The methods for powering the Raspberry Pi via sources other than its micro-USB connection.

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1answer
35 views

Power Raspberry Pi 2 From vehicle battery

I have seen many tutorials and blogs of people setting up their PI 2 in their vehicles for media systems etc. I would actually like to attempt the following however I am unsure how to power the pi. I ...
0
votes
2answers
39 views

Can I power a RPi3 from its USB ports?

https://www.raspberrypi.org/help/faqs/#powerHub indicates that certain USB hubs can "backpower" the the Raspberry Pi by its USB ports. Apart from the fact that it seems to bypass the overvoltage ...
0
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0answers
43 views

Power On/Off and Regulator Schematic Design

For my final year project, I'm designing an add-on PCB circuit that connects to the Raspberry Pi A+ by means of jumper wires as opposed to the GPIO directly. This is due to size restrictions on the ...
0
votes
0answers
15 views

RPi and HDMI HML powering

What happens if an RPi is connected to a HDMI HML device that delivers power. Is it designed to handle that safely? Does it depend of the model? And what if the power that is provided by HDMI is ...
3
votes
2answers
466 views

Is there a max current that can be supplied when powering the Pi from the pins?

I want to power my Pi Zero from the header pins, pin 2 and pin 6 specifically. I know that my Pi Zero can consume up to 120mA, and my power supply can provide up to 500mA. I've heard that the 3.3v ...
0
votes
1answer
60 views

For how much time does a 600 VA UPS run my RPI 2?

I am planning to buy a 600VA UPS as power backup for my rpi 2. Can someone please help me to find out how much time it can run my rpi? I am running rpi with a 5.3V 2A usb charge and connected a 500 ...
6
votes
4answers
155 views

How can I power the pi safely?

I'm a student in 7th grade building a project that has to include a raspberry pi of a contest coming up in april. Long story short I have a solar panel with a 6v usb output and I would like to power ...
6
votes
2answers
367 views

Can I use a DC-DC step up module to power a Raspberry Pi from 2AA batteries?

I understand that I can use 4AA batteries and a step down module to get 5V and power the Pi, however briefly. However, now I'm getting real outrageous and want to trying powering the Pi from just 2AA, ...
4
votes
3answers
139 views

Possible to power a Rasberry Pi Zero or B+ plugged in via an Ethernet port?

I want to build a device using a raspberry pi where you plug in the ethernet port into any ethernet port device and then from the raspberry pi it routes it back into the same device. Say for example: ...
0
votes
0answers
29 views

Raspberry Pi 2 rewire power input [duplicate]

I want to use my raspberry pi 2 as an media center and use movies from my usb HDD Now the problem is that it runs short on power for that usb HDD (my usb hdd uses 2 usb ports btw) Now I found an old ...
1
vote
1answer
57 views

Why it should not be possible to back feed a modern Raspberry Pi? [duplicate]

I read some posts, like this one, saying it this not possible to back feed a RPI from the USB sockets. But I think this is possible. I have two evidences for that: This post from Eben Upton ...
9
votes
3answers
389 views

Powering Pi from Ni-MH batteries

I would like to power my RPi2 from the 5V GPIO pin via 4 Ni-MH rechargeable batteries (4.8V) but I'm afraid about peak current. Can it somehow produce more than 2.5A? Should I use a fuse to limit that ...
2
votes
1answer
766 views

Outdoor Pi Security Camera

I'm hoping to make an outdoor Pi security camera. I don't want to run any wires so I'm hoping to get a Wifi connection along with solar power. I've been looking into the PiJuice solar as an option ...
1
vote
1answer
113 views

powering raspberry pi B+ through the USB port

I am enclosing my raspberry pi B+ into a camera case due to which the micro USB power plug on the pi is not accessible, I was thinking of powering it through the normal USB port. ...
0
votes
2answers
439 views

Is it possible to power 2 devices using a powerboost charger?

I am putting together a PiPhone but with slight mod to the power. Is it possible to use powerboost 1000 charger to achieve the following? power up rpi + pitft and the sim module, recharge battery ...
1
vote
1answer
124 views

Will there be backfeed problems if I use a powered external HD on RPi 2?

