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by Garacesh
Wed Jan 25, 2012 5:00 pm
Forum: General discussion
Topic: Rechargeble batteries suitable for the RPi?
Replies: 27
Views: 9751

Re: Rechargeble batteries suitable for the RPi?

... rechargeable battery into the Pi.<br/> <br/> Now it's powered by 5v MicroUSB, I get that. So the question is, does anybody know of any compatable batteries that can either: be soldered/hooked up in some way to the RPi to supply power and can be recharged (preferably by USB without removing it, ...
by spamel
Wed Jan 25, 2012 4:45 pm
Forum: Other projects
Topic: interesting Idea - Looking for info!
Replies: 27
Views: 7152

Re: interesting Idea - Looking for info!

<t>With regards the pipboy, flat batteries from phones would be the best bet. And i don"t mean discharged, but flat in profile. I have seen people making imitation pipboys with a lit screen and a transfer sheet to give the impression of a ...
by JustinN
Wed Jan 25, 2012 2:25 pm
Forum: Other projects
Topic: interesting Idea - Looking for info!
Replies: 27
Views: 7152

Re: interesting Idea - Looking for info!

... return of current you get from that type of energy is very small. They've started putting it into TV remote controls so that you no longer require batteries for them, however that only generates enough power to send a single button press at a time. Not the type of power to keep a device (R-Pi) ...
by bobba_dwj
Wed Jan 25, 2012 1:21 pm
Forum: Staffroom, classroom and projects
Topic: Best first language
Replies: 160
Views: 49359

Re: Best first language

... or creating GUI's with ease (GUI toolkits include tkinter, which is built-in, wxPython, PyQt and PyGtk).  It is also known as being "supplied with batteries", as there is a huge amount of functionality and modules that you can use from the off.  It is supplied as default on Linux and Mac operating ...
by ofrxnz
Wed Jan 25, 2012 4:25 am
Forum: Other projects
Topic: interesting Idea - Looking for info!
Replies: 27
Views: 7152

Re: interesting Idea - Looking for info!

... would that help? Size of the grid could be roughly the size of the rpi itself as I was planning to mount a teg under it and change a small bank of batteries when the device isn"t in use…<br/> <br/> I"ll be honest… Anyone for a actual working pipboy? they never see, to run outta power… And I had ...
by orbitoid
Tue Jan 24, 2012 10:45 pm
Forum: General discussion
Topic: Solar Power
Replies: 54
Views: 17126

Re: Solar Power

... the whole time, how many Ah would you need to power it for say 24 hours? (worse case)<br/> <br/> If we could work that out then we could look for batteries that would suit. Then we could also work out what kind of wattage the solar panels would need to keep the battery afloat.<br/> <br/> Would ...
by imphill
Tue Jan 24, 2012 7:57 pm
Forum: Other projects
Topic: interesting Idea - Looking for info!
Replies: 27
Views: 7152

Re: interesting Idea - Looking for info!

... would that help? Size of the grid could be roughly the size of the rpi itself as I was planning to mount a teg under it and change a small bank of batteries when the device isn"t in use…<br/> <br/> I"ll be honest… Anyone for a actual working pipboy? they never see, to run outta power… And I had ...
by imphill
Tue Jan 24, 2012 5:53 pm
Forum: Other projects
Topic: interesting Idea - Looking for info!
Replies: 27
Views: 7152

Re: interesting Idea - Looking for info!

