Some videos of an assembled board...

A project log for ESP8266 DIN 8-Channel Wifi Relay Controller

8 channels of 10A 250V relays controlled over Wifi with an ESP8266 module at the core. Built in RS232-TTL level shifter for external devices

David OgilvyDavid Ogilvy 06/26/2015 at 10:570 Comments

Just sending simple 2 byte packets over a TCP socket for testing.

And just to see how many updates it can do over Wifi for kicks... Good thing these Omron relays are rated for millions of operations :)