#define ifpin(p,what,ifnot) (((p) >= 0 && (p) < NUM_DIGITAL_PINS) ? (what) : (ifnot)) #define digitalPinHasPWM(p) ifpin(p,pgm_read_byte(digital_pin_to_timer_PGM + (p ...

There are easy ways of getting more I/O pins for any project; shift registers, I2C expanders, or ADCs will give you plenty of pins for whatever project you have in mind. All these require extra ...

This is a tool that allows you to control your Arduino pins with your serial-console. Typing in read or READ will ask you for a pin number and then will return the current state of this pin. Writing ...

Arduino enthusiasts that are looking for a smaller Arduino Zero board for their next project may be interested in a new piece of hardware called the TAU that has been developed by Rabid Prototypes and ...

Having had such quick success making a microcontroller project using an 8pin ATtiny85 and programming it with Arduino, I though I would try a more elaborate project, one that has been on the back ...

The Arduino Uno is the old standby of the Arduino world, with the Arduino Due picking up where the Mega left off. The Arduino Tre is a pretty cool piece of kit combining a Linux system with the ...

Arduino makers, developers and hobbyists that have been searching for a development board that is smaller than the Arduino Zero, are sure to be interested in the Neutrino that has been created by ...

In the 2014 July/August issue of Elektor we wrote about our Arduino Extension Shield that, in particular for the Arduino Uno, provided additional interface options, LEDs, pushbuttons and an LCD. The ...