Control an ESP8266 With Amazon Alexa!
Over the last year or so I have became captivated with anything and everything ESP8266 related, and rightfully so. This little WiFi module is everything I have been hoping for in a development board for years. It’s small and compact, and has built in WiFi, as well as several GPIO lines, and is Arduino IDE compatible making reading sensors and controlling things like relays and such very easy. In this review / overview I am going to take a look at the Linknode R4, a new offering from LinkSprite, a fairly young company that is dedicated to offering the public affordable DIY home automation solutions. Read more about How To Use Amazon Alexa To Control The LinkNode R4 ESP8266 4-Channel Relay Board