
101020603 · Seeed Studio

This module is a bi-directional SPSD(single-pole, single-throw), normally open solid state relay(SSR). (Seeed SKU 101020603)
| Part number | 101020603 |
|---|---|
| Manufacturer | Seeed Studio |
| Category | Relays › Relay Modules |
| Pins | 4 |
Grove - Optocoupler Relay (M281) pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | SIG1 | bidirectional | Signal - see the module's silkscreen (digital, analog or UART) |
| 2 | SIG2 | bidirectional | Signal - see the module's silkscreen (digital, analog or UART) |
| 3 | VCC | power | |
| 4 | GND | ground |
Schematic symbol and footprint
Schematic symbol
Footprint: Grove HY2.0 4-pin through-hole, 2.0 mm pitch — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
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