Questions tagged [power-supply]
The methods for powering the Raspberry Pi (typically via its micro-USB connection.)
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Which micro usb port if preferable to power pi zero?
Pi zero w has pwr micro usb and normal micro usb. Both of them can be used to power the pi.
What is the safest way to power pi zero w, via pwr micro usb or data micro usb?
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orange pi 5 boost up issue [closed]
I am a newbie using the orange pi 5 board, or any kind like this.
I have a boost-up issue, I connect to the power supply and only red light is on (on the board) but when connect the display by HDMI-...
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RPI fails to boot after reboot; ok after unplug
Four of my five Raspberry Pi boot flawlessly upon sudo reboot; one fails. This RPi, but none of the others, has a Hifiberry Amp2 mounted on the GPIO header.
I suspect for the below reasons that the ...
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3
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Powering Pi 4B with dead PMIC
One of my many Raspberry Pi 4's in one of my clusters recently broke down. After some troubleshooting, I was surprised to find out, that the power circuit on the board was actually toast.
I have no ...
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External hard drives keep getting unmounted
I have an OpenMediaVault NAS on top of the Raspberry Pi OS Lite set up on my Raspberry Pi 4B.
I have two 1 TB Toshiba HDTB410XK3AA hard drives connected to the Pi through a powered USB hub.
Now I am ...
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Is my Raspberry Pi original?
I recently bought a Raspberry Pi 4 Model B. This is the first time I have bought a Raspberry Pi. As per my understanding, the recommended power supply is 5.1V / 3A. I am using a different power supply ...
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Current draw Raspberry Pi 4 measurement results. Does anyone have more data?
I thought this would help with designing HAT power. Does anyone have similar measurements while running software and connected devices?
Scant information on the current draw. I measured through the ...
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How to support the power supply of servo motors using an ordinary AC-to-USB adapter?
I normally power my Raspberry Pi Pico via a USB connection to my computer. However, when working with servo motors, the motors can draw quite a bit of power, destabilizing the USB communication ...
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Power Pi Pico by applying 5 V to VSYS—any experiences with or thoughts on additional safety measures?
The official Pico datasheet chapter 4.5 suggests using either a Schottky diode or a P-channel MOSFET (P-FET; or a combination of both) when powering the Pico from an external power source (at least if ...
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RPi can't boot up from battery, needs to be connected to USB-c then while the battery is connected disconnect power supply USB-c
I have noticed that my Pi will not boot from a battery (supplying 5.26v Raspberry Pi 4 Model B) unless I first start it up from the USB-c power supply and then connect the battery power supply. My ...
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Powering GPIO-interacting sensors with external 3V3
I am using a Raspberry Pi Zero, with an x706 PSU hat (2 x 18650 batteries). The X706 PSU is charged by a good quality, stabilised 5V power supply unit providing up to 3A. The Pi is hooked up to many ...
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How best to run a raspberry Pi 4 from a 12V DC supply
The Raspberry Pi 4B uses the USB-C input as its power supply. To the best of my knowledge a full power USB-C supply is 20V or is it any voltage up to 20V?
If it's variable, is there a good way of ...
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Maximum power draw on Pi Pico 3.3V rail with USB power
The Pi Pico datasheet recommends a maximum power draw on the 3V3 pin (pin 36) of 300mA. However, the RT6154B datasheet indicates that up to 3A can be drawn when Vin > 3.6V, which is the case when ...
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Insufficient power for RPI + 7" Touch Screen
I have a raspberry pi 3B. It is connected to a 7" RPI Touch screen, (made by RPI). The screen gets 5v from the pi and the pi is connected to a 5v, 2.1A USB power pack.
For some reason the power ...
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raspberry pi 3 B v1.2 not booting no led light and heating on the backside
I haven't used the pi for a few month now , it was stored in good condition. so yesterday i flashed the SD card with rasbian bullseye and booted up the pi. every thing was normal except the wifi , i ...
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Strange voltage on 3.3V pins
I have bought a new Raspberry Pi 4 and while troubleshooting connection to a DAC module I measured the voltage at 3.3V power pins. With reference to the pin header number as shown on the diagram below,...
