ESP8266 Dual Channel Wifi Relay and Input Board

wifi_relay2
wifi_relay2wifi_relay1
The ESP8266 Wifi relay board is a great starter project for the IoT Internet of Things. Control DC or AC mains devices with the on-board 10A relay from anywhere in the world using your phone or mobile device. As well as a relay, this module also has an isolated optocoupler input for detecting a lo ...Read more
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The ESP8266 Wifi relay board is a great starter project for the IoT Internet of Things.

Control DC or AC mains devices with the on-board 10A relay from anywhere in the world using your phone or mobile device. As well as a relay, this module also has an isolated optocoupler input for detecting a logic-level signal. In around 10 minutes you can have a working board controlled from an IoT app such as Blynk. 

Note: These boards come un-programmed and firmware will need to be uploaded before first use using a USB-serial converter or similar device, plus programming software such as Arduino IDE. 

For beginners, you can find information on the internet here:

https://ucexperiment.wordpress.com/2016/12/18/yunshan-esp8266-250v-15a-acdc-network-wifi-relay-module/

Specifications:

Two channels: One output, one Input

DC Power supply: 6-28V, protected from over-voltage at 33V.

Relay contacts: SPDT, rated at 10A/250VAC, 12A/125VAC (GPIO4).

Optocoupler input: DC Logic level, protected from over-voltage at 33V (GPIO5).

Relay active, Input active and Wifi status LEDs on-board.

Anti-tracking slots on the rear for mains safety.

Size: 65 x 40 x 20mm.

 

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