Description
This is the ESPea Relay Shield, an add-on board that allows your ESPea to control higher voltage and current loads through a relays. This shield provides great support of ESPea projects that require high power consumption or distribution. You can add maximum 4 stacks of Relay shields by a jumper.
Pinouts
You can cut orginal jumper for D1, wire other pin to relay.
| ESPea | Shield |
| D1 (Default) | Relay Pin |
| D2 | Not connected, can wire to Relay by jumper |
| D4 | Not connected, can wire to Relay by jumper |
| D5 | Not connected, can wire to Relay by jumper |
| 5V | 5V |
| 3V3 | 3V3 |
| GND | GND |
See the photo for jumpers
LED Status
The LED will turn on when relay connected
Note
5V power supply is needed by relay.