2 layers37.9 × 32.5 mm
Ground Loop Isolator 180
retrobuiltRyan/pixelvision_av1000_mkII
10in display monitor for HDMI and legacy analog video
9 parts55
2 layers45 × 54 mm
12 9 5 Linear Regulator PCBv2
retrobuiltRyan/pixelvision_av1000_mkII5510in display monitor for HDMI and legacy analog video
- Size
- 45 × 54 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 30
- Nets
- 10
- Pads
- 68
- Tracks, vias
- 56, 20
- Pours
- 14
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 17 May 2026
- Updated
- 30 Aug 2026
Overview
12 9 5 Linear Regulator PCBv2 is an open-source printed circuit board by retrobuiltRyan, from the retrobuiltRyan/pixelvision_av1000_mkII repository on GitHub. It is a 2-layer board of 45 × 54 mm with 30 parts on 10 nets, routed with 56 tracks and 20 vias.
It is built around the L7805. Its parts include 7 connectors, 6 capacitors, 4 diodes, 3 resistors and 3 ICs. It belongs with the power boards of this library.
Main components
1README
PCBs/Power Distribution/readme.mdPlace all three kicad files (.kicad_pcb, .kicad_sch, .kicad_pro) in a folder of the same name. Open the project file (.kicad_pro) with KiCad.
Handles input power distribution, power on/off switching, and power rerouting. Board includes two 5 V linear regulators and one adjustable buck converter.
Bill of Materials
| Reference | Value | Qty | DigiKey P/N |
|---|---|---|---|
| C1, C3, C5 | 0.22uF 50V CER | 3 | 445-2283-1-ND |
| C2, C4, C6 | 0.1uF 50V | 3 | 1276-1068-1-ND |
| D1 | DIODE STANDARD 50V 5A SMC | 1 | S5AC-FDICT-ND |
| J1, J2, J3, J4, J5, J6, J7 | Screw_Terminal_2_P3.50mm | 7 | 732-2747-ND |
| R3, R5, R6 | 330 | 3 | 311-330FRCT-ND |
| U2 | LM7809_TO220 | 1 | BA7809FP-E2CT-ND |
| U3 | L7805 | 1 | 497-7255-1-ND |
| U4 | Adj Buck Converter | 1 | AliExpress |
Parts
30| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | Screw_Terminal_2_P3.50mm | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | J1, J2, J3, J4, J5, J6, J7 |
| 3 | 0.1uF 50V | Capacitor_SMD:C_1206_3216Metric | C2, C4, C6 |
| 3 | 0.22uF 50V CER | Capacitor_SMD:C_1206_3216Metric | C1, C3, C5 |
| 3 | 330 | Resistor_SMD:R_1206_3216Metric | R3, R5, R6 |
| 3 | LED | LED_SMD:LED_1206_3216Metric | D2, D3, D4 |
| 3 | uC +5V | TestPoint:TestPoint_Pad_2.0x2.0mm | TP1, TP3, TP4 |
| 2 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2 |
| 1 | D | Diode_SMD:D_SMC_Handsoldering | D1 |
| 1 | L7805 | Package_TO_SOT_SMD:TO-252-2 | U3 |
| 1 | LM7809_TO220 | Package_TO_SOT_SMD:TO-252-2 | U2 |
| 1 | TestPoint | TestPoint:TestPoint_Pad_2.5x2.5mm | TP6 |
| 1 | ~ | Ryan Custom:MP1584 | U4 |
The 29 most common of 30 parts.
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Questions
How big is the 12 9 5 Linear Regulator PCBv2 PCB?
It measures 45 × 54 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 12 9 5 Linear Regulator PCBv2 use?
30 parts, built around the L7805. 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 12 9 5 Linear Regulator PCBv2 KiCad files?
From the retrobuiltRyan/pixelvision_av1000_mkII repository on GitHub, at the commit this page was made from: the board is PCBs/Power Distribution/12_9_5 Linear Regulator PCBv2.kicad_pcb and its schematic PCBs/Audio Passthrough/Ground Loop Isolator 180.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 12 9 5 Linear Regulator PCBv2 design in my own project?
Its repository states no licence, so its author keeps all rights: ask retrobuiltRyan before reusing the design.