Transformer dot convention detector
This circuit is Transformer dot convention detector that can detect the polarity of any transformer.
Dot convention refers to the phase shift between input voltage (primary) and the output voltage (Secondary) of any transformer.
In some transformer applications its very important to know the transformer polarity (dot convention).
Video: https://youtu.be/zMc17zLqZAU
Parts list:
IC 555
IC 4030
IC LM358
Capacitor 100nF
Capacitor 10nF
Capacitor 100uF(2pcs)
Capacitor 220uF
LED (2pcs)
Banana Plug and socket (4 pair)
Push button
Diode 1N4148 (4pcs)
Resistor 100K (2pcs)
Resistor 510R (2pcs)
Resistor 100R
Resistor 33K (2pcs)
IC Socket 8 pin (2pcs)
IC Socket 14 pin
Transformer dot convention detector
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