2 layers149.9 × 99.1 mm
2 layers149.9 × 89.5 mm
Relay board
marvec/pcbCircuit boards
- Size
- 149.9 × 89.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 84
- Nets
- 73
- Pads
- 238
- Tracks, vias
- 539, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 7 Dec 2014
- Updated
- 13 May 2015
Overview
Relay board is an open-source printed circuit board by marvec, from the marvec/pcb repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 149.9 × 89.5 mm with 84 parts on 73 nets, routed with 539 tracks and 0 vias.
It is built around the PCF8574T. Its parts include 19 resistors, 16 diodes, 16 switches, 9 ICs and 8 transistors. It belongs with the home automation and IoT boards of this library.
Main components
1README
README.mdpcb
Circuit boards for KiCAD
relay-board - I2C based relay board that can control 8 AC outputs (250V 10A)
Parts
84| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100k | R3-LARGE_PADS | R12, R13, R14, R15, R16, R17, R18, R19 |
| 8 | 1N4148 | D3 | D9, D10, D11, D12, D13, D14, D15, D16 |
| 8 | 1k | R3-LARGE_PADS | R4, R5, R6, R7, R8, R9, R10, R11 |
| 8 | BS107 | TO92PN | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 |
| 8 | CONN_01X03 | AK300-3 | K9, K10, K11, K12, K13, K14, K15, K16 |
| 8 | LED | LED-3MM-Large-pads | D1, D2, D3, D4, D5, D6, D7, D8 |
| 8 | OPTO-TRANSISTOR4 | DIP-4__300_ELL | IC1, IC2, IC3, IC4, IC5, IC6, IC7, IC8 |
| 8 | RELAY_JS5N-K | JS-K-Case | K1, K2, K3, K4, K5, K6, K7, K8 |
| 8 | Val** | screw-pad | Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref** |
| 3 | 10k | R3-LARGE_PADS | R1, R2, R3 |
| 2 | CONN_01X02 | PINHEAD1-2-90 | P4, P5 |
| 2 | CONN_01X02 | PINHEAD1-2-UP | P6, P7 |
| 2 | CONN_01X04 | PINHEAD1-4-90 | P1, P2 |
| 1 | 10uF | CP | C1 |
| 1 | CONN_02X03 | pin_array_3x2-large-pads | P3 |
| 1 | PCF8574 | DIP-16__300_ELL | U1 |
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Questions
How big is the Relay board PCB?
It measures 149.9 × 89.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Relay board use?
84 parts, built around the PCF8574T. 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 board KiCad files?
From the marvec/pcb repository on GitHub, at the commit this page was made from: the board is relay-board/relay-board.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Relay board design in my own project?
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).