Non-contact AC line detector Circuit - Simple Electronic Project
Introduction
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Diagram of AC Line Detector Circuit
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Components Needed for this Project:
You can get the components from any of the sites below:
- BC547 Transistor [See Buy Click Amazon]
- LED 5mm [See Buy Click Amazon]
- 220 Ohm Resistor [See Buy Click Amazon]
- 100 Ohm Resistor [See Buy Click Amazon]
- 1M Ohm Resistor [See Buy Click Amazon]
- 3v Buzzer [See Buy Click Amazon]
*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!
Related Basic Electronic Mini Project Circuit Diagram:
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Working Principle
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Frequently asked questions
This is a wireless AC line detector circuit using a bc574 Transistor. This is a very good simple AC detector for your testing.
A magnetic field is produced around a current-carrying conductor if the current through the conductor is alternating current (AC). A non-contact AC Line voltage detector detects the changing magnetic field around AC-energized objects.
A non-contact voltage detector is a device that can detect the presence of an electrical charge in a wire, cable, or piece of equipment without having to touch the object.
Zero-voltage cross-detection is commonly used as an accurate method of detecting AC characteristics, such as frequency and phase Line.
DC voltage, on the other hand, cannot be detected in this way because a DC electric field generated by the live part stays constant, and thus no inductive current flows.
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