I've got an old Western Digital ext hd that uses this power supply (http://www.amazon.com/Adapter-Western-Digital-Wdbaau0010hbk-01-Supply/dp/B00FPLZFP4). I was planning on powering RPi 2 just from ...
1
vote
1answer
974 views

Wire 5v to raspberry pi b+ without microUsb

On the original model b it was possible to wire power to the tp1 and tp2 (which ran through the fuse and was protected?) I am upgrading my 3d printer to run with a b+ but the b+ does not have the same ...
1
vote
2answers
222 views

Mobile power source for RPi? [duplicate]

I have an RPi B and using a USB hub need to plug into it: A LogiLink Wifi nano USB, and 3 USB NFC readers (3*200mA=600mA) This should roughly add up to less than 3A: Power for: (RPi) + (USB ...
1
vote
1answer
792 views

Are there alternatives way of power a Raspberry Pi 2 except the microUSB connector?

The Arduino can be powered via USB, power jack or VIN/GND pins. Does the Raspberry PI 2 offer options for power other than the microUSB connector ?
5
votes
2answers
2k views

Pi / Pi 2 using modern 'smart' USB Power Adapters to supply power to the Raspberry?

Once upon a time there was only one way to charge a usb device and that was done at 5V and 500mA max, or so I've been told. 'Modern' USB Power Adapters like the Apple 1Amp, 2Amp and 2.4Amp and many ...
0
votes
1answer
50 views

What is the Raspberry Pi power supply connector called?

What is the connector on the Raspberry Pi power supply called? It looks rather like my Samsung Galaxy S4 cable. Is it the same?
13
votes
6answers
31k views

Will any external battery power a Raspberry Pi?

I am working on a project that needs the Raspberry Pi to work without a mains connection. I have considered buying a 50000mAh USB power bank. Would this power a Raspberry Pi, and if so, would it ...
0
votes
1answer
347 views

Pi dead: U3 IC gets extremely hot

I got two Pi's, and both of them have the same problem. To the first one, I connected a 3.3V power supply to pin 1, following which the board didn't boot and no LEDs lit. The board seems to be dead, ...
6
votes
3answers
1k views

Car computer how to connect to car battery and also not drain battery when the car is switched off

I am doing research on creating a car computer with raspberry pi (so I have all the basics down before I start this project) and I am looking on a way to switch the whole device automatically whenever ...
1
vote
1answer
444 views

Do 5V/3A External Batteries exists? [closed]

Need one to power my PiHUB so my project gets portable, and I don't need a cable. Unfortunately the battery packs I find on amazon, are 5V/3A ad in: 1 USB 5V/2A, and 1 USB 5V/1A ... so 2+1 = 3A ...
2
votes
2answers
490 views

Portable power supply for a PiHub?

I love my PiHUB and would like to have a or table power source, so I can make my projects mobile :) Is there any product that I could use? It uses 3A 5.2V. Alternatively I'd appreciate any ...
5
votes
3answers
576 views

UPS for raspberry pi

I want to be able to power my pi like a smartphone (ie from battery or from mains (while charging the battery), hot swappable) I know there are boards like the MoPi that achieve this, but the ...
0
votes
1answer
84 views

Powering multiple full-size bulbs

I'm working on a Pi project where I will need to have 4 lightbulb turn off and on based on schedule. The programming aspect is no problem but I'm guessing the GPIO pins are not powerful enough to do ...
2
votes
0answers
87 views

Raspberry power supply via PoE (power over ethernet) [duplicate]

Is it possible to supply a raspberry pi via PoE? If not, why?
2
votes
2answers
322 views

Can I use an ATX power supply to power a graphics card, the USB3380EVB and a Pi?

I am going to plug a GT4640 using the USB3380EVB. This board connects to the USB slot of the Pi. The USB3380EVB has his own power supply which provide energy to the GT640. I am concern about ...
0
votes
0answers
165 views

RPi shutting down after powered from 5V pin

My RPi is working fine and automatically connecting to wifi when powered from USB but when I try to power it from a regulated 5V supply on the extension headers I can see that it goes on but then ...
0
votes
1answer
856 views

Powering motors using seperate power source and relay circuit ?

