The article explains a simple single IC LED tube ligt circuit applicable for 110V/120V AC inputs. The circuit uses 30 numbers of 1 watt LEDs, and also includes a voltage […]
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Transformerless Relay Driver Stage
In this post we discuss an enhanced transformerles power supply circuit design which consists a well stabilized and regulated DC stage along with a relay driver stage which operates through […]
5630 SMD LED Driver/Tube light Circuit
The post explains a simple transformerless SMD 5630 type LED tube light circuit which can be built by anybody for illuminating home interior cheaply. The idea was requested by Mr. […]
10 Simple LED Chaser Circuits Explained [Knight Rider, Scanner, Reverse-Forward, Cascaded]
The article discusses the construction of 10 interesting yet simple LED chaser circuits, which not only create beautiful running light effect but are also easy to build. We also discuss […]
0-300V Adjustable MOSFET Transformerless Power Supply Circuit
This simple MOSFET controlled transformerless power supply circuit can be used for delivering a continuously variable 0 to 300V DC output and a current control from 100 mA to 1 […]
Timer Controlled Exhaust Fan Circuit
This simple timer oscillator circuit can be used for automatically switching an exhaust fan ON/OFF as per a fixed predetermined period. The circuit was requested by Mr. Anshuman. Technical Specifications Here […]