While the Arduino MEGA does have more built-in GPIO pins (70 digital input/output pins, of which 14 can be used as PWM outputs and 16 can be used as analog inputs), it's pretty old tech now, and if ...

When building Arduino projects for beginners, you'll usually need both input and output sensors. However, you can come across some simple projects like the Blink example that only require an LED ...

Keyscan Launches IOCB1616 Input/Output Board. Nov. 23, 2005. ... Programmed through the System V software, single or multiple input devices such as motion sensors, push buttons, ...

There is a boring part of every computer introduction class that shows how a computer is made up of input, output, and processing. Maybe it wouldn’t be so boring if the input device was a nun… ...