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Re: WII U RASPBERRY PI 3 FINISHED
Posted: Sun Apr 30, 2017 1:35 pm
by yemu
cvp wrote: ↑Sun Apr 30, 2017 5:39 am
Will this work so?
yes, check this the link I added earlier
Re: WII U RASPBERRY PI 3 FINISHED
Posted: Sun Apr 30, 2017 2:31 pm
by banjokazooie
cvp wrote: ↑Sun Apr 30, 2017 5:39 am
Will this work so?
Don't use TP4056 in this configuration. If you want higher charging current use something like this
http://www.ebay.co.uk/itm/172591594393? ... EBIDX%3AIT
Remember to put battery protection on unprotected cells and then connect them to charging circuit and rpi
Re: WII U RASPBERRY PI 3 FINISHED
Posted: Sun Apr 30, 2017 2:32 pm
by Guinan
cvp wrote: ↑Sun Apr 30, 2017 5:39 am
Will this work so?
Why do you need two?
Re: WII U RASPBERRY PI 3 FINISHED
Posted: Mon May 01, 2017 6:29 am
by yemu
sorry, I'm new to this, could you please elaborate why we shouldn't use two TP4506?
Re: WII U RASPBERRY PI 3 FINISHED
Posted: Mon May 01, 2017 6:58 am
by banjokazooie
yemu wrote: ↑Mon May 01, 2017 6:29 am
sorry, I'm new to this, could you please elaborate why we shouldn't use two TP4506?
It was not designed to charge in parallel. Sure you can use them as many chineese sellers have modules in that configuration claiming higher charge current but the end voltage depends of individual chips. Knowing it is a fake chip you would get different results unless you match those modules. Still stick with TP5000 module a you should be ok.
Re: WII U RASPBERRY PI 3 FINISHED
Posted: Mon May 01, 2017 10:20 pm
by Guinan
Okay, so other than the previous mic question I asked before I now have a new concern and question.
Do I need a charging circuit for each battery? Or just the protection circuit?
I'm probably going to 3D print a custom back shell so I can add 4 3.7V @ 9800mAh batteries. I was going to use a 4 cell protection circuit (this:
http://m.ebay.com/itm/4-cell-Lithium-Ba ... 1864337059) connected to a TP4056. Is this doable? Should I move down to 4200mAh batteries? Or setup two in serial and two in parallel?
Now I'm worried I don't have my power setup correct.
This is a harder RP3 first build than I thought it would be.
Re: WII U RASPBERRY PI 3 FINISHED
Posted: Tue May 02, 2017 12:02 am
by yemu
banjokazooie wrote: ↑Mon May 01, 2017 6:58 am
It was not designed to charge in parallel. Sure you can use them as many chineese sellers have modules in that configuration claiming higher charge current but the end voltage depends of individual chips. Knowing it is a fake chip you would get different results unless you match those modules. Still stick with TP5000 module a you should be ok.
ok, thanks, I still not sure if I'm understand correctly - for now my choice would be TP5000 as you say, but do you think I could use this chinese charger with four TP4056 that claims it has provides 3A :
https://pl.aliexpress.com/item/TP4056-4 ... 89332.html
Re: WII U RASPBERRY PI 3 FINISHED
Posted: Tue May 02, 2017 8:09 am
by banjokazooie
Guinan wrote: ↑Mon May 01, 2017 10:20 pm
Okay, so other than the previous mic question I asked before I now have a new concern and question.
Do I need a charging circuit for each battery? Or just the protection circuit?
I'm probably going to 3D print a custom back shell so I can add 4 3.7V @ 9800mAh batteries. I was going to use a 4 cell protection circuit (this:
http://m.ebay.com/itm/4-cell-Lithium-Ba ... 1864337059) connected to a TP4056. Is this doable? Should I move down to 4200mAh batteries? Or setup two in serial and two in parallel?
Now I'm worried I don't have my power setup correct.
This is a harder RP3 first build than I thought it would be.
U need to use a 1S protection board for 4.2V lipo. Using 4 unmatched cell = lost of trouble. The safest way is to connect 2 in series, 2s battery protection with ballancer, TP5100 charger module for 7.2V lipo and step down converter.
Re: WII U RASPBERRY PI 3 FINISHED
Posted: Tue May 02, 2017 3:14 pm
by Guinan
banjokazooie wrote: ↑Tue May 02, 2017 8:09 am
Guinan wrote: ↑Mon May 01, 2017 10:20 pm
-snip-
U need to use a 1S protection board for 4.2V lipo. Using 4 unmatched cell = lost of trouble. The safest way is to connect 2 in series, 2s battery protection with ballancer, TP5100 charger module for 7.2V lipo and step down converter.
I think you may have misunderstood. I have 3 sets of four batteries each.
3.7V @ 9800mAh gtf 18650
3.7V @ 4200mAh ultracell 18650
3.7V @ 3400mAh Panasonic 18650
I'm wondering if I need to change the charging circuit based upon the batteries I use. Will the tp4056 be usable with anything other than the 3400mAh batteries?
Can I just use a 4 cell protection circuit and a single tp4056 board? Or do I need to use a different charging circuit board for higher mAh batteries?
I thought that the mAh rating just how long they lasted.
Also: any chance you could address the follow up question about the mic as well? That was my most pressing issue until this battery thing popped up.
As always, thanks for your assistance.
EDITED: because reasons.
Re: WII U RASPBERRY PI 3 FINISHED
Posted: Wed May 03, 2017 11:14 am
by banjokazooie
Guinan wrote: ↑Tue May 02, 2017 3:14 pm
banjokazooie wrote: ↑Tue May 02, 2017 8:09 am
Guinan wrote: ↑Mon May 01, 2017 10:20 pm
-snip-
U need to use a 1S protection board for 4.2V lipo. Using 4 unmatched cell = lost of trouble. The safest way is to connect 2 in series, 2s battery protection with ballancer, TP5100 charger module for 7.2V lipo and step down converter.
I think you may have misunderstood. I have 3 sets of four batteries each.
3.7V @ 9800mAh gtf 18650
3.7V @ 4200mAh ultracell 18650
3.7V @ 3400mAh Panasonic 18650
I'm wondering if I need to change the charging circuit based upon the batteries I use. Will the tp4056 be usable with anything other than the 3400mAh batteries?
Can I just use a 4 cell protection circuit and a single tp4056 board? Or do I need to use a different charging circuit board for higher mAh batteries?
I thought that the mAh rating just how long they lasted.
Also: any chance you could address the follow up question about the mic as well? That was my most pressing issue until this battery thing popped up.
As always, thanks for your assistance.
EDITED: because reasons.
The tp4056 can charge any mAh battery but charging time depends of the capacity . If you going to use those batteries in series you must use 1S protection as the output voltage is 4.2V. 4S protection is for 4 cell in series with output voltage 16.8V and you cannot use Tp4056 for charging.
For the mic question on the usb dac there is a dedicated audio jack for mic when you use something like this
http://www.ebay.co.uk/itm/USB-External- ... SwWxNYtIO3. The one I have used has only audio out.