Home / Tutorials / Arduino Tutorial

Arduino Tutorial

How pinMode, digitalWrite and digitalRead Work

arduino digital input

I believe what makes Arduino popular is how it makes microcontrollers easier to use. I remember the time when I have to spent hours coding a project and then spend money on programming hardware. Arduino has its limitations, but the platform helps create tons of electronic projects even for non-engineers. …

Read More »

MQ-135 Air Quality Sensor Tutorial

MQ-135 breakout board

The MQ-135 “air quality” sensor is part of the MQ series of gas sensors that uses a chemical sensitive element. The resistance of such element varies when exposed to certain gases. The MQ-135 is sensitive to multiple gases including Benzene, Acetone, Alcohol and Ammonium.

Read More »

Arduino Current Sensor Tutorial

arduino current sensor

Current sensors can have different applications: power supplies, over-current protection, and motor control to name a few. In this Arduino current sensor tutorial, we will look at how to read current using the ACS712 sensor.

Read More »

Using the Grove Gesture Sensor

Grove gesture sensor

Wouldn’t it be cool if you could control something by just waving your hands? Well, this is what the grove gesture sensor does. In this post, I will show you how to use this sensor with an Arduino and create a simple gesture control project.

Read More »