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Electric Touch Door Lock Circuit Using TTP223 and Relay – Full Explanation
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December 10, 2025
PC817 Optocoupler: Pinout, Features, Equivalent, and Applications Explained
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November 14, 2025
4N36 Optocoupler: Pinout, Features, Equivalent, and Applications Explained
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November 14, 2025
4N35 Optocoupler: Pinout, Features, Equivalent, and Applications Explained
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November 14, 2025
4N25 Optocoupler Pinout, Working, Features, Equivalent & Applications Explained
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November 14, 2025
BC547 Transistor: Pinout, Features, Equivalent, and Applications Explained in Detail
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November 4, 2025
BC546 Transistor: Pinout, Features, Equivalent, and Applications Explained in Detail
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November 4, 2025
BC548 Transistor: Pinout, Features, Equivalent, and Applications Explained in Detail
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How to Make a 3.7V LED Dimmer Circuit | Adjustable LED Brightness Control
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BD135 Transistor: Pinout, Specifications, Features, Alternative, and Applications
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October 25, 2025
BD140 Transistor Pinout, Features, Specifications and Applications
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October 25, 2025
BD139 Transistor: Pinout, Specifications, Features, and Applications
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October 24, 2025
Top 10 Electronics Projects for Beginner
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Simple LED Flasher Circuit
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