#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 ...

The Arduino Monitoring and Control System is a simple Arduino-based program designed to read analog sensor values, control digital outputs, and display information on an I2C LCD display. The system ...

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 ...

Arduino GIGA R1 WiFi board brings the STM32H7 dual-core Cortex-M7/M4 microcontroller found in the Portenta H7 boards to the larger Arduino Mega/Due form factor with up to 76 GPIO pins. As its name ...

[Andrew] wonders why the SerialUSB() function on the Cortex M3-based Arduino Due is so much faster than Serial() on the Uno or Nano, and shares his observations in this short video. He sets up an ...

Arduino hobbyists, developers and programmers that would like to be able to remove the need to use cables to access their Arduino projects, might be interested in a new wireless programmer ...

It is very easy to build an “SMS-controlled relay” with the help of a cheap GSM modem module and a small microcontroller board. Here, I’m using the SIM800L and Arduino Nano V3 to develop a nifty ...