By using a protocol called Inter-Integrated Circuit (I2C), the Wire library greatly reduces the number of wires required to connect devices. The protocol is supported on all Arduino boards ...

After uploading the sketch, open the Arduino Serial Monitor (Tools > Serial Monitor). The sketch will automatically detect the I2C address of the connected LCD module and initialize it. You should see ...

Arduino 20x4 or 16x2 I2C LCD. Jump to bottom. Wotever edited this page Dec 17, 2018 · 2 revisions ... if the 22C scanner can't find the LCD check your wiring. Try using the alternative I2C LCD library ...

Posted in Arduino Hacks Tagged arduino, i2c, one wire, pigeon, PJON, protocol, sky rats ← MRRF: Launching An Adorable Printer For Fun 3D-Printed Case Turns Servo Into Quality Linear Actuator → ...