Reader Comments
The circuit is here: http://electronicdesign.com/Files/29/1823/Figure_01.gif
Anonymous -November 20, 2009
i can't get this unit to work .do you need to hook up the ac to the cct.to me there is some confusion as how to hook it up.
thanks for any help
g
frustrated -November 06, 2009
its 9v battery charging 3v battery...can i not use rectifier?
tp -November 05, 2009
ok what if i want to recharge the battery with 12v battery? how will that be?
Anonymous -November 02, 2009
in ohms or k ohms?
thnx
tp -November 02, 2009
The values in the circuit are ohms not V. I just made it and it works fine.Smart idea by Rehman.
Anonymous -October 14, 2009
I LIKE IT
SHILJITH -October 10, 2009
i want to a math still model for our school math fair?
Anonymous -October 03, 2009
i want to a math still model with picture
Anonymous -October 03, 2009
hi would please any one tell me how to down convert ac voltage just thru a resistor and not by transformer?
Satish -September 14, 2009
what is the value of VR1,R2 ana R3
oscar -September 10, 2009
can u send me the simplified circuit diagram
ramadhevi -August 29, 2009
What is the value of the component used in constructing this smart battery chargerbuilt around a single transistor
Oscar -August 28, 2009
plz send me the codes
Anonymous -August 17, 2009
I need to design a phone charger that uses heat energy from burning charcol to charge a 3.7V battery.
Dominic -July 31, 2009
I need simple diagram how to make 90amp,12v battary charger. Hemantha.
Anonymous -July 14, 2009
which transistor is equivalent to c1061
hamid -July 06, 2009
The resistor values are correct. I just tested circuit and every thing works well. Of course the V refers to ohms, you just can't type Ohms symbol. Use a relay with a 12v coil and one that has a NC(no contact connection)which is a 5 pin device i used a car relay.
For Vr1 & Vr2 use variable resistors
Anonymous -July 03, 2009
I also would like to see some answers to these legitimate questions contained within these posts
Anonymous -June 24, 2009
hello
cdmawin -June 05, 2009
I WANT 1 NOS. BATTRY CHARGER
SHAHID ALAM -June 04, 2009
hgfhfhfhgfh
vijay -May 19, 2009
The circuit it is shown that VR1 is 500V is it ohm?also R2 is 290V and R3 is 15V ,should we read this V as Ohm? Please reply me. Thank and regards , Tariq
Tariq -May 18, 2009
hi
I ask for RL1 Whai is ?
Auose -May 12, 2009
diagram of battary charging circuit.
Engineer -May 09, 2009
circuit digram of single transistor battary charging circuit.
amal -May 09, 2009
could u plese talk in tecnical languge.
KK -May 03, 2009
Where is Mr. Elaz Ur-Rehman ? He develioped this design, and I want to ask hem about the component values.
Tom Berge -April 16, 2009
Please, anybody can help me out. I need circuit diagram 1000 watt inverter for inverter using SG3524 IC with pmw
farooq ahmed -April 16, 2009
Where will you print these answers ? I don't know if this is getting through to ANYBODY ? ANYBODY? Please answer me at tberge@gra.midco.net Thanks somebody
Tom B -April 14, 2009
PLEASE tell me what the proper values are for this schematic. VR1, VR2, R1,R2, R3, and whats the dweal on the relar RL1. Thank you
Tom Berge -April 14, 2009
kindly respond to readers query and lets know through this site the correct values VR1, R2 and R3.Thanks
Anonymous -April 08, 2009
good
Anonymous -April 07, 2009
in the circuit it is shown that VR1 is 500V is it ohm?also R2 is 290V and R3 is 15V ,should we read this V as Ohm? Please reply me. Thank and regards , Ashok
Ashok D. Chachad -March 25, 2009
Your ideya is good but where is the circuit?
Ashok D. Chachad -March 25, 2009
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