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: […]
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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 […]
9 Simple Solar Battery Charger Circuits
Simple solar charger circuits are small devices which allow you to charge a battery quickly and cheaply, through solar panels. A simple solar charger circuit must have 3 basic features […]
Using Triacs for Controlling Inductive Loads
Here I have tried to investigate a few enhanced triac based phase controller circuits which can be recommended for controlling or operating inductive loads like transformers and AC motors much […]
Simple Car Shock Alarm Circuit
A simple car shock alarm circuit I have I have explained in this article can eb effectively used to alarm the owner each time the car comes across some kind […]
IC LM338 Application Circuits
In this post we will try to analyze a few interesting IC LM338 based power supply circuits and related application circuits which can used by all hobbyists and professional for […]
