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amr mohamed

Occupation: : 369
Date of Birth : 1994-09-29
Join Date : 2010-11-12
Age : 23

PostSubject: Automatic LED Emergency Light   Mon 04 Apr 2011, 8:44 am

Automatic LED Emergency Light

Description of Service

Department of Emergency scheme is simple and inexpensive binaries are running highbrightness white light by a reserve battery when power outages .. Andadvantage of
Circle as you charge the battery which automatically stop
Charging automatically when battery is fully charged

Installation Service

Containing circuit for Voltage Regulator LM 317, which provides battery charging voltage 7 V, which is controlled by transistor BC 548 and

Control circuit

Must adjust the voltage of the battery charger to 7 volts by changing the resistance

Important Note

Should be provided with transistor BD140
Bembdd good heat


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