[Alexander] also had a couple of spare relays which he used to control the two buttons on his designated ‘sacrifice’ remote — one relay per button.

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.” ...

The popularity of the ESP8266 WiFi module has a lot to do with its ability to inexpensively connect to the Internet. However, [hwhardsoft]’s stretch limousine environmental control system exp… ...