Questions tagged [power-supply]
The methods for powering the Raspberry Pi (typically via its micro-USB connection.)
782 questions
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Recomended power cable for Rpi 3B+ and official 7" touchscreen [closed]
I have my pi 3b running picore player, with an allo digi-one hat and the official 7" touchscreen.
I have tried using the "official" power supply (x2) individually to the touchscreen and ...
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How do I interpret the bytes from a VIN of a PMbus of a PSU [closed]
I have a raspberry pi that is set to read bytes from a PSU. I was wondering how I should covert the bytes into decimal?
I am trying to read the input voltage value that is going into the PSU.
The data ...
ajax spencer
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Raspberry Pi 4 doesn't show anything on screen a short while after installing the OS
I installed the 64-bit Raspberry Pi OS onto a Raspberry Pi 4B model very recently. Everything worked fine, I installed vscode in it and updated the libraries. However, after shutting it down once, I ...
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What type of power supply can I safely utilize with my Raspberry Pi 2B?
What types of power supplies can I utilize with my Raspberry Pi 2B? My understanding is that most recommend at least 5 V. Can I provide it with more volts than 5? Or would that destroy the device?
As ...
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Does a Raspberry Pi 5 needs the exact voltage for optimal functioning?
Question 1:
I'm planning to power a Raspberry Pi 5 with my old 33W mobile charger. I know that voltage rating is what that matters rather than ampere rating.
This is the rating of my mobile charger: 5-...
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Burnt USB C port
I was using my Raspberry Pi 5 as usual (just a headless file server with only one USB SSD drive connected) when I lost connection a few times. When I checked the status light, it was turning on and ...
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Raspberry PI with a Waveshare UPS (D) and a PICAN-M hat
I have a RPI 4 that i'm using on my boat to run OpenCPN.
On it I have a WaveShare UPS (D) Hat with 2x 21700 batteries. The power connection to the Pi is via POGO pins connecting to the 40 pin header ...
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How to decouple USB power and OTG on RPi4 USB-C?
I want to use USB-OTG on my Raspberry Pi 4, but I want to have a possibility to cut the power off and thus force reboot of the device.
Currently my RPi is powered via Power pins in 40 pin GPIO headers....
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Power consumption question
I am currently trying to run an RPI 4B off a simple UPS cable I made from a power bank. How many Mah of power energy will it take to run at 30-50% of its maximum power per minute, so I can calculate ...
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Powering Raspberry Pi 5B with li-ion battries: Pi 5 just won't boot, stops booting mid-way
I've been pulling my hair for a couple of weeks now. Changed batteries, changed BMS, changed step-down module. No avail.
I am trying to run RPi 5B with 4 li-ion cells in 2S2P config. 2S2P -> BMS -&...
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Advice needed on how to connect a 12V solenoid valve to a Raspberry Pi
I'm a begineer to using the Pi and want to build a simple watering system for some plants. I know there's lots of online articles but looking for some clarification on exactly what is needed. Here's ...
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Powering the Pi and 6 accessories?
I am wrapping up my first Raspberry Pi project. The final version needs to control 3 28BYJ-48 stepper motors and 3 hall effect sensors. In my PoC (with a single motor and hall effect sensor), I have ...
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Video glitching and gpio pin problems. Faulty Pi or low voltage?
I have 12 externally powered neopixels connected to one of the gpio pins of my RPi3B+ which in turn is powered by a (supposedly) 2.5A power supply and hooked up to a small 1024x600 LCD display (...
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Using a Raspberry Pi Pico on a motorcycle lights/blinkers: how to power and use I/O?
I'd like to build a "smart" blinker for my old motorcycle, as the original one can't handle LED bulbs (not enough power consumption) and also i want to increase functionality.
It should keep ...
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Can't power RP4 from same active hub the peripherals are connected to
I'm building something NAS-like with a RPI4 Model B Rev 1.2 and 2 hard disks. I'm using an active hub for the hard disks and wanted to power the RPI4 from it as well. Here is how I wanted to wire it:
...
