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12V Battery Charger Circuits – Using LM317, LM338, L200, Transistors

In this article we will be discussing a list of simple 12V battery charger circuits which are very easy and cheap by its design yet extremely accurate with its output voltage and current specs. All the designs presented here are current controlled meaning their outputs will never go beyond a predetermined fixed current level. UPDATE: … Read more12V Battery Charger Circuits – Using LM317, LM338, L200, Transistors

Simple 4 Watt LED Driver Circuit Using IC 338

The IC LM338 as we know is a highly versatile device when it comes to controlling voltages and current levels. Circuit Configuration In the present design, the device is configured in the automatic current control mode. White LEDs specifically need a well dimensioned input, technically the current to these LEDs must be strictly controlled. By connecting its … Read moreSimple 4 Watt LED Driver Circuit Using IC 338

How to Repair Mosquito Swatter Bats

This post provides some general tips regarding how to repair a mosquito swatter bat or racket, through quick steps. Mosquito rackets today have become an indispensable tool in every house, simply because it not only provides us with an effective way of terminating mosquito, the process also creates a sense of fun and satisfaction. However … Read moreHow to Repair Mosquito Swatter Bats

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IC 555 – How it Works Everything you wanted to know about the IC 555: Pinout details, modes of operations, formulas, solved examples. Inverter/Converter Best small power inverter circuits from 50 watt to 5000 watts. Get 220V AC or 120V AC from any lead acid battery rated from 12V to 48V with appropriate Ah rating. … Read moreHome

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