The ESP8266 WiFi module is the latest, made interesting because it pretty much doesn’t exist outside China. Why is it cool?

When we first heard about it a few weeks ago, we knew the ESP8266 UART to WiFi module was a special beast. It was cheap, gave every microcontroller the ability to connect to a WiFi network, and ...

The data is displayed on an OLED display mounted to a PCB. Besides this the button present on the watch can control another ESP8266 Relay module directly through an IoT cloud service called Blynk.” ...