KiCraft
laforestlabs
KiCad PCB automation toolkit — placement, routing, scoring, and experiment management
Components (10)
| Reference | Value | Description |
|---|---|---|
| U1-U4 | PC817C | LCSC: C20612594, DIP-4 optocoupler |
| U5 | ULN2003ADR | LCSC: C7512, TI SOIC-16 Darlington array |
| C1 | 10uF | 10uF/25V X5R 0805, typical bulk decoupling |
| C2 | 100nF | 0805 X7R decoupling cap near ULN2003 |
| D1 | SS34 | LCSC: C8678 |
| J1 | 5.08mm 2P | LCSC: C8404 alternative; typical 5.08mm 2-pin screw terminal |
| J2 | 1x05 Header | Standard 2.54mm pin header, 5-pin: GND_ISO, IN1-4 |
| J3 | 5.08mm 12P | LCSC: C5280892, 12-position 5.08mm screw terminal |
| K1-K4 | SRD-05VDC-SL-C | LCSC: C35449, SPDT 5V coil relay |
| R1-R4 | 10k | 0805 5% resistor, pull-up for optocoupler output |