After your arduino will send you Configuration done!, you can start controlling your pins Sending high or HIGH will ask you to input a pin number that should be put on high. Writing low or LOW will ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

PinChangeInterrupt for a lot of pins Rising, Falling or Change detection for every pin separately Usable on a lot Arduino compatible boards Implementation is fast, compact and resource friendly ...

A 1kΩ resistor is put in between the Arduino digital pin 9 and MP3 module's RX to drop the voltage down from the Arduino’s 5V. Programming Arduino Nano for Decorative Christmas Tree Once we are ready ...

The official Arduino blog explains a little more about the features, tweaks and enhancements you can expect to enjoy once you have downloaded and installed the latest Arduino IDE 1.6.9 : ...

Joystick Module Pinout The Joystick module has a total of 5 pins. Two are for power, two are for X and Y potentiometers, and one is for the middle switch. The pinout of the module is as follows: VCC - ...

[Thor_x86], aka [Eric], built an Arduino sketch that does just that — and he threw in the ability to send (or receive) serial messages, too. This is a neat idea — kind of a simplified Bus Pirate.