DesktopPowerSupply
michalgluszak·DesktopPowerSupply
About the DesktopPowerSupply PCB
DesktopPowerSupply is an open source PCB design by michalgluszak, published on GitHub. It is a 2-layer board measuring 55 × 36 mm, with 12 components from 12 distinct parts.
Other key parts include the Mini Digital Voltometer and LM317_TO-220. By type, the board carries 2 ICs, 2 connectors, 2 diodes, 2 capacitors, 2 resistors and 1 switch.
It belongs with the displays & leds and test & measurement designs in this gallery.
From the project
The Desktop Power Supply is a compact workshop power supply based on the popular and reliable LM317 linear voltage regulator.
The Desktop Power Supply is a compact workshop power supply based on the popular and reliable LM317 linear voltage regulator.
This project was created to provide a simple, cheap, and convenient power source with adjustable voltage, perfect for breadboard prototyping and testing small electronic circuits. The whole device was designed to take up as little space on the desk as possible, while offering everything necessary for the daily work of a hobbyist and engineer.

Main components on the DesktopPowerSupply
DesktopPowerSupply bill of materials (BOM)
12 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Mini Digital Voltometer | Mini_digital_voltmeter_with_hole | U1 |
| 1 | LM317_TO-220 | TO-220-3_Vertical | U2 |
| 1 | Barrel_Jack | GCT_DCJ200-10-A-XX-K_REVA | J1 |
| 1 | Conn_02x04_Odd_Even | PinHeader_2x04_P2.54mm_Vertical | J2 |
| 1 | 2000R | Potencjometr_WH148_3D | RV1 |
| 1 | TL2285EE | TL2285EE | S1 |
| 1 | LED | LED_D3.0mm | D1 |
| 1 | 1N4007 | D_SMA_Handsoldering | D2 |
| 1 | 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | 1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3 |
| 1 | 240R | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | 2200 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
DesktopPowerSupply design files
The KiCad project lives in the michalgluszak/DesktopPowerSupply repository on GitHub; these links point at the commit this page was built from.
- LayoutDesktopPowerSupply.kicad_pcb
- SchematicDesktopPowerSupply.kicad_sch
DesktopPowerSupply: common questions
How big is the DesktopPowerSupply PCB?
The DesktopPowerSupply measures 55 × 36 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the DesktopPowerSupply?
12 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the DesktopPowerSupply design files?
From the michalgluszak/DesktopPowerSupply repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the DesktopPowerSupply design in my own project?
The repository has no license, so all rights stay with michalgluszak. Use it as a reference, and ask the author before reusing the design.
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