... <br/> I have got some very interesting Ideas if this turns out to be enough. If not, would the output of the TEG be enough to charge...say....4 AA batteries?<br/> <br/> Thanks,<br/> <br/> IMPhill</r>
by rurwin
Tue Jan 24, 2012 4:47 pm
Forum: General discussion
Topic: Solar Power
Replies: 54
Views: 17126

Re: Solar Power

... been posted. I assume that the solar angle on those chargers is a gimmick -- there is no way they can charge fast enough to make sense -- they are batteries that you usually charge from the mains, but can just about charge themselves in a few days of good sunlight.</r>
by evil twin
Tue Jan 24, 2012 12:00 pm
Forum: General discussion
Topic: Pi in "the Third World"
Replies: 10
Views: 2945

Re: Pi in "the Third World"

... hub serve the purpose better? Considering the current state of the world's affairs such rural places might easily become impossible to find ANY batteries for a long time.</t>
by mgmt_idiot
Tue Jan 24, 2012 11:15 am
Forum: General discussion
Topic: Pi in "the Third World"
Replies: 10
Views: 2945

Re: Pi in "the Third World"

... <br/> <br/> <br/> I got one of these, precisely to use 1 USB on my RasPi and also to save power. The downside for the 3rd world is a need for AAA batteries. <br/> <br/> <URL url="http://www.amazon.co.uk/gp/pro.....8;v=glance">http://www.amazon.co.uk/gp/pro.....8;v=glance</URL><br/> <br/> The USB/micro ...
by Goggles2114
Tue Jan 24, 2012 3:45 am
Forum: Other projects
Topic: Adding a Battery Pack?
Replies: 2
Views: 5118

Re: Adding a Battery Pack?

<t>Anyone know how to? Been looking on dealextreame and I realized I was basing my thought process on just going shoving a couple D cell batteries and going with that. Instead I could, I suppose, try wiring in a cellphone-like battery that would charge when plugged in. I want the raspi to ...
by dukla2000
Tue Jan 24, 2012 1:21 am
Forum: General discussion
Topic: Pi in "the Third World"
Replies: 10
Views: 2945

Re: Pi in "the Third World"

... 8000 miles.<br/> I got one of these, precisely to use 1 USB on my RasPi and also to save power. The downside for the 3rd world is a need for AAA batteries. <br/> <br/> <URL url="http://www.amazon.co.uk/gp/pro.....8;v=glance">http://www.amazon.co.uk/gp/pro.....8;v=glance</URL><br/> <br/> The USB/micro ...
by dRay
Sun Jan 22, 2012 1:25 pm
Forum: General discussion
Topic: Only one Power Adapter
Replies: 21
Views: 7344

Re: Only one Power Adapter

<t>Dave Seeber said: <br/> <br/> You just put in 4 AA batteries- rechargeables can be up to 2300 mAh at 1.2V x 4 that makes 4.8V and ~9-10 000 mAh!  Nice portable power solution for RPi.<br/> <br/> Unless you take 16 AA rechargeables you wont get 4.8V ...
by specsdude
Sun Jan 22, 2012 12:26 pm
Forum: General discussion
Topic: Only one Power Adapter
Replies: 21
Views: 7344

Re: Only one Power Adapter

... <br/> <URL url="http://www.amazon.co.uk/Backup.....038;sr=1-1">http://www.amazon.co.uk/Backup.....038;sr=1-1</URL><br/> <br/> You just put in 4 AA batteries- rechargeables can be up to 2300 mAh at 1.2V x 4 that makes 4.8V and ~9-10 000 mAh!  Nice portable power solution for RPi.<br/> <br/> Only ...
by cupcake
Sun Jan 22, 2012 1:01 am
Forum: Other projects
Topic: Project: RPi + RC Car
Replies: 13
Views: 18713

Re: Project: RPi + RC Car

... removed the RF receiver and replaced it with the Arduino.<br/> <br/> <br/> <br/> The Board and Servos will need their  own power supply of 4AA batteries but that is generally recommended for a Hobby Car receiver. I own a few RCs and can say that a 4pack battery holder can be bought from ever ...
by MINKIN2
Sat Jan 21, 2012 11:35 pm
Forum: Other projects
Topic: Project: RPi + RC Car
Replies: 13
Views: 18713

Re: Project: RPi + RC Car

... removed the RF receiver and replaced it with the Arduino.<br/> <br/> <br/> <br/> The Board and Servos will need their  own power supply of 4AA batteries but that is generally recommended for a Hobby Car receiver. I own a few RCs and can say that a 4pack battery holder can be bought from ever ...
by kenk
Sat Jan 21, 2012 12:54 am
Forum: Other projects
Topic: STICKY: The projects list. Look here for some ideas.
Replies: 233
Views: 421050

Re: The projects list. Look here for some ideas.

