Questions tagged [shutdown]

For questions pertaining to shutting down the operating system.

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2 answers
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pin state after shutdown

i am on Ubuntu 20.04 on RPI4. I am driving a 4 PWM motor driver using PWM on pins 22,23,26,27. When i turn off the raspberry, the driver being still powered, go off. I suppose some of this pins change ...
0 votes
1 answer
97 views

Shutdown safely raspberry pi without keyboard and network

A friend lent me a little used RPi 4B to try it before to buy it. I am not sure to buy it but for now I simply connected a display and powered it. By bad luck I noticed that my only monitor that ...
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1 answer
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Can the Raspberry Pi detect when the screen turns off for a script?

I’m running a Raspberry Pi in my car with an official screen (link: https://www.amazon.com/dp/B073S3LQ6Q/ref=cm_sw_r_cp_api_i_dl_ZSPC0NJXFQVBZ19PXGCP?_encoding=UTF8&psc=1). It’s for obd. When I ...
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0 votes
2 answers
261 views

Raspberry Pi Model 4 - Disconnects after a time of inactivity

I am running a small server with 6 docker services on a Raspberry Pi Modell B. After a short time of inactivity (and with that I mean no being connected via ssh) of approximately 20-30 minutes, my ...
0 votes
1 answer
231 views

shutdown/reboot raspberry using GPIO - doesn't work for me

I need my raspberry Pi to turn OFF automatically when I press a button, so I've forked the Adafruit-GPIO-halt project and created a slight modified version of it here. I've modified the C code and the ...
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0 answers
38 views

Most energy efficient way to perform periodic tasks on RPI ZERO W

I would like to make my Rpi Zero W execute a simple task (which takes an insignificant fraction of time to perform, <1s) using inputs from sensors exactly f times a day. I am wondering whether: ...
0 votes
2 answers
135 views

reboot raspberry pi supplied after shutdown

My Raspberry Pi is connected to the supply, and after shutting down, it is still connected to the supply and the red led is on. Is it possible to reboot the pi without removing the supply and without ...
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0 votes
2 answers
2k views

How to boot and safely shutdown with a button when WAKE_ON_GPIO=0

1. Description To boot and shutdown my pi I have been using a button shorting GPIO 3 an GND. However after shutting down the pi, the fan shim and HDD keep on running. To solve this I've edited the ...
1 vote
1 answer
44 views

my Pi-Top 3 wont power down on shutdown [closed]

I am running Noobs, it boots fine and runs fine but when I shut down the screen stays powered on, etc. What shout I tweak? I've already tried shutting down from the console, checked Hardware/software ...
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1 vote
2 answers
329 views

How safe is sudo halt -f to shutdown a RPi?

I realized that the shutdown process for my RPi sometimes takes a while (like up to 1-2 minutes) before the green ACT LED finally blinks 10 times and the RPi can be unpluged safely. However I am ...
-1 votes
1 answer
233 views

edit UPS HAT safe shutdown script

I write this since I need advice with an RPi Hat that I purchased and the assistance told me to find a solution myself! I purchased an UPS HAT (UPS3 from geekworm). I need to perform some actions ...
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1 vote
1 answer
518 views

RPi 4B 4GB: Excessive Shut Down time using the GUI shutdown

I have 5 - 4B-4GB's and 1-8GB systems. One of the 4GB systems is experiencing an excessive shutdown (power off) time of 4.5 minutes. All the other systems take about 15-20 seconds, all my systems ...
1 vote
0 answers
334 views

CM4 eMMC - safe shutdown / power supply schemes

I'm working on a design that uses a CM4 with eMMC and may (optionally) use an external SD card or USB stick for "user" file storage. The unit could (potentially) be hard powered-down by the ...
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0 votes
0 answers
412 views

RPI connected to a smart plug -> how to auto turn off plug after RPI shutdown?

In short: I was wondering if it is possible to send a command to a smart plug when the pi is good to kill it's power. background I'm running a 3d printer which I'm going to control with a rpi 4 using ...
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0 votes
1 answer
116 views

Shutdown from C program

I'd love to do a proper shutdown of the Pi from a program (written in C) so that the only thing left to do is pull the power plug. Is this possible?
-1 votes
1 answer
92 views

How to safely shutdown raspberry pi

I have a iono-pi which sits on top of the raspberry pi. I have connected this to a machine so the pi is getting power from the machine. When the machine starts for production, pi also starts and when ...
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0 answers
285 views

GPIO17 only works after calling 'GPIO.setup(17, GPIO.IN)'

I have a fresh installed RaspberryPi running Raspberry PI OS Lite (32-bit) from 2020-12-02 with a mounted OnOff-Shim. Starting the Raspberry via button works fine, but the shutdown sequence is not ...
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2 votes
2 answers
107 views

Upon shutdown of the pi, don't turn off the display until the very last moment?

