2 layers102 × 85 mm
Superflat
hackclub/OnBoard
💡 Join 1,000 teenagers and make your first PCB with a $100 grant!
94 parts915
2 layers100 × 80 mm
Relais
Bannkil/PCB_relay_socketPrinted circuit board for 8 PCB mounted Relay
- Size
- 100 × 80 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 94
- Nets
- 29
- Pads
- 342
- Tracks, vias
- 712, 48
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 28 Aug 2026
- Updated
- 29 Sep 2026
Overview
Relais is an open-source printed circuit board by Bannkil, from the Bannkil/PCB_relay_socket repository on GitHub. It is a 2-layer board of 100 × 80 mm with 94 parts on 29 nets, routed with 712 tracks and 48 vias.
Its parts include 8 switches, 8 crystals, 2 diodes, 1 resistor and 1 fuse.
Parts
94| Qty | Value | Footprint | References |
|---|---|---|---|
| 33 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP10, JP10, JP10, JP10, JP13, JP13, JP13, JP13, JP14, JP14, JP14, JP14, JP15, JP15, JP15, JP15 +17 |
| 16 | Jumper_2_Small_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1, JP1, JP1, JP1, JP2, JP2, JP2, JP2, JP3, JP3, JP3, JP3, JP12, JP12, JP12, JP12 |
| 16 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP4, JP4, JP4, JP4, JP6, JP6, JP6, JP6, JP7, JP7, JP7, JP7, JP11, JP11, JP11, JP11 |
| 8 | Conn_01x08 | User:ScrewTerminal_1x08_P2.54mm | X1, X2, X3, X4, X5, X6, X7, X8 |
| 8 | Relay_DPDT_Latching_2coil | Package_DIP:CERDIP-16_W7.62mm_SideBrazed | K1, K2, K3, K4, K5, K6, K7, K8 |
| 4 | MountingHole | User:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 3 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | XA, XB, XC |
| 2 | TestPoint | TestPoint:TestPoint_Loop_D3.50mm_Drill1.4mm_Beaded | 0V, 12V |
| 1 | D | Diode_THT:D_DO-41_SOD81_P5.08mm_Vertical_KathodeUp | D1 |
| 1 | LED | LED_THT:LED_D3.0mm | D2 |
| 1 | Polyfuse_Small | User:Fuse_Resetable | F1 |
| 1 | R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
Questions
How big is the Relais PCB?
It measures 100 × 80 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Relais use?
94 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 Relais KiCad files?
From the Bannkil/PCB_relay_socket repository on GitHub, at the commit this page was made from: the board is Relais.kicad_pcb and its schematic Relais.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Relais design in my own project?
Its repository states no licence, so its author keeps all rights: ask Bannkil before reusing the design.
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