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 ...

Adafruit Gemma Attiny85 Powered Button Sized Arduino Programmable Board. 3:02 pm January 22, 2013 By Julian Horsey. ... The analog input pin allows for easy integration with various sensors. 4.

– War game (for 2-4 adults) Watch this video on YouTube . “If you have kids, you are likely facing the same issues as we did with the Lego sets you bought for them.

While you hopefully don't need one-button access to 911, a desk-mounted panic button is undoubtedly cool, and it makes for a great DIY Arduino project. You'll need a prepaid SIM card, an Arduino ...

The OONTZ uses a 3D printed case, a 16 button keypad, an Arduino Leonardo, a monochrome driver, and a few potentiometers. It's actually a pretty simple thing to build yourself provided you can the ...