

SwitchRelay
Simple PCB to add a bistable relay to a modelrailroad switch to polarize the point.
- Size
- 50 × 33 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 13
- Nets
- 10
- Pads
- 32
- Tracks, vias
- 46, 0
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 2 Sep 2019
- Updated
- 9 Sep 2019
Overview
SwitchRelay is an open-source printed circuit board by septillion-git, from the septillion-git/SwitchRelay repository on GitHub. It is a 2-layer board of 50 × 33 mm with 13 parts on 10 nets, routed with 46 tracks and 0 vias.
Its parts include 4 connectors, 2 resistors and 1 switch.
Parts
13| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_3mm | H1, H2, H3, H4 |
| 1 | AUX | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | J4 |
| 1 | Decoder | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | J1 |
| 1 | HFD2_xxx-x-L2 | septillion_relay:HFD2_xxx-x-L2 | K1 |
| 1 | Point | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | J3 |
| 1 | R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 1 | R | Resistor_SMD:R_0805_2012Metric | R2 |
| 1 | R-Enable | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1 |
| 1 | Switch | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | J2 |
The 12 most common of 13 parts.
Questions
How big is the SwitchRelay PCB?
It measures 50 × 33 mm and has 2 copper layers, 1.6 mm thick.
What parts does the SwitchRelay use?
13 parts. 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 SwitchRelay KiCad files?
From the septillion-git/SwitchRelay repository on GitHub, at the commit this page was made from: the board is SwitchRelay.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the SwitchRelay design in my own project?
Its repository states no licence, so its author keeps all rights: ask septillion-git before reusing the design.
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