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DIY KIT 6- Flashing LED rotating windmill electronic beginner soldering project

This tutorial shows all the steps required to build a flashing LED rotating windmill electronic beginner soldering DIY electronic kit. The kit gives an LED swirling effect after assembly. The swirling pattern can be stopped using the two tactile switches(buttons). It is a very basic electronic beginner project for beginners. You would need basic soldering…

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Dark sensor on breadboard

The circuit is ready for testing. Connect battery terminals and see the output. As you block light falling on LDR(Light dependent resistor), the LED glows.

OUTPUT:

[youtube]http://www.youtube.com/watch?v=qmWAgoHwy3w[/youtube]

THIS CIRCUIT IS EXTREMELY SENSITIVE TO DARKNESS. EXPERIMENT THE CIRCUIT IN A HIGHLY ILLUMINATED ROOM.

LED GLOWS EVEN IN LESS DARKNESS. Use torch light if the LED glows in less darkness. You can adjust the sensitivity of the circuit using a variable resistor in place of R3-300Ohm. Try this circuit with other resistances as well, for example, 1K, 10K and 100K, etc.

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