I notice that a Pi 3B+ with the offcial touchscreen display will black/power off the display the instant that a shutdown command is issued, but it appears the Pi is still busy doing some things (what?)...
1 vote
0 answers
208 views

GPIO input, keep high after button press

Hi was just wondering if there was a way of making a GPIO INPUT (connected to a momentary switch) stay high (for a certain amount of time), no matter how long the switch has been pressed for? The ...
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2 votes
1 answer
611 views

Why does my Pi Zero keep shutting down by itself?

I am trying to make a smart plug that activates a relay when it receives a certain message via MQTT. It works, but the Pi shuts down randomly, both when the relay is active and when everything is just ...
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4 votes
1 answer
390 views

GPIO stuck high after shutdown/halt

I'm new to the world of Raspberry Pi, I'm setting one up as a little PC for a kid. I have a RPi 4 running Raspberry Pi OS, and I've build a case around this heatsink. I have created a simple circuit ...
4 votes
2 answers
11k views

Raspberry Pi 4 B GPIO boot and shutdown button(s)

I've been doing some research on power buttons for the Raspberry Pi, but I'm having quite a hard time finding information. Right now, I have button working on GPIO5, and when I connect it to the ...
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2 votes
2 answers
295 views

Safely unplug raspberry

I have a great software running on my Raspberry Pi 4 and we will send it to customers for production. The image on the SD card is Ubuntu. I would like to know if we can add any security to protect the ...
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1 vote
1 answer
110 views

Pushbutton -> print message and shutdown. Prints message only the first time

I wrote a small script to shutdown the pi once the button is pressed for 2 seconds. It should print a message and after one second shutdown the pi. I also have this script to run automatically on each ...
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-1 votes
1 answer
67 views

Can we make raspberry Pi plug and play type [closed]

I am using raspberry Pi as a webcam server in my windows PC. It is working fine and I am able to use my raspberry Pi camera in Skype, Google meet etc but one thing that I want to improve is ...
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3 votes
3 answers
1k views

Does Raspberry Pi 4 consume considerable amount of power in soft-off state?

In the Start menu (you know, the fruit button at the top-left corner), I clicked shutdown. I did not unplug the USB-C power cable. The red light was still on, but I thought it was like the sleep light ...
0 votes
0 answers
132 views

Remapping a key on a keyboard as dedicated shutdown button

I have a RP4 and want to remap a button from my keyboard to be a dedicated shutdown button. I don't really want to add an external shutdown/power switch to it since my power supply unit has a power ...
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1 vote
0 answers
252 views

GPIO Power off on shutdown with retropie

i asked this question before but i have added a diagram to explain it more clearly. I am building a retropie arcade machine with a raspberry pi. I have added a shutdown / startup button to shutdown ...
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1 vote
0 answers
357 views

How to cut power to gpio pins on shutdown

I am working on a project where i am using a pi running retropie to make a homemade arcade machine. i have wired and coded a startup/shutdown button. i would like to set up the pi n such a way i can ...
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0 votes
1 answer
160 views

Raspberry Pi 3 Model B: not booting Raspbian after shutdown

I installed the latest Raspbian on an SD card using Imager. The first boot: everything OK. Updates, installs, rebooting: worked perfectly fine. However, after shutdown, the screen is blank. After ...
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0 votes
0 answers
71 views

How to get AIY voice project to shutdown with button

Greetings fellow raspberry pi fans! I use this code for AIY VOICE KIT google assistant. This kit uses a raspberry pi to run google assistant. So basicly you can build your own google home and control ...
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0 votes
2 answers
2k views

How to add Capacitors to Raspberry Pi

My goal is to add capacitors to the Raspberry Pi power-supply. Currently I have my raspberry Pi plugged straight into a portable 5v battery, this works fine. However, I want to be able to swap from ...
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0 votes
1 answer
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My python script does not shutdown when started during startup

So I have a python script that starts as expected during power-on by following: Startup by systemd My Pi has a button connect to GPIO which is used to stop the logger and then shut down the Pi like ...
1 vote
1 answer
5k views

How to schedule raspberry pi to shutdown every day at a certain time?