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Raspberry Pi 4 wifi intermittent latency drop
I'm running Ubuntu Server 20.04 headless on a Raspberry Pi 3 and 4. SSH connection is through a wireless router with only my laptop and the Pi connected. Pinging the Pi (192.168.0.215) shows the ...
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Monitoring power consumption of a Raspberry Pi 3B+ device
I am wondering if it is possible to measure the power being consumed by the CPU core (ARM chip) of a Raspberry Pi? Specifically, I want to monitor this power consumption for various applications that ...
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Do I need a on and off button for my power supply?
I purchased this power supply https://www.raspberrypi.com/products/type-c-power-supply/. It’s the official power supply so I thought it would be good. Now I am hearing all these stories about what ...
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Difference between Pi3 and Pi4 RUN headers?
I am trying to disable boot when pi4 plugged to power. I found some usefull answers, but that answers are about pi 3. I am using pi 4 and I must connect together 2 RUN header pins. In pi 3 RUN header ...
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How to disable boot when plugged to power? [duplicate]
I want to disable boot of raspberry pi 4B when plugged to power
I have searched a lot and found a similar question, which gives a short and suspicious answer to this problem. If two RUN pins(holes) ...
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Is 4A enough for a NAS?
I have recently turned by Raspiberry Pi 4B into a small NAS. However, I noticed that the Pi disconnects from Ethernet from time to time. Whenever this happens (e.g. ssh not responding or Pi not ...
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Raspberry PI4 + Coral TPU + Telit LTE get "Under-Voltage"
I am using a Raspberry PI4 powered by the Raspberry power supply(5.1V,3A) and I have also a Coral TPU and a Telit Lte Modem attached on Raspberry USB 3.0 Ports Hub.
According with the Coral Power ...
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3 12V DC motors on raspberry pi with L298N
Completely new to this stuff. For context, I am trying to connect 3 DC motors that probably are 12v. I haven't bought them yet, they will definitely be more than 5v. I want to be able to control all ...
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Raspberry Pi 4 WiFi and Ethernet stop working after a ribbon cable plugged in to custom HAT
I have been struggling with a strange issue where as soon as I plug a ribbon cable into a custom designed HAT (with nothing connected on the other end), the WiFi and Ethernet temporarily go down.
My ...
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Send power on/off/cycle command from one Pi 4 to another Pi 4 using GPIO (each having their own power supply)
I would like to control power of a Raspberry Pi 4 using another Raspberry Pi 4.
Each Raspberry Pi is powered by its own official Raspberry power supply, to make sure each one gets enough power.
It ...
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Turn on pi at specific time with RTC to save battery
I'm looking into powering my raspberry pi via a powerbank. I already have a button and a relay to turn it on manually and when the pi shuts down flip the relay back to off position. Now I would like ...
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How much overvoltage for a few ms
i'm trying to build a system with a Raspberry Pi and 2 switchable 5V DC Batteries (USB Powerbanks). I want to switch using Arduino and Relays.
I would like to switch almost instantaneous, in order to ...
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Is it safe to power a Raspberry Pi Zero W with a Fritz!Box USB-port?
As many others im getting a Zero W for PiHole and i would like to power it using the usb-port of my wifi router. However, im concerned about undervoltage. I read the Zero W wants 1,2A, but usb 2.0 ...
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Calculating power adapter needs for my Compute Module 4 setup
So I'm finding it a little difficult to figure out how I should be powering my setup. I'll have Waveshares IO board here: https://www.amazon.com/gp/product/B08VJBGD1Q/ref=...
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USB power stay on after software shutdown?
When the RPi4 does a soft shutdown, it appears to leave power on to the USB ports. Is there a way to have the USB ports power off with the RPi?
I’m building a project with a Waveshare touchscreen that ...
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2
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Can I power a Raspberry Pi 400 with a 5V 2.5A power supply?
I have Raspberry Pi 3 B+,and I'm considering upgrading to a Raspberry Pi 400. I understand that it is recommended to use a 5.1V 3A power supply, but can I use the 5V 2.5A supply I already have?
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Can sensor DHT22 be powered externally, and only read by Pi Zero W?
