> MQ135 is mainly used to detect the concentration of carbon dioxide, alcohol, benzene, NOx, ammonia and other gases in the air.

[Mike] sent in a project he’s been working on – a port of a BASIC interpreter that fits on an Arduino. The code is meant to be a faithful port of Tiny BASIC for the 68000, and true to Tiny BASIC form, ...

Arduino projects have gained immense popularity among both seasoned makers and beginners due to their ability to blend innovation and fun. Whether you have years of experience or are just starting out ...

The standard I2C library for the Arduino is the Wire library. While this library is sufficient most of the time, there are situations when it cannot be used: the I2C pins A4/A5 (or SDA/SCL) are in use ...

You've no doubt heard of Arduino by now, but there's no great shame if you don't know much more beyond that. And if you're curious, Bob from I Like to Make Stuff has a great, quick, just-the-basics ...

What is a rotary encoder? A rotary encoder (RT) is a device that you can rotate infinitely. On most rotary encoders, when you rotate them you will feel a bump (known as steps), and most RTs have about ...

Usually, I use the Serial Monitor of the Arduino IDE to communicate with the Arduino hardware. But now, I want to build an application on my computer that allows me to click some buttons to control ...