Relay board
About the Relay board
Relay board is an open source PCB design by marvec, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 149.9 × 89.5 mm, with 62 components from 11 distinct parts.
Other key parts include the OPTO-TRANSISTOR4 and PCF8574. By type, the board carries 19 resistors, 16 diodes, 9 ICs, 8 transistors, 8 relays and 1 connector.
From the project
Circuit boards
relay-board - I2C based relay board that can control 8 AC outputs (250V 10A)
Main components on the Relay board
Relay board bill of materials (BOM)
62 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 8 | OPTO-TRANSISTOR4 | DIP-4__300_ELL | IC1, IC2, IC3, IC4, IC5, IC6, IC7, IC8 |
| 1 | PCF8574 | DIP-16__300_ELL | U1 |
| 8 | BS107 | TO92PN | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 |
| 1 | CONN_02X03 | pin_array_3x2-large-pads | P3 |
| 8 | RELAY_JS5N-K | JS-K-Case | K1, K2, K3, K4, K5, K6, K7, K8 |
| 8 | LED | LED-3MM-Large-pads | D1, D2, D3, D4, D5, D6, D7, D8 |
| 8 | 1N4148 | D3 | D9, D10, D11, D12, D13, D14, D15, D16 |
| 1 | 10uF | CP | C1 |
| 3 | 10k | R3-LARGE_PADS | R1, R2, R3 |
| 8 | 1k | R3-LARGE_PADS | R4, R5, R6, R7, R8, R9, R10, R11 |
| 8 | 100k | R3-LARGE_PADS | R12, R13, R14, R15, R16, R17, R18, R19 |
Relay board design files
The KiCad project lives in the marvec/pcb repository on GitHub; these links point at the commit this page was built from.
Relay board: common questions
How big is the Relay board?
The Relay board measures 149.9 × 89.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Relay board?
62 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the Relay board design files?
From the marvec/pcb repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Relay board design in my own project?
Yes, under the terms of its Apache-2.0 license, which marvec chose for the repository.
