2 layers160 × 113 mm
2 layers80 × 22 mm
Relay module
KyGuy2002/ProjectDMX-PCBPCB designs for projectdmx.us modular prop controller
- Size
- 80 × 22 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 19
- Nets
- 16
- Pads
- 55
- Tracks, vias
- 88, 11
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 26 Apr 2026
- Updated
- 6 Jul 2026
Overview
Relay module is an open-source printed circuit board by KyGuy2002, from the KyGuy2002/ProjectDMX-PCB repository on GitHub. It is a 2-layer board of 80 × 22 mm with 19 parts on 16 nets, routed with 88 tracks and 11 vias.
It is built around the SRD-05VDC-SL-C. Its parts include 5 resistors, 4 capacitors, 3 transistors, 2 ICs and 2 diodes. It belongs with the home automation and IoT boards of this library.
Main components
1README
README.mdPCB designs for projectdmx.us modular prop controller
Parts
19| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3 |
| 2 | DIP762W60P254L460H450Q4N | Imported:PC817X2NSZ9F | Q2, Q3 |
| 1 | |||
| 1 | 100nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
| 1 | 10kΩ | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R6 |
| 1 | 1kΩ | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R3 |
| 1 | 220Ω | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R2 |
| 1 | 47kΩ | Imported:354047KFT | R1 |
| 1 | C | Imported:PHE840EB6100KB05R17 | C4 |
| 1 | M7 | Imported:S1M | D2 |
| 1 | M7 | Imported:1N4148W | D1 |
| 1 | R | Imported:FMP100JR-52-100R | R4 |
| 1 | SOT95P240X115-3N | Imported:S8050 | Q1 |
| 1 | SRD-05VDC-SL-C | Imported:G5LE_14_DC5 | K1 |
| 1 | ~ | ProjectDMX:Vert Terminal Block p3 | U2 |
| 1 | ~ | ProjectDMX:DMX Alt JST | U4 |
The 18 most common of 19 parts.
Questions
How big is the Relay module PCB?
It measures 80 × 22 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Relay module use?
19 parts, built around the SRD-05VDC-SL-C. 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 Relay module KiCad files?
From the KyGuy2002/ProjectDMX-PCB repository on GitHub, at the commit this page was made from: the board is relay-module/relay-module.kicad_pcb and its schematic amp-module/amp-module.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Relay module design in my own project?
Its repository states no licence, so its author keeps all rights: ask KyGuy2002 before reusing the design.
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