Description
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In this video, I will show you how to build a 50Hz current transformer detection circuit using TL084 and LM393.
This circuit can detect very small current signals from a current transformer, amplify them, filter noise, and convert them into a clean digital output signal.
⚡ Key Features:
Detect small load currents (even with a 60W lamp)
Adjustable gain and detection threshold
Stable and reliable digital output
Safe isolation using a current transformer
🔧 Main Components:
TL084 (Op-Amp for signal amplification)
LM393 (Comparator for signal detection)
50Hz Current Transformer (EI core)
Standard resistors, capacitors, and potentiometers
🛠 Applications:
Load detection systems
Automatic power control
Fault detection circuits
Smart energy monitoring
⚠️ Safety Note:
Although the output of the current transformer is isolated and low voltage, always be careful when working with AC mains.
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Download File link:https://drive.google.com/file/d/1GQ9EdpvfkIMqtEhrc_xr-g0I9R09FOTN/view
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