In this post I have explained how to make 2 accurate long duration timer circuits ranging from 4 hours to 40 hours, which can be upgraded further for getting even […]
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Cheap Semi Automatic, Tank Water Over Flow Controller Circuit
The circuit presented here monitors the level of the water rising inside a tank and automatically switches OFF the pump motor as soon as the water level reaches the brim […]
3 Best LED Bulb Circuits you can Make at Home
In this post I have elaborately explained how to build a 3 simple LED bulb using many LEDs in series and powering them through a capacitive power supply circuit. Warning: […]
Timer based Water Level Controller Circuit
The explained circuit of a water level controller circuit is based on a adjustable timer circuit whose time delay is first adjusted to match the filling time of the tank, […]
2N3904 Datasheet [40V, 200 mA NPN Transistor]
In this post I have explained the main datasheet and pinout details of the NPN transistor 2N3904 Introduction The transistor 2N3904 comes under the category of NPN small signal, low […]
Simple Electronic Fuse Circuit
In this article we investigate a electronic circuit design which works like a conventional fuse for safeguarding any electrical system from overloads, over-current, short circuit and related fire hazards. However, […]
