Ultra-Portable Fridge

Today I am going to show how we can make and ultra-portable Fridge. This is ultra-chip  too. The basic concept behind this is Thermoelectric Effect.  A thermoelectric device creates voltage when there is a different temperature on each side. Conversely, when a voltage is applied to it, it creates a […]

Ultrasonic Radar

In this tutorial I am going to demonstrate how to make Radar using ultrasonic sound. This project is purely for fun but it can be as a handy tutorial for learning the basics of the following topics. Distance measuring using Arduino and Ultrasonic Sound (HC-SR04) Wireless transmission using 433MHz RF and Arduino […]

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