Go to advanced search

by venerable13
Mon Apr 23, 2012 2:51 am
Forum: Beginners
Topic: Which battery to use and charging circuit
Replies: 17
Views: 5973

Re: Which battery to use and charging circuit

<t>All are good ideas but I keep that waiting is the better solution, if in the raps shop there isn't a portable solution (bizarre) on other sites yes, because it will be a super sale product and it significate a good oportunity for the sellers. So we may wait. The safer guard solution is perfect bu...
by venerable13
Sat Apr 21, 2012 11:38 pm
Forum: Beginners
Topic: Which battery to use and charging circuit
Replies: 17
Views: 5973

Re: Which battery to use and charging circuit

<t>With 230V:<br/> <br/> A normal power supply here -> 5V – 2A, for good price.<br/> <br/> With batteries:<br/> <br/> Without screen:<br/> <br/> Battery 1 7.4 drops to 5V with a linear regulator 1.5-3A.<br/> <br/> Battery 2 the same but with more current.<br/> <br/> Charger<br/> <br/> With screen:<b...
by venerable13
Sat Apr 21, 2012 11:22 pm
Forum: Beginners
Topic: Which battery to use and charging circuit
Replies: 17
Views: 5973

Re: Which battery to use and charging circuit

<t>I need help for this I write here. Which solutions are available? I asking others to help me, not to do it for me. You're wrong. There are a lot of solutions for that I want to simplificate in some and recollect it in a post or site to help others.<br/> <br/> Thnks jbeale, another idea more to th...
by venerable13
Sat Apr 21, 2012 9:53 pm
Forum: Beginners
Topic: Which battery to use and charging circuit
Replies: 17
Views: 5973

Re: Which battery to use and charging circuit

<t>ok I oppened eyes. I"ll use a laptop battery 4400mAh or similar and a power charger. Now all is though.<br/> <br/> To power normally:<br/> <br/> -an ATX PSU<br/> <br/> -a laptop charger hacked to 5V.<br/> <br/> -a mobile charger<br/> <br/> -other alternatives?<br/> <br/> To power with battery:<br...
by venerable13
Sat Apr 21, 2012 8:32 pm
Forum: Beginners
Topic: Which battery to use and charging circuit
Replies: 17
Views: 5973

Re: Which battery to use and charging circuit

It is in a range, but if you want more precision:


diode
zener
resistor
linear efficient regulator
by venerable13
Sat Apr 21, 2012 8:19 pm
Forum: Beginners
Topic: Which battery to use and charging circuit
Replies: 17
Views: 5973

Re: Which battery to use and charging circuit

So what do you suggest the previous battery pack is good? Another alternative? Because in battery general forum anyone say one thing. Should have a post resuming all.
by venerable13
Sat Apr 21, 2012 8:11 pm
Forum: Beginners
Topic: Which battery to use and charging circuit
Replies: 17
Views: 5973

Re: Which battery to use and charging circuit

This serves?

http://dx.com/2400mah-external.....240?item=7

I think that in months we have "official" alternatives to buy in raps shop. It is worth search now.
by venerable13
Sat Apr 21, 2012 12:24 pm
Forum: Beginners
Topic: Which battery to use and charging circuit
Replies: 17
Views: 5973

Re: Which battery to use and charging circuit

<t>Deffinitively which 2 do you use? There are a lot of possibilities in that forum but don't clarify me.<br/> <br/> How can I say to raps to power off when the battery charge is below a level for safety? Very important.<br/> <br/> And with this factors:<br/> <br/> <br/> battery<br/> battery charger...

Go to advanced search