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 […]

General Purpose Timer

Timers are one of the most important devices in terms of bringing automation in our life. Today almost all smart home electrical appliances like fridge, heater etc. have their own inbuilt timers. But in sometime we want to control electrical devices which do not have any automation. For example running […]

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