How To Use Amazon Alexa To Control The LinkNode R4 ESP8266 4-Channel Relay Board | The Makers Workbench
Simulator - Elcano Project Wiki
DIY Home Automation With ESP8266 (Linknode R4) and Amazon Alexa : 11 Steps (with Pictures) - Instructables
Multi-purpose Room Lighting and Appliance Controller With Alexa Voice Control and Automatic Timer Functionality. Now With MQTT, Local OLED Display and Integrated Temp/humidity/pressure Measurements : 14 Steps (with Pictures) - Instructables
DIY Home Automation With ESP8266 (Linknode R4) and Amazon Alexa : 11 Steps (with Pictures) - Instructables