WiFi ESP8266 MQTT Relay: Single Channel
This repo contains the production compiled firmware, bootloader and schematic for the single-channel Wifi relay sold via the OpenEnergyMonitor shop.
User Guide Docs
Unfortnatly the source code and CAD design is not available for this unit. However the unit is very similar to the open-source Three Channel MQTT Relay that we have adapted to work in single channel mode.