Input switch
About the Input switch PCB
Input switch is an open source PCB design by grahamseamans, published on GitHub. It is a 2-layer board measuring 57.3 × 17.6 mm, with 10 components from 7 distinct parts.
Other key parts include the MCP23008T-E/SS, TLP293-4(GB,E and ULN2003ADR. By type, the board carries 4 ICs, 4 resistors and 2 connectors.
Main components on the Input switch
Input switch bill of materials (BOM)
10 components, 7 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP23008T-E/SS MCP23008T-E_SS | SOP65P780X200-20N | IC1 |
| 2 | TLP293-4(GB,E TLP293-4_GB,E | SOIC127P700X220-16N | IC2, IC3 |
| 1 | ULN2003ADR | SOIC127P600X175-16N | IC4 |
| 1 | BHR-06-VUA | SHDR6W64P254_2X3_1522X880X920P | J1 |
| 1 | 22-23-2091 | HDRV9W82P0X254_1X9_2271X635X1066P | J2 |
| 3 | 4.7k | R_1206_3216Metric | R1, R2, R3 |
| 1 | 4816P-1-221LF | SOIC127P762X240-16N | RN1 |
Input switch design files
The KiCad project lives in the grahamseamans/relay_volume repository on GitHub; these links point at the commit this page was built from.
Input switch: common questions
How big is the Input switch PCB?
The Input switch measures 57.3 × 17.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Input switch?
10 components, from 7 distinct parts. The full bill of materials is listed on this page.
Where can I download the Input switch design files?
From the grahamseamans/relay_volume repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Input switch design in my own project?
The repository has no license, so all rights stay with grahamseamans. Use it as a reference, and ask the author before reusing the design.
