Electrical Engineering is a field of Engineering that deals with the study and application of electricity generation, transmission, distribution and consumption of electrical energy for the benefit of mankind.
Saturday, 19 March 2016
Simple Mobile Power Bank Circuit Diagram
Make homemade mobile power bank
Components Required
1- 9 V Rechargeable Battery
2- Voltage Regulator IC7805
3- Resistance 1K ohm
4- LED 3mm
5- USB Port
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