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Familiarize Electronic Components Part VII – Photodiode


Photodiode is a type of light detector capable of converting light energy into either current or voltage, depending upon the mode of operation. Photodiodes are similar to typical semiconductor diodes except that they may be either exposed or packaged with a window to allow light to reach the sensitive part of the device.

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Circuit, Components, Design, Electronics, Energy, Hobby Circuits, Home, Techniques

Automatic Lamp


Here is a possible solution to prevent the wastage of energy if you forget to switch off the bathroom or terrace lamp. Once it is switched on, it stays on for 22 minutes and then automatically turns off. The lamp will turn on only if the switch is turned off and turned on again.Save Energy. It is precious.

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