In this article I have explained a very simple yet amusing mains operated xenon tube flasher circuit using ordinary electronic components. Circuit Operation The circuit was taken from one of the old elektor electronics magazine and it is indeed a very cute little circuit which may be used for creating high intensity lighting effects during […]
Lamps and Lights
Converting Ordinary Rice Bulb String Light to LED String Light
In this post we study how to convert a rice bulb string light into an LED string light using some simply circuit modification. Circuit Concept Whether it’s during a festive occasion or for mere decoration purpose, the Chinese rice bulb flashing lights have become hugely popular nowadays These can be seen as multiple interlaced wire strings consisting of many different […]
Emergency LED Lamp Circuit with Battery Overcharge Protection
The following LED emergency light with battery over charge protection feature circuit was designed by me in response to the request sent by PP. Main Features In this article I have explained an LED emergency light circuit with advanced features such as, Using Transistors only The following design of the proposed day/night automatic emergency LED […]
SMD LED based Emergency Lamp Circuit
An emergency lamp using SMD LEDs is able to generate illuminations with extreme brightness due to the high efficiency of the SMD type LEDs. Moreover, SMD LEDs also ensure the unit will be very compact and lightweight. The following post explains a simple circuit diagram of an automatic emergency lamp using 36 nos. SMD LEDs. The circuit […]
Illuminating 24 White LEDs from two 9 Volt Cells
In this post I have explained about a special circuit which can illuminate 24 high bright white LEDs from a single 9V PP3 battery, let’s unravel the secret behind this amazing circuit. Nine volt cells as the rating suggest, provides 9 volt output, but what about the current? A 9 volt PP3 battery will not […]
Converting a Dead CFL into an LED Tubelight
You might have already read about this interesting idea in many different sites. It’s about converting a dead CFL into a sleek LED tube light circuit. In this post I have explained the procedures with more details. How many times did you throw away a dead or over used faulty CFL unit into the dust bin? Well, we do […]