Battery's Recharger Questions

[QOS1]

Hello,
Like show http://laserone.free.fr/TEST/
I'm using a 9v 150mA battery to give supply the electronic system, since
it's a rechargeable one i want to realize a Boost recharger, my questions
are :
1- Is there anny web link explaining how to make a recharger ?
2- I'm using an in-system battery, then no way to remove it from circuit
board, in this case i need to make systčm (shown as System 'A'), it will be
able to : 1- disconnect the Electronic system. 2- Detect where are +Vcc and
Gnd pôles. 3-Recharge battery. Can anny one help me ? All web links may help
me.
I know my english off, Hope you understood what i wrote.
Thanks

 

[QOS1]

No one knows

 

[John Crighton]

On Thu, 15 Apr 2004 07:34:56 +0200, "QOS1" <qos1@free.fr> wrote:

No one knows


Hello,

since you are getting impatient have a look here
http://www.national.com/ms/LB/LB-35.pdf
second page top right hand side, figure 4, constant
current charger.

Maybe figure 10 on this data sheet would be nicer
http://wlan.sdvanime.com/wireless-leeuwarden/img/zelfbouw/LM317_datasheet.pdf

Just google for battery charger +LM317

Cheerio,
John Crighton
Hornsby