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Underclock / tune Raspberry Pi 5 to keep 2 amps power supply limit
As the minimal requirements for Raspberry Pi 5 is 5V / 3 amps, better 5 amps, this is a very unusual supply on USB-C with not so many options to find a matching supply (despite the recommended one).
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Pi Zero and Pi with UART connected: crash on linked device power on
I have a Pico W running some app, and I use a Zero W to log (via UART) what is going on for debugging purposes.
The Zero W is configured so that UART0 is the primary UART, and the UART pins are ...
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Powering a RPi 4 a 6V Peristaltic motor (~4mA) and 2 12V Peristaltic motors wired to 8 Relay module from 12V variable power supply
I am creating a smart garden panel basically which is incorporating a RPi 4 as the brains and has 3 peristaltic motors. 2 of which are 12V and 1 is 6V which draws about 4mA of current to run, this is ...
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How to power a Raspberry Pi 4 through usb c or gpio pins?
Hello everyone I am running into some kind of problem. I want to power my Pi 4B+ through the GPIO pins via a buck converter but it just wont work.
I used the LM2596 non adj 5V buck. In its typical ...
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Spec for the power requirement of a Raspberry Pi-3
I am using a Pi-3 with a relay board to control my gate. The gate doesnt have the facility for automation, so I have the relays, effectively pressing the buttons on a remote.
The Pi, relay board and ...
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Raspberry pi Zero W reboot after USB is disconnected/connected
I am using raspberry pi 3b+ and Zero W and a Waveshare 7 inch capacitive touch display.
I am trying to turn off the back light of the display in various following ways in both the Pis. So if the turn ...
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Phone charger power supply for raspberry pi 4
I have a Motorola power supply with output: 5v 3a 15w or 10v 2a 20w or 12v 1.67a 20w. My question is: can I use this power supply for my raspberry? Or is there a risk that it could be burned or ...
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Servo freezes after continuous activity
I have a Miuzei MG90S 9G Micro Servo connected to a Raspberry Pi 4.
I am powering the servo through the Pi's 5V pin.
The Pi itself is powered by the CanaKit 3.5A USB-C Raspberry Pi 4 Power Supply, ...
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Raspberry stuck with red light (no green light) after trying to connect with 7inch display and GPIO
I bought a Raspberry 5: I run the first configuration and everything seems to work. in the past, I had purchased the official 7-inch display for a Raspberry 3: however the display cable (the flexible ...
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UART Issues without USB Power
I'm experiencing an issue with UART communication when I attempt to power the RPi over the 5V pin instead of the USB port.
Here's a rudimentary look at my setup:
RPi 3B -> Teensy 4.1
GND -> GND
+...
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Alternative Power Supply for Raspberry Pi 5 with 67 watt
I don't know why, but my original Raspberry power supply doesn't work anymore.
I found a power supply at home, but it provides 67 watt instead of the original 27 watt. Is this a problem or could using ...
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How to safely power PI Zero 2W from external supply via +5V and allow USB connectors to be used
There are other posts indicating that bad things can occur if you are providing 5V from the external connector and plug in a USB cable with its own 5V supply. Various solutions have involved cutting ...
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Is the Raspberry Pi 5 Power Supply Compatible to the Pi 4
I need a new power supply for my Pi 4.
Somewhen I will use a Raspberry Pi 5, but it needs the quite special Raspberry Pi 5 power supply.
Is the Raspberry Pi 5 PSU (officially) compatible to the ...
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What is used to power the Raspberry Pi 4B?
Just got a Raspberry Pi 4B, 4 GB, (first time), and have been having fun trying to figure out what it takes for power. According to the extension kit I got, Raphael Ultimate Kit for Raspberry Pi, it ...
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Connecting 40+ transmitter coils to Raspberry Pi
I am currently working on a school project to make the wireless charging platform
from scratch but with more surface for originality. My current design requires 42 transmitter coils and these coils ...
