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Power Battery Saver Circuit

This is power battery saver circuit using an IC-555 timer. The lamp is controlled with a PWM mode by adjusting of potentiometer VR1. And, PNP power transistor drives a lamp. Sometimes a light bulbs or lamp is too brightness.  It is shorter lifespan and wastes too much electricity. You need just enough light only.  First, you may use a variable resistor in sires. To adjust the brightness. But it does not work. Because it uses a high power. There a lot of ways to fix the problem.  This is on another way you may like it. It can save the power of a battery. The…

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Power Battery Saver Circuit
Circuit diagram of Power Battery Saver using PWM 555
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