GitHub

This code is written for Arduino and provides functions for configuring digital input and output pins.

The code defines some constants (HIGH, LOW, OUTPUT, and INPUT) and three functions that are used to configure the DDRx, PORTx, and PINx registers that control the digital pins on an Arduino board.
GitHub

Libaries, wiring, and example code for various inputs / outputs for Arduino and other microprocessors

When you need more inputs/outputs for your Arduino project, the response in some forums is "Use a MEGA" instead. While the Arduino MEGA does have more built-in GPIO pins (70 digital input/output pins, ...
CNX Software

ArduinoSimulator is an open-source Arduino Simulator that runs in your web browser

Leonardo Russo’s ArduinoSimulator is an open-source Arduino Simulator written in JavaScript that runs code directly in your web browser and shows the serial output and digital/analog pins status for ...
Electronics Weekly

Not all Arduino inputs are equal – hunt the Schmidt trigger

I had cause to have a closer look at some Arduino inputs – it is that fascinating weather station again. It transpires that some Arduino inputs are better at tolerating slowly-changing inputs than ...
Geeky Gadgets

CANADUINO Arduino board with 52 analog and digital inputs

Electronic engineers, developers and hobbyists looking for a fully featured Arduino Mega compatible PLC may be interested in a new Indiegogo campaign launched today for a new development board ...