All Questions

Filter by
Sorted by
Tagged with
0
votes
0answers
6 views

vsftpd server over ngrok

How would you configure a vsftpd server over ngrok on my pi? I know you can go pfw your router and etc, but my ISP doesn't allow me to. Currently I've set both listen_port and ftp_data_port to 201. ...
1
vote
1answer
12 views

I2S 3W Class D Amplifier and 2.2“ SPI-Display (ILI9341) - GPIO 18 Problem

I want to connect the Adafruit I2S 3W Class D Amplifier Breakout Board and an 2.2" TFT Display (ILI9341) to a Raspberry Pi Zero. However, it seems that by default both components use the GPIO 18 (the ...
0
votes
0answers
6 views

Pi Camera v2 Capture Photo without warm-up

I want to a project that capture some photos at a time. After taking photos i will send theese pictures to a windows platform to encoding. I saw so many examples about taking photos but i every code ...
0
votes
0answers
11 views

Dokuwiki install is getting a 502 gateway error from nginx

Goal: install dokuwiki on my raspi 3 Method: Using This tutorial to install Problem: I'm getting a 502 error from nginx when I try to run the install script. Configuration: eth0 is set to a static ...
0
votes
0answers
12 views

How should I move pi-hole from lighttpd config to a url the load from /pihole instead of website root?

By default when I installed pihole and lighttpd on my raspberry pi it took / as the default root location to load pi hole page and now everything of pi-hole sits under /var/www/ sa shown below: /var/...
0
votes
1answer
20 views

proxy arp / briding wlan0 and uap0

I try to setup a raspberry zero as repeater. First i used that guide : https://kaiuwe.hüber.de/raspberry-pi-wifi-repeater-ohne-adapter/ But it's not a real repeater , but setting up a secondary wlan ...
0
votes
1answer
30 views

Slaves on i²c bus aren't detected

I'm currently trying to get multiple i²c slaves with the same address working without the use of a multiplexer on a PI Model 3b. I followed this instrutable for the creation of a second i²c bus: cd /...
0
votes
1answer
27 views

Rocket Chat Installation HTTPS with Caddy error

I followed the installation instructions listed for the Raspberry Pi version of Rocket Chat on Github. The software installs properly. However, I am having an issue enabling HTTPS using caddy. The ...
0
votes
2answers
11 views

Cannot connect to Xserver during CLI boot

so i want to autorun my python script after boot in a CLI boot however it seems that its giving me an error "Cannot connect to Xserver". My python script uses a camera i used crontab to autorun my ...
0
votes
0answers
21 views

My screen turns off and I want to disable this feature

I am a total newbe but I have many years in the computer business so I have some technical knowledge. I just purchased a Pi4, 4gb beginners kit including official PS, cables and Noob card and ...
0
votes
0answers
19 views

How to set up Raspberry Pi as wireless station after setting it up as access point? [closed]

I found this tutorial for setting the Raspberry Pi as access point, but I don't know how to set it back to wireless station as before to connect it to a wireless network. Can anyone tell me how to do ...
0
votes
1answer
19 views

Booting from network and installing os

Is it possible to download any suitable os from network and install it same way like using pxe boot on pc? Update: Reason for that is saving time when installin multiple Raspberries without need ...
0
votes
3answers
39 views

Which services on the Pi are mandatory and optional?

I am looking to make the Pi more responsive by disabling unneeded service. I am looking to disable services in /etc/init.d (and anywhere else if there are other places) and want to find a list ...
1
vote
1answer
39 views

Destination host unreachable, Pi not connected to internet

I'm using ssh to connect to the Pi from my MS Windows PC, and I'm using a wired connection to do so. Now the problem is even though my Pi is connected to wifi (which provides internet access), it ...
0
votes
1answer
11 views

I'm using my Pi as a seedbox using Deluge - how would I create torrents to add to the seedbox?

I have some files on my Pi that I would like to upload and seed to a private tracker but I don't know how to go about creating the torrents on the Pi itself. I can access the seedbox through Deluge on ...
0
votes
1answer
26 views

How can I get out of a try function in python? [closed]

What's up you guys, I'm having problems with the function try and except,what I want to do is: check if connection with internet exists, if so, it sends data by URL, if it isn't, it saves data in a ...
0
votes
0answers
35 views

Setting up the second PWM channel from kernel module not working on RPI 3 model B+

I'm trying to set up both PWM channels (PMW0 and PMW1) on my Raspberry Pi 3 Model B+ from my kernel module. I've successfully set up channel 0 with the desired frequency and variable duty cycle and I'...
0
votes
0answers
21 views

Raspberry Pi 0 W SPI ioctl() call failure

I'm trying to setup my Rasperry Pi 0 to use two SPI ports simultaneously I need such configuration since I need: to connect this board trough ETHERNET to a local LAN; to collect video stream from a ...
1
vote
1answer
13 views

What is the frequency and cycle length of the pigpio library?

