This polished DIY set of quiz show style buttons project combines gaming, electronics, and an Arduino chip into a detailed build that serves as a road map for more advanced projects.

If you’ve run out of I/O pins on a project and need a way to add user input you can find a slew of port expanders that work with various communications protocols like I2C and 1-Wire. But if y… ...

To ensure that the head unit buttons still work in conjunction with the steering wheel buttons, the Arduino would have to keep the pins as inputs until a steering wheel button was pushed, the pin ...

Nearly every home-built project we cover uses Arduino somewhere, and the open-source microcontroller system is now out of the beta stage, having reached the version 1.0 milestone.