The Arduino Wire library is a core aspect of Arduino's integrated development environment, or IDE, and is a must-have if you're using sensors or extra microcontrollers in your project.

Solder a diode at the one end of the wire. Then cut another wire to make a handle and bend one end into a loop. The 16x2 LCD can also be interfaced with Arduino without using an I2C module. Connect ...

Normally driving an LCD requires seven connections to pins on the display, but by using a shift register, [Phillip Warner] at Arduino Playground was able to drive an LCD using only 3 wires. The met… ...