Let your Arduino get enough sleep To enable 1hr Arduino sleep, the author leverages ESP8266's deep sleep. ESP8266's wake-up pin triggers Arduino INT0, which then resets ESP8266 for full activation. 2015-08-31 DIY Arduino Development Arduino ESP8266 Robo RC Built a Lego car robot with my son! It's controlled via Bluetooth from a phone, using Arduino, motor drivers, and Lego. Fun project for under $20. 2015-03-28 DIY Development Arduino Bluetooth Android