I’m trying to schedule my pi 3b+ (buster) to shutdown automatically at a certain time, but it’s not listening to me. What am i doing wrong? Sudo crontab -e Then i add (nano) this to bottom of the ...
1 vote
1 answer
181 views

Automatically shutdown Pi 104 hours after booting?

I have a project where I'd like to plug in (to power) the Raspberry Pi, have it start running a Python program to write data to a USB stick, and shut itself down after 104 hours. It will NOT be ...
2 votes
2 answers
236 views

Running IRSEND through custom service

I am totally new to raspberry pi and I am trying to get the IRSEND command to work in my custom service. My objective is when my pi is about to shutdown or reboot that it would execute a shell script ...
4 votes
1 answer
635 views

Gracefully handle power loss Raspbian on a Pi Zero

I recently installed a Pi Zero running Pi-hole for my folks. They live in a rural area and only have a 4G Modem with a limited data plan. The issue, is that every now and then there are power outages ...
0 votes
0 answers
974 views

Raspberry Pi 4 shutdown with no Power LED (red) and no ACT LED (green)

I've recently modified my boot/config.txt to include the following lines: dtoverlay=gpio-poweroff,gpiopin=9,active_low=n dtoverlay=gpio-poweroff,gpiopin=10,active_low=n This works exactly how I ...
1 vote
0 answers
37 views

Change power key behaviour

I've paired a Bluetooth remote to a Raspberry Pi ZW with Raspbian Buster Lite. One of the buttons sends the power key on a long press. This causes the RPi to shutdown immediately. This is a bit brutal ...
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1 vote
0 answers
337 views

Raspberry Pi always reboots when trying to shutdown

I've been facing this issue for a long time and I haven't been able to find a working solution for it. I've found a few different posts online of people having the same issue but none of the solutions ...
6 votes
2 answers
3k views

RPi 4 consumes 2.5W when shut down

My RPi 4 consumes about 0.5A after executing sudo halt, while according to this post it should draw at least an order of magnitude less (0.069A). The green LED blinks several times then goes off, but ...
1 vote
1 answer
137 views

ssh, shutdown problem, pi 3B+

I could not find answer to my question reading the forum, Im having unusual problem with my new pi 3b+. I'm able to connect my Pi with ethernet cable, and I can ssh to it. So no problem with ...
0 votes
1 answer
445 views

Can GPIO detect if Pi is fully shut down?

Scenario: headless Pi. By glancing at the state of an LED that's plugged into the GPIO, I want to know if the Pi is fully shut down or not so I can pull the plug. For example: Pi on --> LED on. Pi is ...
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0 votes
1 answer
139 views

Pi 3 w/Pisound - Won't turn on unless wait a few minutes

I have a Pi 3 and Pisound (hat) and to turn it off I just unplug the cable. Now oddly, if I plug it back in right away I just get a red light, no blinking yellow BUT If I wait a few minutes to plug it ...
7 votes
6 answers
6k views

Is there a way to unplug the Raspberry pi safely without shutting down

I'm building a kiosk app for a raspberry pi, and the final intention is that it will sit in a pelicase with all the external hardware, with one power cord in. My program has a quit button which safely ...
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1 vote
1 answer
1k views

Run a script before blank screen on shutdown/reboot

I am trying to get my raspberry pi 3 (running Raspbian 10) to show an animation on boot and before shutdown/reboot. using Plymouth I managed to get the boot animation, however, it doesn't display ...
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4 votes
2 answers
4k views

What happens to the GPIO voltage after shutdown?

I don't have a Raspberry Pi laying around at the moment and I would like to detect if my Raspberry Pi is shuted down. My Idea is that maybe after the Pi shutted down the Voltage at the 3V3 pin will ...
2 votes
2 answers
1k views

Detect when the rpi3b+ has shut down

I have a pi in an embedded project. When the user turns the instrument off, I want to inhibit turning back on until the pi is done shutting down. I can do this with a timer circuit, but would like to ...
0 votes
1 answer
54 views

No video output on HDMI to VGA with shutdown commands

My Raspberry Pi has following issue: It doesnt make any video output after booting if shut down by command sudo shutdown -h now or by taking the plug out. However, if I send via SSH or by blindly ...
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0 votes
0 answers
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When is the RPi safe to power down? [duplicate]

My RPi3B+ is an embedded front end for a scientific instrument. I have an interface PCB with a 3amp 5v regulator, driven by a 48v supply. I monitor the 48v with ADC polled each 100ms, then sudo ...