuring 30.5 × 53.1 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

A dual-rail (3.3V / 5V) breadboard power supply PCB designed in KiCad 10, complete with schematic, layout, and manufacturing Gerber files.

Breadboard power supply, from the project README — From the project README

Main components on the Breadboard power supply

LM7805_TO220 LM317_TO-220

Breadboard power supply bill of materials (BOM)

17 components, 13 distinct parts.

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	PinHeader_1x02_P2.54mm_Vertical	J1, J2
2	Conn_01x03_Pin	PinHeader_1x03_P2.54mm_Vertical	J3, J4
2	Screw_Terminal_01x02	TerminalBlock_bornier-2_P5.08mm	J5, J7
1	Barrel_Jack_Switch	BarrelJack_Horizontal	J6
1	EG1218	SW_1218_EWI	SW1
1	LED	LED_D5.0mm	D1
1	10u	C_Disc_D3.0mm_W1.6mm_P2.50mm	C1
1	0.1u	C_Disc_D3.0mm_W1.6mm_P2.50mm	C2
1	1u	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

Breadboard power supply design files

The KiCad project lives in the Mithun-68/breadboard-power-supply-kicad repository on GitHub; these links point at the commit this page was built from.

Layouthardware/Breadboard Power Supply.kicad_pcb
Schematichardware/Breadboard Power Supply.kicad_sch

Breadboard power supply: common questions

How big is the Breadboard power supply PCB?

The Breadboard power supply measures 30.5 × 53.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Breadboard power supply?

17 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the Breadboard power supply design files?

From the Mithun-68/breadboard-power-supply-kicad repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Breadboard power supply design in my own project?

The repository has no license, so all rights stay with Mithun-68. Use it as a reference, and ask the author before reusing the design.

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