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 […]
Newly Updated Circuit Projects:
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 […]
Make this Musical Greeting Card Circuit
The presented circuit of a musical greeting card circuit was requested by one of the keen readers of this blog, so I designed this interesting little circuit, which is simple and easily gets embedded inside any standard greeting card fold. Looking at the given circuit diagram, we see a design consisting of a very few number of components, rigged […]
Tilt Sensor Switch Circuit
The articles presents a simple water triggered switch which is effectively implemented as a super simple tilt sensor circuit. Let’s know more. Easy to Build Circuit Ready availability of cost effective components can be deployed to fabricate tilt sensor alarm in ultra transistor based simple circuit. The domestic version of tilt sensor explained here is […]
Making a Multi-function Water Level Controller Circuit
The following multi-function water level controller circuit post is based on the suggestions expressed by Mr. Usman. I have explained more about the requested modifications and the circuit details. The Circuit Suggestion: The concept of this circuit looks good. May I suggest a couple of other desirable features? 1) To protect the motor from potential overheating (or […]
Make this Car Air Ionizer Circuit
In this post I have explained the construction of a car air ionizer circuit which can be used for cleansing the atmosphere of car interior from smoke, pollution, dust particles, bad odor, pollen particles etc. The circuit was requested by Mr. Edalcor Zuproc. The Circuit Concept In one of my previous posts we saw how simply a home air […]