Here is your guide to creating the RGB color pixels and strips with the Neo Pixel insta tutorial.
Control the servo motor using a potentiometer and bring interesting variations to your project. Learn how
Display and analyse electronic signals waveforms with this arduino based Oscilloscope. Check out the DIY tutorial here
Do calculations on a self designed, self stylised calculator you can create using arduino. Click here for the insta tutorial
Now you can detect gas anytime anywhere with this quick DIY on Analog Gas Sensor. Here's the code