I've got a raspi 3b with an esc and a brushless motor attached. I can run the motor using pigpio the following commands: # First start the pigpio daemon sudo pigpiod # calibrate the esc pigs s 12 ...
-1
votes
1answer
41 views

Stepper motor vibrates, does not turn

I´m working on a simple project for school now and I have to use a stepper motor, but it doesn´t turn. The LEDs go on, the motor gets hot and the motor vibrates. When I adjust the sleep/function, the ...
1
vote
1answer
50 views

SIM800 GSM Module To Raspberry Pi UART Serial Communication Problem

I am new to Raspberry Pi Zero and I want to connect it with a GSM module for GPRS connectivity. I bought the SIM800A GSM module but its LED is not even blinking one single time. I am able to turn on ...
1
vote
1answer
25 views

Unwanted extern hard disk 's name changes

I try to make my external hard disk a permanant one on a Raspberry Pi 3 b+. After editing the fstab file, It was working. However I don't know why but some times the hard disk which name is DiskExt/ ...
0
votes
0answers
31 views

How do I find what serial port is in use? [closed]

I'm connecting to a flight controller with a serial port on a raspberry pi 0. Pins UART tx and rx to be exact. To communicate, I have to specify the port that the flight controller is connected to. ...
1
vote
1answer
60 views

Need advice for connecting multiple arduinos to raspberry pi

I have a project in hand where I need to connect 5 arduinos as slaves to Raspberry Pi. Load Cells, Reed Switch, Solenoid lock will be connected to each of the arduino. The arduinos need to send the ...
3
votes
2answers
1k views

Where are the uarts on the raspberry pi 4?

The raspberry pi 4 has at least two uarts (as shown here), I know where I can connect to one of them. Pins 8, 10 and 12 have a uart as an option. Source: This site describes accessing uart1, where ...
3
votes
1answer
45 views

Does directly connecting pins fry the Pi?

As a followup to this question: Can I safely connect two GPIO pins to each other (ie. for testing purposes)? And can I safely connect an input pin to either +VDD (3.3 V) or to Ground? Or do I need a ...
0
votes
0answers
7 views

Fail to boot without udev hook [closed]

I was trying to make a minimal initramfs when I remove udev hook, the raspberry cannot mount mmcblk0p2 as root. It seems it was trying to mount before the device is initialized, how to fix this?
0
votes
1answer
21 views

Remote access SSH with PIVPN on RI3

I have a raspberry3 to my workplace and it is connected to internet by the LAN network. I want to access to the pi-hole interface remotely from my home and by ssh for any configuration on it. I ...
0
votes
0answers
37 views

Issue with I2C communication with raspberry pi and arduino

I am new to I2C communication and python coding so please bear with me if my question is naive or my code looks very bad. I am able to achieve I2C communication between raspberry pi and arduino and ...
0
votes
0answers
35 views

How to set the USB port name in raspberry pi 3?

I'm using 2 ports such as /dev/ttyUSB0 and /dev/ttyACM0, but when I remove one of this ports and put it again, the port's identification changes. How can I force a name to my fisical port in order to ...
1
vote
1answer
24 views

How to fix duplicate console when using TFT monitor?

Using a 2423 PiTFT monitor from Adafruit. Trying to set up my Pi so that it displays a console without auto-login at boot while allowing me to run chromium-browser using xinit. I followed the guide ...
0
votes
1answer
38 views

Pi 4 insert and remove usb

I have 2 questions - apologies if they are trivial. a) when I shutdown my pi4 the led goes out but comes back on soon after. Is this ok/ normal? b) I use the GUI and have had a USB stick corrupted. ...
0
votes
1answer
49 views

RPi 4 not connecting to Wifi

I connected my RPi 4 B with Raspbian OS to my home network successfully. After rebooting, it just did not want to connect again. I have re-installed Raspian without any success. It does however, ...
0
votes
0answers
36 views

What does amixer cset numid=3 3 do?

