Linked Questions

-1 votes
1 answer
164 views

Raspberry PI Portable USB Charger [duplicate]

I bought a $5 usb charger that I am using to power my Raspberry Pi. The charger works decently but I am noticing that every once in while the raspberry pi will reboot. I have read that some chargers ...
sirshakir's user avatar
-1 votes
1 answer
2k views

GPIO solution to power Pi [closed]

Looking for a GPIO solution to power a Pi 3 B+. Basically, trying to bypass the Pi micro USB connector. Also, any suggestions on hardware to build a compact, inverted, USB male right-angle ribbon ...
Al Keegan's user avatar
-1 votes
1 answer
2k views

Raspberry Pi Low Power Warning

RPi Model B+ Raspbian 7.11 Kernel 4.14.41-v7+ I've been getting low power errors during startup (lightning bolt), and continue to see them in my syslog. I have tried multiple different USB cables, ...
iwantmyphd's user avatar
-1 votes
1 answer
144 views

Pi b+ power issues?

I have a raspberry pi b+ with raspbian stretch. My power adapter is rated at 5v 1.5 amp. I have a monitor and network cable connected, USB keyboard, USB mouse and 2 USB cameras connected via the 4 USB ...
Rithika Chowta's user avatar
-1 votes
1 answer
90 views

Powering External Devices

I am wanting to use a Raspberry Pi 3 to communicate with two Texas Instruments CC2538s (over serial USB), I am wondering if the RP will be able to provide enough power over its USB ports to power ...
Campbell Wray's user avatar
-1 votes
1 answer
156 views

LEDS Connected to GPIO [duplicate]

How many LEDS can be connected and ON at once to the RPI GPIO without burning out the system?
LilVinny's user avatar
  • 440
-2 votes
1 answer
57 views

I want to power RP3B+ with gpio but not sure about the circuit

I got a 4 battery holder (4-Way 18650 Battery Holder from Dfrobot) And I'm wondering do I need a resistor to power the rasbery pi via gpio 5v pin. Or do I need something else for this power supply The ...
Balvey's user avatar
  • 1
3 votes
0 answers
191 views

Pi 3 - insufficient USB power available for dual-band Wi-Fi adapter?

This question says "How much current can draw from the USB ports? ......The limit for Pi3 is 1200mA." However, my Rosewill RNX-N600UB Wi-Fi dongle will only operate in the 5 GHz band when plugged ...
tim11g's user avatar
  • 267
1 vote
0 answers
255 views

rPi 3b only boots with 5v power through the 3.3v GPIO

I'm in need of some explanation as my Pi is acting weird (to my limited knowledge at least) It will only boot when i suply it with 5v/GND through the 3.3/GND GPIOs. The pi boots when i connect 5v ...
krasatos's user avatar
  • 203
1 vote
0 answers
162 views

Pi 3 WiFi drops

I use Raspbian Lite on my Pi 3 and have a problem where I can't access it remotely anymore - at some point. I use wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf in my /etc/network/interfaces (I ...
user avatar
0 votes
0 answers
137 views

Voltage drop at 5V pin when drawing current with DC motor

I encounter a power behavior for my Raspberry Pi 4B that I struggle to explain. I try to power a (geared) DC motor using the 5V pin. DC motor is rated for 3-12V (preferred 6-8V) and is claimed to draw ...
adelille's user avatar
0 votes
0 answers
47 views

My Raspberry pi keep show msg : low voltage warning please check your power supply [duplicate]

I have Raspberry pi 3 , and I am using its power supply which give 5V -2.5 A , the problem is that the raspberry Pi keep show this message : low voltage warning please check your power supply
0ussama's user avatar
  • 11
0 votes
0 answers
66 views

Is the low voltage danger only during boot or during operation too?

I went to an authorized reseller, but they gave me this charger for my Raspberry Pi 3B. I used Etcher to write the August 2020 version of RPi OS to the SD card and it boots fine. However, during boot ...
Nav's user avatar
  • 101
0 votes
0 answers
378 views

Mounted USB to SSD drive locks up

I am using a Raspberry Pi 3 B+ with the official charger running Raspbian Stretch Lite (Debian Version 9.4, Kernal 4.14.34-v7+ #1110) with MariaDB (Version 10.1.23) and I am trying to import a 52GB ...
A Dark Divided Gem's user avatar
0 votes
0 answers
1k views

Disable Power Over HDMI

I built a Retropie using a PI Model 3B that is powered via the GPIO pins. Specifically with this case which adapts micro usb to the GPIO power. Everything works fine except when I turn the system off. ...
Jon Doe's user avatar
  • 101

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