
Automatic Water-Level Indicator
Here’s a simple water-level indicator for overhead tanks that uses three LEDs (LED1,...
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Here’s a simple water-level indicator for overhead tanks that uses three LEDs (LED1,...
CELL PHONE OPERATED ROBOT This project introduces the use of mobile phone for...
RELAYS What are relays? Relays are electromechanical devices that use an electromagnet to...
Ferrite Bead: Tiny Cylinder in Power Cords & Cable. Why? Have you ever noticed...
Basic principal of this circuit is to connect a such type of buzzer...
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