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Quick way to maxise power usage on the RPi Pico without external HW?
I'm looking at powering a Pico over USB and I'd like to temporarily boost input current high, hopefully beyond 200 mA, certainly beyond 100 mA. What's a good way, programmatically, preferably from ...
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Ground offset when powering devices directly from 5VDC transformer
I am reading in current sensor (ACS712 20A) values using the MCP3008 ADC into my rpi zero. I am also using a Songle SLA-05VDC-SL-C relay, and have found that both the current sensor being on, and ...
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Power Pi 4 from Viewsonic touchscreen
I have a Pi 4 connected to a Viewsonic Touchscreen monitor.
The monitor has a USB C output that the monitor user manual shows being used to power a laptop. I am trying to use this USB C output (...
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Raspberry Pi Zero - 5 or 5.1 volts?
I am doing a little project where I power Raspberry Pi Zero from motorcycle battery (even when the bike is running). I have a step down converter which is set to 5V between the battery and Pi. But I ...
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Controlling and Powering 12v LEDs
Disclaimer: this is my first PI project, and at the moment I have only a basic knowledge of circuitry, so please be gentle.
I'm looking to construct a device using a PI 3B+ that'll be housed outdoors ...
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Can I use this power supply?
Abandoned post by Unregistered user.
The maximum power supply for a Raspberry Pi 4 is 5V/3A but here I have a 5V/3.1A power supply. Can I use this power supply? Will I fry my Pi 4?
Below is a ...
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Can I use this fast charger for my Raspberry Pi 4? [closed]
It is a fast charger and says 5V/10W and also says 45.0W MAX? Please help me out.
I don't know what to do. Will it destroy my Pi 4?
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Can I let my RPi power off randomly?
I am placing my Raspberry Pi 4 in an embedded application on my boat. I am using a PICAN-M HAT to provide both connectivity to the NMEA2000 backbone, as well as power to the Pi (5v 3A).
The NMEA2000 ...
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Raspberry Pi Camera feedback freezes when moving NEMA 17 stepper motor with A4988 stepper motor driver
I have a Raspberry Pi with a camera module and a NEMA 17 stepper motor connected to it. When I run the command ffplay /dev/video0, the video runs perfectly. However, whilst the video is running, and I ...
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Does Pi draw more power when GND is connected to pin 16?
Strange question perhaps, but I was wondering if anyone knows if a Pi would in theory consume more energy when the GND pin is connected to pin #16? I have an interactive piece of software running on ...
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Can my charger power Raspberry pi 4?
I am new to Raspberry pi and I wonder do I need to buy a charger because in my country they cost a lot and when I examine my charger I saw that 5V 3A and I thought Raspberry pi 4 charger is 5V 3A too. ...
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How do I prevent raspberry pi automatic turn on when I connect the power plug?
I connect the power in plug. After that raspberry pi automatically turn on .
But I want it to be on when I press the button, how can I do this?
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Powering RPi 4B via USB-C Intermittent
The USB-C port on one RPi 4B is not making a good connection. If I apply side pressure to the USB-C power cord, the connection is made, and the RPi powers up, but when I release pressure it dies again....
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Raspi can'to connect to Wifi with Power Suply ~5.3 V via USB-C
"I have a PSU that delivers ~5.3 V on USB-C.
With this PSU, my Raspi does not connect to the Wi-Fi network. However, with another PSU that delivers ~5.1 V, the Raspi connects without any problems....
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Undervoltage with 5V 5A PS
I know this is a subject that is exaustive and at risk of sounding ad nauseam I have to ask because I have no solutions. My pi is reporting undervoltage. I haven't ran into this since using a Pi1 ...
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Separating power in Pi Zero when using the Pi as a HID that must be working without shuting down
I asked an AI:
When you use raspberry pi zero w as a HID, is it necessary to connect the pi to a machine via a single micro usb cable, for the power and the data connectivity? Does that mean that ...
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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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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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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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