Make a connected barometer shield for Arduino Uno – using an ESP8266
Prologue I’ve never really considered connecting my projects to WiFi since the price of the shields was so high. The HUZZAH from Adafruit will set you back $39.95. Sparkfun sells this shield for $84.95. Way to expensive. So you might imagine my excitement when I first heard about the ESP8266 through hackaday. A WiFi module…