... device to do this for my emergency kit. something with a 7" screen possibly touch which will run at relatively low power, that way I can run it on batteries during emergencies.<br/> <br/> I think the pi would be great for this with its low power consumption.</t>
by abishur
Fri Jan 20, 2012 3:47 pm
Forum: Other projects
Topic: Powering the RPi
Replies: 3
Views: 1508

Re: Powering the RPi

<t>Hello RPID and welcome to the Forum!  There's actually a *TON* of threads discussing batteries, powering options, and battery life expectations scattered through the forum, so I'm going to close this duplicate thread.<br/> <br/> I believe there is actually a thread ...
by pluggster
Fri Jan 20, 2012 1:18 pm
Forum: Other projects
Topic: RPi Footie Cam
Replies: 2
Views: 1023

Re: RPi Footie Cam

... a generic webcam to a RPi<br/> house it all in something sturdy ... don't want it getting busted when a ball flies into it!<br/> run it off some batteries, but needs to last for 70 minutes (the game is 60 minutes, so this gives me a 5 minture buffer either side)<br/> write the video to the SD ...
by meltwater
Fri Jan 20, 2012 11:00 am
Forum: General discussion
Topic: Copyright and licenses
Replies: 38
Views: 6613

Re: Copyright and licenses

... useful for tutorials etc since as we all know, playing with electronics can go wrong!<br/> <br/> In particular projects involving power supplies, batteries and mains switching…can have bad results, so it is important that people are aware of this.<br/> <br/> Also, if Raspberry Pi is put as copyright ...
by richard77
Thu Jan 19, 2012 9:05 pm
Forum: General discussion
Topic: cheap uninterruptible power supply for r-pi?
Replies: 9
Views: 5631

Re: cheap uninterruptible power supply for r-pi?

<t>Cheapest would be 4 NiMH AA batteries (nominal voltage 1.2, actual a bit higher), with a series diode (0.2 V drop).<br/> <br/> If batteries are good (low internal resistance) and fully charged this should give 4.6-4.8 volt.  (USB  spec ...
by koosh34
Thu Jan 19, 2012 8:30 pm
Forum: General discussion
Topic: cheap uninterruptible power supply for r-pi?
Replies: 9
Views: 5631

Re: cheap uninterruptible power supply for r-pi?

... dealextreme for accessories for my r-pi (linux compatible usb wifi, something to make a case out of etc) when I came across a number of external batteries intended for mobiles (some with solar panels, though I doubt they would provide enough to keep an r-pi going purely on solar power?). From ...
by super_tnt
Tue Jan 17, 2012 10:27 am
Forum: Other projects
Topic: Portable project and some questions
Replies: 2
Views: 1390

Re: Portable project and some questions

... pi into a portable computer/game console using a hacked xbox360 chatpad, a joystick with some buttons for a mouse, a screen and of course some batteries, I have some questions however:<br/> <br/> <br/>  Is the a micro controller that can act as a usb/ps2 mouse? Edit I think I'm going to use ...
by ukscone
Sun Jan 15, 2012 9:34 pm
Forum: Off topic discussion
Topic: I am going to step outside. I may be sometime.
Replies: 15
Views: 3920

Re: I am going to step outside. I may be sometime.

... my son on wednesday to the amnh and planetarium (open bar too woohoo!!!! ) (anyone else going to "beyond planet earth" at the AMNH?)<br/> <br/> Batteries are recharged, blood pressure is lower and i'm in a much better mood and less grouchy at the moment however that situation could change quite ...

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