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This is a kind of circuit named Night Lamp Switcher Circuit which helps us to switch on the lights automatically in dark time. In this circuit, we use 555 timer ic. It helps us to automatically switch on the lights in the night time.
<p>kindly clarify my doubts.. please..!</p><p>what is the symbol indicating 4.1 near LDR?</p><p>and </p><p>Where do i connect relay</p><p>and how much wattage relay should be used.?</p><p>and </p><p>what type of bulb to be use at load..?</p>
<p>kindly clarify my doubts.. please..!</p><p>what is the symbol indicating 4.1 near LDR?</p><p>and </p><p>Where do i connect relay</p><p>and how much wattage relay should be used.?</p><p>and </p><p>what type of bulb to be use at load..?</p>

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