Linked Questions

4 votes
1 answer
2k views

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
0 votes
4 answers
2k views

RPi undervoltage

I'm powering my Pi 3 with Weidmuller 5V/5A power supply and the Pi is running Raspbian Jessie. I have connected only a wireless mouse with wireless keyboard and USB web camera. I still get the yellow ...
Juraj's user avatar
  • 1
0 votes
3 answers
3k views

Powering RPI 3 and using relay from same source

I want to build something of a smart home device such as a smart switch /outlet for example that controls something like a light. However, I don't know what the wiring should be Like, if it's possible....
Muaaz Kasker's user avatar
1 vote
1 answer
3k views

Usage of external HDD, power consumption

I'm thinking in getting a RPi+USB HDD to make a server in my office, it would be working 24/7 and the primary usage would be to storage backups which would be automatically uploaded from different ...
Mc Kernel's user avatar
  • 133
1 vote
2 answers
2k views

Low Power when 7" touchscreen display connected

I recently won a raspberry pi, and decided to buy the Elecrow 7" touch and the 9 layer case for my raspberry pi. The case works great, and the fan runs without problems off of the 5v+ground GPIO pins. ...
Minebomber's user avatar
0 votes
1 answer
3k views

Can I power a RPI3 from a USB-C 3A power supply and a USB-C to Micro adapter?

I'm a little confused by the power standards. as far as I can tell, USB PD (power delivery) specifies a maximum of 2.1A. The RPI3 requires recommends 2.5A, 0.4 more than the spec. Canakit's power ...
marathon's user avatar
  • 103
0 votes
2 answers
2k views

Converting 24V to 5V for GPIO power supply

in my project I have to power the Raspberry pi over the GPIO port. I know that the voltage must be regulated to 5V. My input is 24V so I have to convert it to 5V. I'm currently designing a PCB with ...
Majonsi's user avatar
  • 107
1 vote
3 answers
2k views

Powering RPi 4 Model B with 5v 3A Car Power Supply Module

I would like to use a buck converter between a 12V DC power supply and my RPi4, and found this car power supply to be appealing. It claims to step down from 12V to 5V 3A, which is almost the same as ...
YumekaMengjiaLYU's user avatar
1 vote
2 answers
2k views

Is the voltage from the Raspberry Pi 3's 5V Pin found in the 40-pin extended GPIO consistent? [duplicate]

I would like your opinion on the raspberry pi 3's GPIO, 5V pin. I am interfacing a motor controller board to the Raspberry Pi 3. The voltage requirement for the motor controller is 5V and the peak ...
J.Bryan's user avatar
  • 11
1 vote
2 answers
2k views

Pi3b power draw with ethernet and HDMI

Does anyone know what would be the max draw (With no peripherals attached) of Pi3b board when using ethernet and HDMI? WiFi and Bluetooth would be turned off. I would like to know if its reliable ...
Secto Kia's user avatar
  • 111
0 votes
4 answers
1k views

Power Requirement for Pi 3

I have a Raspberry Pi 3 Model B, and I wish to make a tablet with it. I am using the WaveShare 7inch touchscreen, the pi camera V1, a USB hub and an external CD/DVD drive. But when I got everything ...
overwerk's user avatar
2 votes
1 answer
1k views

Is having no red light normal while the RPi 3B works?

When I'm using my RPi 3B powered by the micro-USB port (5V 2.4A) and I happen to use a USB extender for the power cable, the RPi 3 seems to boot up and work fine except for the fact that the red light ...
RSS's user avatar
  • 21
2 votes
2 answers
693 views

Power multiple Pis through 5V GPIO and 5V wall wart

I'm considering making a Pi cluster (Let's say 8 Pi 3s), and instead of buying an 8-port USB charger and 8 USB cables of exactly the right length, could I use a powerful enough (8A?) 5V wall wart and ...
Luke Moll's user avatar
  • 747
1 vote
3 answers
3k views

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
1 vote
1 answer
1k views

Raspberry pi powering issues

I am using Raspberry Pi 3 with latest pixel image: Linux raspberrypi 4.4.21-v7+ #911 SMP Thu Sep 15 14:22:38 BST 2016 armv7l GNU/Linux In the right top corner of the connected lcd screen, there is a ...
Łukasz Przeniosło's user avatar

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