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Solar powered UV disinfectant lamp

Frank Donald August 13, 2020 2 Comments

In times like these it’s important to take measures to sterilize or disinfect surfaces or things we interact with daily. Applying sanitizer or lotions may not be a viable solution in many circumstances. Did you know Ultraviolet lights of certain…
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Electronics, Projects

batteries, Comparator, LED

Electronic dice circuit for board games

Gadgetronicx Team August 5, 2020

Electronic dice can be a good and fun alternative to traditional dice when enjoying our board games. We have designed a Electronic dice circuit which will generate random number from 0 to 6. The specialty of this circuit is that…
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Circuit diagrams and Schematic designs, Counter Circuits, Electronics

fun circuits, Timer IC 555

Popular communication protocols in Embedded systems – Part I

Gadgetronicx Team July 29, 2020 0 Comments

In Embedded systems, communication protocols holds a special place as it opens up ways to efficiently exchange data between devices. There are lot of protocols exists in embedded world but out of all we will come across few protocols more…
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Embedded System, Guide to Embedded systems

Protocols, UART

Linear search Algorithm explained

Gadgetronicx Team July 22, 2020 0 Comments

Searching algorithms are used to find a character or a number in a given array. When comes to searching algorithms, Linear search is the most easiest to implement as the logic behind this is quite simple. In this tutorial we…
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Algorithm, Programming

C programming

Automatic exhaust Fan circuit for Kitchen

Gadgetronicx Team July 15, 2020 0 Comments

Cooking can be grueling experience if kitchen is not ventilated properly. Despite good ventilation sometimes we need an exhaust fan to moderate the temperature in kitchen while cooking. But when we are so busy cooking, we often forget the fan…
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Circuit diagrams and Schematic designs, Electronics, Switching Circuits

opamp, relay, sensor

Switchless Intercom system project

Ron Hoffman July 8, 2020 21 Comments

Over the years I have designed and built many different types of Intercoms. I have a patent on a unit that uses piezoelectric discs as speakers for a door mountable intercom. The intercoms always required the user to operate a…
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Electronics, Projects

opamp, Ron Hoffman

Voltage range detector circuit

Frank Donald July 1, 2020 0 Comments

Identifying unknown voltage is something we often come across when working with circuits. Of course Multimeter is the perfect tool for this application. But recently I came across a situation where my Multimeter turned out to be faulty and I…
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Circuit diagrams and Schematic designs, Electronics, Tester Circuits

Comparator, LED

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