Linked Questions

1 vote
3 answers

Is It Safe To Connect A 16 Port Servo Driver's External Power Supply To My Raspberry Pi? (Will It Cause A Brownout?)

I have an adafruit 16 port servo driver. In the directions on their webpage, they explain how to wire it, as well as connect an external power supply. They mention not to plug the power directly into ...
Brendan R.'s user avatar
-2 votes
1 answer

Can i use 2.5Amp on Raspberrypi 3B GPIO 5v pins? [duplicate]

I'm thinking of using a 5V and 2.5Amp power supply to power up my Raspberrypi 3 model B over it's GPIO 5V PIN. Is it safe to use 5V 2A IN GPIO PIN?
Ur_frd's user avatar
  • 1
1 vote
3 answers

Powering multiple pi's and multiple external hdds

I have looked around here and on other sites but don't really come to a clear solution on what to do specifically with my setup. I'm searching for a way to power the following setup efficiently: ...
Lyze's user avatar
  • 113
2 votes
2 answers

Using UART from USB C

So basically my Alienware R4 17" 2017 model has USB C ports. I think USB C ports are a standard and operate at 20 volts, 5 amps, and 100 watts for power and charging. I have a Pi 3 and Pie 3 Model B+....
Josh Mustillo's user avatar
4 votes
1 answer

Safe to power Raspberry Pi 3 with 5.25 v out of BEC?

So I'm using a Lipo to power my Pi 3 and to be safe, I installed a 5v 3A UBEC. Upon checking the voltage output, I saw the BEC was only stepping the voltage down to around 5.25v, rather than 5v. I ...
Rob Roberts 's user avatar
2 votes
2 answers

Vibration-induced power loss problem

I am a pilot using a Pi 3 as an ADS-B receiver for a gyroplane. It works really well provided I don't try to have the Pi mounted to the aircraft anywhere. As soon as I do, the vibration seems to cause ...
chipchap42's user avatar
12 votes
7 answers

Powering Raspberry Pi 3 from another Raspberry Pi 3

Is it possible to power a Raspberry Pi 3 directly from another Raspberry Pi 3 that is powered from a Micro USB socket. I understand there is a 5v rail and I am thinking that linking the 5v rails ...
Robert3452's user avatar
2 votes
0 answers

Is it possible to have 5V output from a GPIO pin? [duplicate]

I want to make a small rc car using the raspberry pi. I tested the 3.3V and 5V output for the motor and of course I'd really prefer the 5V output, it is much faster. From what I read, the GPIO pins ...
Kevin Van Ryckegem's user avatar
1 vote
5 answers

SSH the Pi from computer with a USB cable only

I remember that when starting with Pi a few years ago (see this 2.5 year old question), it was impossible to SSH the Pi (without screen / keyboard / mouse) from computer with a USB cable only. One had ...
Basj's user avatar
  • 764
2 votes
4 answers

Supply 3.3V via GPIO header (Pi3)

I need to power a Raspberry Pi 3 via its GPIO header: I have a beefy regulated PSU capable of providing stable 4.98V, which I planned to route to the 5V pins of the Raspberry as stated in this answer: ...
Francesco Bertolaccini's user avatar
0 votes
1 answer

Powering the Pi through GPIO

I have seen many tutorials about powering the Pi through the GPIO. My question is why do people do it? By powering the Pi through the GPIO, you lose protection from surges in current and voltage, so ...
Darth Vader's user avatar
  • 4,146
3 votes
2 answers

Does it matter which pins are used when powering the Pi from the header?

If you didn't already know, you can power the Pi from the GPIO pins. By supplying pin 2 with 5v and connecting a ground to pin 6, you can power the Pi. My question; does it matter which pins are used? ...
Patrick Cook's user avatar
  • 6,305
0 votes
0 answers

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 ...
roy Steen's user avatar
3 votes
2 answers

Help on powering 3.3V fans

I'm not 100% sure if this is the right form to post in, and I'm not the best writer... so please let me know if I make no sense. So I'm doing a little project and was wondering on how I could power ...
Henry L's user avatar
  • 43
1 vote
1 answer

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.
Ayesha Khan's user avatar

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