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6V/2.3Ah Lead Acid battry HELP!!! urgent

PostPosted: Thu Dec 16, 2010 2:03 pm
by sure05resh
can i directly connect SLA battery 6V/2.3Ah using a normal wire to a voltage regulator (7805) and the supply 5v to PIC16,RC Micro Servo Motor and L293D motor driver ?

i have a problem in terms of power supply,where is not sufficient to rotate the servo motor if i use a normal 9V battery but the motor driver can rotate..
Help.. tq

Re: 6V/2.3Ah Lead Acid battry HELP!!! urgent

PostPosted: Fri Dec 17, 2010 12:45 pm
by robosang
sure05resh WROTE:can i directly connect SLA battery 6V/2.3Ah using a normal wire to a voltage regulator (7805) and the supply 5v to PIC16,RC Micro Servo Motor and L293D motor driver ?

i have a problem in terms of power supply,where is not sufficient to rotate the servo motor if i use a normal 9V battery but the motor driver can rotate..
Help.. tq


Normal 7805 will need 7V to regulate to 5V, lower voltage input will result in lower output voltage, for Vin < Vout + 2

normal 9V battery sure cannot drive servo motor, it is not designed for that. Why don you try power the circuit with 9V but the SLA 6V to servo?