How to Build a Low Cost RFID Access Control Circuit
The simple homemade RFID access control circuit presented here is super simple to build. Once the tuning is completed, the lock will respond only to …
Continue ReadingShowing items from Hobbyist & DIY Electronic Devices & Circuits
How to Build a Long Duration Timer? One Sample Circuit Explained with a Schematic
The long duration timer circuit presented here will cost you not more than a dollar, yet it can provide long time durations of more than a “month”, …
Continue ReadingHow to Build a Homemade Power Inverter
Whether indoors or outdoors this high-efficiency inverter can provide clean AC to power all your small appliances like fans, lights, soldering irons, …
Continue ReadingWhat is an Uninterruptible Power Supply (UPS)?
An uninterruptible power supply is far superior to some other power guards like CVTs since it can provide power backup for long durations of power …
Continue ReadingHow To Build a Simple Touch Sensitive Switch?
With a mere touch of your finger you can operate any electrical load you wish to. Learn how simple it is to construct a touch sensitive switch.
Continue ReadingHow a Dimmer Switch for a Ceiling Fan Works
In an electronic dimmer switch for a ceiling fan, the speed control is achieved through a technology called phase control and is done by a fast …
Continue ReadingHow do Integrated Circuits Work?
An integrated circuit is basically made up of small electronic components on a semi-conductor material. Today, integrated circuits have become an …
Continue ReadingHow are Integrated Circuits Made? Construction of Integrated Circuits
An integrated circuit or IC is basically the assembly of electronic components fabricated on a semiconductor material as a unit. There are different …
Continue ReadingAdjustable 1 to 25 Volt DC Power Supplies - Circuit Schematic Diagram and Plans
The features of this simple universal power supply are at par with commercially available high standard power supplies, yet the construction cost is …
Continue ReadingDigital Logic Design: IC Families Explained
There are different families of logic gates. Each family has its own characteristics, limitations and advantages. Some families also have common …
Continue ReadingElectronic Gates Work - Basics Functions & Applications Explained
An electronic gate is a combination of switches that are microscopic in size and whose function is to receive one or more inputs resulting in a single …
Continue ReadingHow to Make an LED Light Chaser
Using a couple of CMOS ICs and a handful of passive electronic components, a circuit producing a beautiful LED running light effect can be …
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