In the rectifier
received fire from the source to reduce the pressure to 220V 12V
used rectifier แบบบริดจ์ to help in reducing the pressure
. Capacitor and LED added is made check that the butt smooth yet
.By observing the tube and LED measured from the meter, pressure is also 16 V is
so the IC 7812 number used for the pressure to 12 V.
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