Quick RC Battery Charger...

[bsodmike]

Let me know what you think:





Basically it drops the input voltage down from 12v to 9.6v and 6v. The LM317Ts can handle a max current of 1.5A - of course you could use a LM338T (5A max) heh...

R2 and R4 have to be 240ohm resistors, while R1 = [(9.6*240 - 1.25)/1.25] = 1K8 resistor and R3 = [(6*240 - 1.25)/1.25] = 1K1 resistor.

I've marked '1A' on the PCB to note that the tracks are thick enough to handle a max of 1A safely. Also, the output current it defined by the input source

edit- slight mistake (yea I'm sleepy) and the pcb has been fixed (notice the board is a little too short on the right).

 

[Nathan_454]

I agree....

 

[bsodmike]

?!??!?!?!

 

[ImBroken]

That's exactly what I was thinkin...

 

[SMaxxin]

?!??!?!?!

I agree

 

[beason]

is the question multiple choice? or true false??

 

[AC48]

beason, its just your opinion, wetheryou agree or not. I agree as well.

 

[beason]

i agree?? i guess

 

[Nathan_454]

its true or false one question

1. who won the war?

 

[bsodmike]

Updated - Changed the trace width to 40mills to handle 1A max current and the ports are like so:

12v - glow plug
12v - starter box bat
9.6v - Tx bat
6v - Rx bat.

 

[ImBroken]

Will you making one of these?

 

[bsodmike]

Basically I own and run www.pcbideas.com

If any one is interested in this I will have 7 boards left of this first run - high quality PCBs too.

Basically this will look like an adaptor cable 2 wires to your charger and from this 4 pairs. With heat shrinking the pcb will look like a part of the cable

So yea, if ya want one lemme know...I'll be pricing them discounted for RCNT members @ $20.00 a board or $30.00 including 2x LM317Ts and 2x heatsinks.

Worldwide shipping will cost $5.00.

I will begin shipping these on the 1st of June.

 

[SMaxxin]

The bad thing is I don't have a clue what it is? Is it a charger or something I add to my charger?

 

[jon2]

Its a schematic to a charger. If you follow his site you would get it!

Bsodmike- ARe you the one making the multilayer PCB? Do you own a stuffing house? I have quite a few here and quatitiy brings the cost down. I am thinking you do. Shoot us some pics of the finished product!

Jon

 

[bsodmike]

It is something you ad to your current charger, it simply allows you to charge all your batteries with one gadget rather than have 3 -4 chargers...

Yup the PCBs will be ready soon, I'm just busy with Uni. Once it is finished I'll be posting with pics of course

 

[SMaxxin]

Its a schematic to a charger. If you follow his site you would get it!

I followed the link and still have no clue LOL. I'm guessing from the pic on his site the pcb is a computer board...right. When it comes to pc's I'm lucky I can get on here and post. I have two chargers, both peak and charge nicad and nimh batteries up to 7 cells. So my question is can this improve my chargers? I hope this doesn't sound like I'm doubting you I'm just trying to understand.

 

[bsodmike]

Think of it as a cable management system rather than an actual charger. I.e. charge all your stuff from 1 charger. how you charger it, rate of charing all controlled by the actual 'source'!