I'm looking to make a toy car using the raspberry pi. I've figured I can power the pi using 6 AA's and a voltage regulator, and connect to the 5V and a GND pin (pins 2 and 6 I think). Then power the ...
3
votes
2answers
4k views

How many volts can you safely connect to the Pi?

I want to purchase this power supply (battery pack) for mobile projects (I know, it isn't a lot of power), and I was wondering if, with a bit of modding, like adding a micro usb tip to the power or by ...
12
votes
5answers
28k views

Powering a PI from 12V

I'm thinking of installing my Pi down at my wife's stables which have a 40W solar charged 12V DC lighting circuit. Since the Pi runs at 5V I'm thinking that a quick and easy way to step down the ...
6
votes
4answers
20k views

Powering the raspberry Pi from USB + microUSB, is it safe?

I want to power a Pi model B from a powered USB hub. I got surprised that the Pi powers on with only the USB attached. A little search in the forums confirmed me that it is a working solution. I ...
1
vote
3answers
5k views

Suitable power supply for DC power through GPIO

I'm trying to follow this tutorial on adafruit, which powers the Pi, and a 1 metre LED strip, through the GPIO using DC. I'm not sure however what power source to use as I'm not very experienced with ...
6
votes
1answer
4k views

Waterproof solar battery enclosure for my Pi?

There are numerous topics out there about powering Raspis from batteries or from solar or just making a waterproof enclosure... But I'm a programmer, not an electrician. I would end up plugging the ...
5
votes
2answers
4k views

How long can a RaspberryPi run for on 4 or more AA batteries?

I'm looking to power my RaspberryPi via rechargable batteries, but I would like to know how long can it run for running X number of batteries. I want to eventually be able to mount it outside and ...
13
votes
2answers
3k views

Powering Raspberry Pi and other USB devices through a single USB Hub

I bought a powered 7-port USB Hub, which has 7 downstream ports, 1 up stream port and one power port. My question is can I connect both Raspberry Pi and the USB devices that I want to use with ...
14
votes
3answers
6k views

Can the USB ports be used to power the Raspberry Pi?

Does the power need to be supplied via the micro USB port or can one of the two normal USB ports be used as well? I intend to use SSH only, so the USB port would not be used in any other way, but I'd ...
3
votes
1answer
956 views

Dual Power Supplies (Redundant/Spare/Backup)

I have two separate power feeds presented as either two IEC C13 or two UK 3 Pin sockets (the choice is mine). I would like to connect my Pi to both power feeds so that if one power feed fails, the Pi ...
10
votes
1answer
1k views

If I power my Pi from GPIO, can I detect that it's not being powered by USB?

I'd like to create a backup power solution for my Raspberry Pi, and I'd like a notification to come up that the Raspberry Pi is running on this backup power. This notification has to tell me that ...
3
votes
3answers
688 views

Trouble powering pi from batteries

I have an 8-cell NiMH battery pack (10V) connected to a UBEC voltage regulator, so that it provides a constant 5V as the batteries discharge. This is wired to the micro-USB connector that's connected ...
71
votes
10answers
85k views

How do I build a UPS-like - battery backup - system?

As we all know, the Raspberry Pi doesn't really use that much power (5v + 700mA is the spec). I'd like to build a battery backup for power outages in a DIY-ish fashion. I don't need surge protection ...
30
votes
6answers
19k views

Powering without using the micro USB

Is it possible to power the device without using the micro USB? For example, is it possible to use PoE (Power over Ethernet)?
100
votes
5answers
23k views

How can I run the Pi on Solar Power?

Has anyone successfully set up their Pi to run on solar power? If so, what would be the cheapest way to sensibly and reliably achieve this, using a combination of solar cells / batteries / voltage ...
65
votes
10answers
26k views

What do I need to know to power from batteries?

What voltage range can it accept? What sort of batteries are appropriate?