Comments on: Battery eliminator circuit http://www.circuitstoday.com/battery-eliminator-circuit An Authentic Resource on Electronics Thu, 09 Feb 2012 02:28:13 +0000 hourly 1 http://wordpress.org/?v= By: TEJ http://www.circuitstoday.com/battery-eliminator-circuit#comment-76643 TEJ Sun, 25 Dec 2011 13:27:43 +0000 http://www.circuitstoday.com/?p=2691#comment-76643 what a ckt diagram what a ckt diagram

]]> By: Luiz Gustavo http://www.circuitstoday.com/battery-eliminator-circuit#comment-71118 Luiz Gustavo Wed, 30 Nov 2011 12:46:43 +0000 http://www.circuitstoday.com/?p=2691#comment-71118 Can anyone please say what's the name os this software (the software on this image) >> http://www.circuitstoday.com/wp-content/uploads/2011/11/circuit-simulator.jpg I need it, i really want to download it. sorry about my english. If anyone know pleas reply me on my mail Gustavo-mdm@hotmail.com Can anyone please say what’s the name os this software (the software on this image) >>
http://www.circuitstoday.com/wp-content/uploads/2011/11/circuit-simulator.jpg
I need it, i really want to download it.
sorry about my english.
If anyone know pleas reply me on my mail Gustavo-mdm@hotmail.com

]]> By: Isaac http://www.circuitstoday.com/battery-eliminator-circuit#comment-71032 Isaac Wed, 30 Nov 2011 06:32:25 +0000 http://www.circuitstoday.com/?p=2691#comment-71032 P.S The batteries are sealed lead acid.To run my electric skateboard. P.S The batteries are sealed lead acid.To run my electric skateboard.

]]> By: Isaac http://www.circuitstoday.com/battery-eliminator-circuit#comment-71031 Isaac Wed, 30 Nov 2011 06:30:26 +0000 http://www.circuitstoday.com/?p=2691#comment-71031 Hello Sir,I need a led meter to see my battery situation.My battery pack is made from 4 12v 7A batteries.Each 2 in series and than 2 and 2 in parallel to get 24v 14A.Thank you. Hello Sir,I need a led meter to see my battery situation.My battery pack is made from 4 12v 7A batteries.Each 2 in series and than 2 and 2 in parallel to get 24v 14A.Thank you.

]]> By: seetharaman http://www.circuitstoday.com/battery-eliminator-circuit#comment-63532 seetharaman Tue, 11 Oct 2011 19:45:17 +0000 http://www.circuitstoday.com/?p=2691#comment-63532 Jagadish your requirement in this projec is not clear. Jagadish your requirement in this projec is not clear.

]]> By: jagadish http://www.circuitstoday.com/battery-eliminator-circuit#comment-63447 jagadish Sat, 08 Oct 2011 06:05:21 +0000 http://www.circuitstoday.com/?p=2691#comment-63447 sir how much leds can i connect for a 5w CFl bulb cct sir

how much leds can i connect for a 5w CFl bulb cct

]]> By: seetharaman http://www.circuitstoday.com/battery-eliminator-circuit#comment-58508 seetharaman Tue, 28 Jun 2011 09:43:31 +0000 http://www.circuitstoday.com/?p=2691#comment-58508 Hi Anish you can use a rotary switch to have step variation. if you want a continuously variable power supply. replace R1 and R3 combination with a variable rheostat (a potentiometer connect one end to center tap, hence only two connection used as a variable resistance) of value 2.5K connected with 3K in parallel. The output will be variable between 1.25 to 9 volts. please go through datasheet of national semiconductors. http://www.national.com/ds/LM/LM117.pdf Hi Anish you can use a rotary switch to have step variation. if you want a continuously variable power supply. replace R1 and R3 combination with a variable rheostat (a potentiometer connect one end to center tap, hence only two connection used as a variable resistance) of value 2.5K connected with 3K in parallel. The output will be variable between 1.25 to 9 volts. please go through datasheet of national semiconductors.
http://www.national.com/ds/LM/LM117.pdf

]]> By: seetharaman http://www.circuitstoday.com/battery-eliminator-circuit#comment-58506 seetharaman Tue, 28 Jun 2011 09:30:18 +0000 http://www.circuitstoday.com/?p=2691#comment-58506 It is a pack of layer cells hence the battery manufacturers have given power pack type 3. (PP3). Like A AA AAA B C D type cells. It is a pack of layer cells hence the battery manufacturers have given power pack type 3. (PP3). Like A AA AAA B C D type cells.

]]> By: Anish http://www.circuitstoday.com/battery-eliminator-circuit#comment-58367 Anish Tue, 28 Jun 2011 02:04:00 +0000 http://www.circuitstoday.com/?p=2691#comment-58367 So, Can i use these resistances connected to a rotatory switch?. By the way, i want to know what PP3 mean why the name PP3.? So, Can i use these resistances connected to a rotatory switch?.
By the way, i want to know what PP3 mean why the name PP3.?

]]> By: seetharaman http://www.circuitstoday.com/battery-eliminator-circuit#comment-58197 seetharaman Mon, 27 Jun 2011 17:19:13 +0000 http://www.circuitstoday.com/?p=2691#comment-58197 Hi Anish PP3 is 9volt energizer pack - layer battery with snap on connectors, used in most digital multimeters. R2 is 220 ohms for 1.25 volt reference. R1 in parallel with R3 to be calculated each voltage. [(Voltage out put required - 1.25 Volt) / 1.25] X 220. For 3 volt it should be 308 ohms, For 4.5 572 ohms. for six volts 836 ohms, for 9 volt 1364 ohms. These are values if ref is 1.25volt. due to its tolerance you may have little variation in the value. Use nearby preferred values for these resistances. 300, 560, 820, 2nos 2.7K in parallel. etc Hi Anish PP3 is 9volt energizer pack – layer battery with snap on connectors, used in most digital multimeters.
R2 is 220 ohms for 1.25 volt reference. R1 in parallel with R3 to be calculated each voltage. [(Voltage out put required - 1.25 Volt) / 1.25] X 220. For 3 volt it should be 308 ohms, For 4.5 572 ohms. for six volts 836 ohms, for 9 volt 1364 ohms. These are values if ref is 1.25volt. due to its tolerance you may have little variation in the value. Use nearby preferred values for these resistances. 300, 560, 820, 2nos 2.7K in parallel. etc

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