I am querying the DHT22 for temperature and humidity data, hooked on a Raspberry Pi Zero WH. My current setup works, and is as shown in the first picture, courtesy of the tutorial from PiMyLifeUp.
...
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How to turn on a remote battery-operated Raspberry Pi (accessible by Wifi or SSH)?
I am running a cluster of Pi3 and Pi4. Each node runs on a battery and is powered by a solar panel, in a remote area like a farm with no grid. Pis are connected to each other by WiFi in a local ...
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2
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Undervoltage warning with original powersupply
I am running into the issue of getting the undervoltage detection on my Pi 3 B V1.2 while it is connected to an original psu (which provides 5.1V/2.5A).
The psu definetly works as intended (I tested ...
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2
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Cut power supply to pi after shutdown and power on after button press
I am building a pi project that is battery powered and is powering something through the 5V GPIO. What I want the pi to do is to start up on a button press, do its thing and turn itself off again ...
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RPi Zero 2 W monitor image lost during boot [closed]
TLDR: RPi Zero 2W outputs image only for a few seconds then stops
My brand new Zero 2W is having issues with the monitor image.
During boot I can see the init messages going by and at some point ...
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Powering a Pi 4 with a small power bank [duplicate]
For my project SamplerBox, I had done many extensive tests in the past and it was possible to successfully power a RPi 2 for multiple hours with such a small 2600mAh power bank (18650-battery inside), ...
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Power supply for this cluster?
I have this cluster, composed by:
1 Rpi4 Model B
2 Rpi3 Model B
1 Rpi3 Model B+
I don't neither the skills nor the tools/components to implement a DIY solution, so I would like to buy something that ...
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Is there any advantage powering up a RPi 4B with a PSU rated for 8A @ 5V?
I have a Raspberry Pi 4B 4GB RAM variant that will be running 24/7 with the following attachments:
an ethernet cable leading to a router for internet connectivity
a 2.5" external HDD attached ...
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Can I use USB 3.0 port to power RPI4 + external SSD?
On the Pi-4B, can I use one of the USB 3.0 ports for power, instead of the USB-C port?
I will be powering the Pi-4, an SSD drive (Sabrent 512GB Rocket Nano), and a Conbee II — which btw currently ...
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Low voltage warning powering Raspberry by means of power bank
I'm trying to power my Raspberry 3 model B by means a Catlyn Power Bank 10000mah just purchased and seems to work fine with an iPhone 11.
The problem is that when I connect it to Raspberry, even if ...
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Is it safe to power Raspberry Pi Zero 2 W directly from computer?
A great feature of the Raspberry Pi Zero is that you can tether it to a PC, Mac or iPad Pro by connecting it directly to a USB port. It can act as a USB-Ethernet-adapter and you can ssh into the Pi.
...
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Power Monitoring Physics Experiment
Hi i am just planning a Physics experiment where i accelerate Ionized Gases onto a target sample.
For this Experiment i need to monitor the power constantly over a week or longer.
For my later data ...
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Phone charger for powering Pi 4?
I just bought the Raspberry Pi 4 Model B 2GB RAM and I forgot my charger at my house which I won't be able to get to in a few weeks.
I was wondering if I could power the Raspberry Pi using a phone ...
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Can I use a 3A/5V phone charge for powering my pi 4?
I have a completely fine and working type C charger with a stable voltage supply. The concern that I have is that my pi 4 is going to run 24/7 performing web scraping and analysis. Surely I have a ...
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Power supply for stepper motor driver board
I'm doing a project where I wish to use 5 stepper motors simultaneously. I've ordered these (with driver board included) https://www.amazon.ca/gp/product/B015RQ97W8/ref=ppx_yo_dt_b_asin_title_o01_s00?...
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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
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After shutdown/poweroff command, is it possible to damage a pi (4) by leaving the Powercable in?
So I have a Raspberry Pi 4 type C 5V 3A adapter plugged into the power extender thingy at all times.
My question is, once you type the poweroff command into the terminal and see the device turning off,...
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1
answer
203
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raspberry pi prevent overload current from turning on a high current motor
I am trying to use only 1 power supply instead of 2 to power Raspberry Pi and motor, but when I turn on the high current (>10A) motor, it will lead to the Raspberry Pi restarting. I guess it is ...
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