One port to role them all.

This is an example problem to illustrate the function of a PID controller. You will learn the basics to control the speed of a DC motor.

This is a very simple way to control a 3-phase AC installation in a delta configuration.

But why?

Step by step on how to program a ATtiny85 microcontroller with Arduino Uno development board.

Make your hardware push data to a Google spreadsheet.

Regulated smart constant current charger for 9V NiMH rechargeable batteries.

Arduino's great, but how in the world do you do two (or more) things at once on separate intervals? You need protothreading!

Clock LCD display adjustable.

Program your Arduino with an Android device over Bluetooth HC05.

Logic Analyzer, for Arduino, other AVR and STM32 with a very nice working processing interface, you could run it also on any Android device.

Simple Arduino Uno - ESP8266 software serial integration.

Using a phone as a makeshift GSM module.

If you can't find a voltmeter at home or anywhere else, then this hack is for you!

Task scheduling is a transformative way to write maintainable code for Arduino and other AVRs. No more spaghetti code. C++ tutorial.

Learn how to submit your Arduino-based project. It may even get featured on the Arduino social channels!

Based on Blockly and BlocklyDuino, here's a multilingual enhanced version with supervision, upload, multi-level blocks, etc.

A single Arduino Uno/Mega can carry up to 14 RS-232 boards. Each board is distinguished by ID, which is set via a DIP switch.

An Arduino powered floppy disk controller and reader/writer for making and writing disk images from and to old AmigaDOS floppy disks.

Take your Arduino Codes to the next level with easy auto completion and documentation in Visual Studio, it's very simple & fast.

Learn programming ESP8266 with Arduino Boards. Installing ESP8266 board to Arduino Boards manager and uploading sample program to ESP-01.

In this tutorial, I will show you how to install the dark theme for your Arduino IDE for the reason of overexposure to the screen light.

The cheapest micro soldering station in the world, using a cheap USB soldering iron.

We will teach you that it is possible to write only one Serial.print line to display several messages.