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… ...

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.

The button states could easily be read by using an Arduino’s analog input. A Pro Mini model was chosen for its small size as it could be housed in the radio compartment of the dash.

– 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.