In order to solve missing audio via HDMI with Raspberry Pi 4B (Raspian Buster) I came across amixer cset numid=3 2 which didn't do the trick for me. But randomly I checked numbers from 0 to 4 and ...
0
votes
1answer
36 views

How to install gcc 7 and g++ 7 on NOOBS_v3_2_1 version..?

The preinstalled gcc version on Noobs 3_2_1 is 8.3.0. I would like to downgrade or install 7.4.0 version on it. When i try to run sudo apt-get install gcc-7.4 I get Below error. E: Unable to ...
0
votes
0answers
19 views

Distorted sound using VOIP and ReSpeaker HAT

I am using the ResSeaker HAT on my raspberrypi 3. After installing the drivers im able to record the sounds using the inbuilt mic and play it from my speakers (using the command arecord -f cd -Dhw:1 | ...
0
votes
2answers
43 views

Why are some services only listening on IP6

I have previously asked a question Cannot remotely connect to pigpiod (now deleted) but never resolved the issue. This is a more generic question. sudo ss -lntp State Recv-Q Send-Q Local ...
0
votes
0answers
35 views

PWM without root access (Navio2)

We use the Navio2 sensor hat from Emlid. These boards are used for a class where students develop flight software (not using Ardupilot or PX4). We roll our own framework which provides some basic ...
0
votes
0answers
21 views

Raspbian keeps erasing from sd card

I left a raspberry( which I'm connected to using ssh on PUTTY) to run an apt-get dist-upgrade. After ten minutes the raspberry connection has been aborted and I was unable to reconnect to. Almost ...
1
vote
0answers
42 views

RASPAP and Pi-Hole

I have RPI 3B+ with lastest version of raspbian and I have installed RASPAP (default settings) and it works very well. I have internet :) IP: 10.3.141.100/24 GW: 10.3.141.1 Today I installed Pi-Hole, ...
0
votes
1answer
97 views

Raspberry pi 4 hdmi screen is blank

I have a raspberry pi 4 using the latest Os but I cant get anything to display on my monitor the monitor I am using is MCT101HDMI-A I have tried another monitor and it display works so I know nothing ...
-6
votes
2answers
53 views

How do I connect Raspberry to power? What kind of cord would I need?

I am looking forward to buying Raspberry Pi 3 from Amazon. I want to test Windows 10 IoT. I am wondering what kind of cable do I need to connect it to power. How much energy does it need? Should it be ...
1
vote
0answers
25 views

How to compile firefox nightly on Raspberry Pi 3?

I am running ArchLinux ARM on the Raspberry Pi 3 model B. I would like to install Firefox nightly on the raspberry pi 3 model B. I can find similar questions on the internet, but most of the answers/...
0
votes
0answers
36 views

Two Raspberry Pi on one router

I have the following: A router with external ip address 209.xx.xx.xx. This router forwards to the ip address of the first rpi (rpi#1) (ports 80 and 443 to 192.168.1.170) and a random port (1234) to ...
0
votes
0answers
14 views

Pairing Rpi and windows PC for bluetooth over serial

I am currently working rpi 3B+ and windows system. thing is I want to use bluetooth over serial to windows PC. Before that happens RPI and Windows must be paired first, that is not happening at the ...
0
votes
1answer
69 views

Connecting multiple sensors to Raspberry Pi 4 B

I have a Raspberry Pi Project in mind but I'm completely new to this matter and have literally no idea. My plan is to create a transportable Weather Station (which includes a temperature sensor, air ...
0
votes
0answers
24 views

Unable to ping from the Revolution Pi Connect (Raspberry pi based IIoT device) to PC?

Before going ahead what is the problem I am facing let me give you a hint about the Revolution Pi Connect an IIoT device based on Raspberry pi:https://revolution.kunbus.com/tutorials/uebersicht-revpi-...
0
votes
0answers
38 views

How can I create an encrypted container on a Raspberry Pi 4?

I'm looking for a tool similar to Veracrypt, Boxcryptor or Cryptomator which runs on the Raspberry Pi 4 (armv8). The above mentioned apps don't seem to support the arm architecture (or at least not v8)...
1
vote
2answers
20 views

Start smartcard service at startup in a raspberry pi

I have a raspberry pi connected to smart card reader (OMNIKEY 3121). I installed all driver and libraries needed. In order to use the card reader it is necessary to activate its service: sudo ...
0
votes
0answers
14 views

respeaker HAT and voip using raspberrypi

I am using the respeaker HAT on my raspberrypi 3. After installing the drivers im able to record the sounds using the inbuilt mic and play it from my speakers (using the command arecord -f cd -Dhw:1 | ...

15 30 50 per page