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1answer
230 views

Can´t run 192.168.45.34/cgi-bin/script.py from another pc

I can run my python script locally from console terminal, but when I try to run it from another pc I get Internal Server Error-500, This is the script I tried to use os, commands and subprocess and ...
-1
votes
0answers
9 views

how to send and receive ascii values using my Pi3?

I am working with a project where i need to read data from my device(i.e ADAM 4520)using serial to usb converter. 1st i tested with my PC using hyper terminal and with Raspberry Pi 3 using GtkTerm,it ...
1
vote
1answer
384 views

How to start xorg on a physically connected display via SSH?

The pi is configured to start into text mode so that no xorg libraries are loaded during normal operation. Yet I would like to be able to occasionally run a xorg desktop session when connected to an ...
1
vote
0answers
9 views

RasPi Drive RB-01 C073A

Does anyone have info on the RasPi Drive electronic controller motor Driver? I can't find information on how it should be connected between the RP 3 and a small DC motor.
3
votes
2answers
72 views

Rpi reading only zero output results from SPI 10-bit ADC MCP3008 problem

I am attempting to make a temperature monitor based on these links: 1. https://bitbucket.org/pschow/rpiadctherm/src/dbfe8101eeb4/basiclogmcp.py?at=master 2. https://www.paulschow.com/2013/08/...
0
votes
0answers
16 views

Console Font Recommendation

Can anyone help me find a console font that is wider that it is tall? When I change the console font, there are some choices like VGA, Terminus, etc. All of these fonts have choices like 8x8, 8x12, ...
1
vote
1answer
547 views

Raspberry Pi 4 NAS power supply requirements

I'm working on a Raspberry Pi 4 NAS server and I found a power supply (5v 3A) on aliexpress: https://s.click.aliexpress.com/e/NedqZhCc Is the power supply going to be capable of supplying my NAS ...
0
votes
0answers
10 views

Object detection on Raspberry Pi 4B causes it to crash and reboot

I am trying to do object detection with openCV on images already saved on my raspberry pi's file system, but the system reboots when I run the following python script: import cv2 as cv import ...
0
votes
0answers
5 views

Autorun Python script with Pyserial on Startup with Crontab

So I am looking to do something that I thought was simple.... I just have a script that imports and uses pyserial and I want it to run automatically when the pi is booted up. I have an LED rigged up ...
0
votes
1answer
180 views

How many amps does a pi with 11 sensors need?

I have received so much support from this community by reading already answered questions. But now I got one that hasn't been asked yet. I have nearly a dozen sensors connected to my pi 3 so it's only ...
2
votes
2answers
5k views

Is there a specific download for 64 bit Raspbian?

Is there a specific download for 64 bit Raspbian? Since Raspberry Pi 3 is 64 bit, but there is only one download for Raspbian available, is there a 64 bit version? Or, am I just confused and they ...
0
votes
0answers
10 views

How to set NTP client on RPi-4 to point to a local IP on my lan?

I'm putzing with RPi-4 with (I guess) stretch and initially both the NTP= and Fallbackntp= lines of timesyncd.conf are hashed out. Yet service ntp status shows it soliciting 10 pool servers. When I ...
0
votes
1answer
253 views

running python script as service and calling functions from another program

I have a python script to control some LEDS. In a compiled c++ program I have been calling python scripts like so in various places: system("python /home/pi/leds_flash.py") system("python /home/pi/...
1
vote
1answer
20 views

Raspbian Buster - Open chromium without showing desktop

I am trying to open and view a website in chromium on the startup of the Pi. Currently, I have it in the /.config/lxsession/LXDE-pi/autostart file to open chromium when the system starts, but this ...
1
vote
2answers
408 views

Raspberry Pi 3 B+ won't connect to WiFi

I got new internet so I tried to connect my Pi to the new internet by modifying /etc/wpa_supplicant/wpa_supplicant.conf and now it looks like this: ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=...
0
votes
1answer
1k views

How to boost bluetooth range?

I have had some success connecting to my Bluetooth devices but only when I'm in the same room as the Rpi. This limits the utility somewhat... I had hoped to be able to use them anywhere in my home. I ...
2
votes
4answers
5k views

Do I need soldered headers or can I just use male breadboard pins?

I have a project that I want to make using the VEML6075. Are the pins shown below stable when plugged in or do I need to solder them or something? If I don't use that group of 5 pins, can I just use ...
1
vote
2answers
51 views

So, the apt-get update does work on rasbian

Everytime I try to run this command , this is what I get: Reading package lists... Done E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied) E: Unable to lock ...
1
vote
1answer
369 views

Adding gcc compiler to Poky image for raspberry Pi

I am using raspberry Pi 3 running a poky image built using the Yocto project. Is there any possible solution to add gcc compiler to the image? I found the cross-compilation very complicated and ...
2
votes
1answer
34 views

Possible dead Raspberry Pi 1 B

My first ever owned Raspberry Pi suddenly died yesterday. I had it working non-stop for like a month until last Friday (I had to hot unplug it). Since I did a lot of troubleshooting in the previous ...
-1
votes
0answers
18 views

Local only html for small static offline map [closed]

I've been given the ironic project creating an IOT, to present in a University that doesn't allow "things" to have internet access on the network. Fun times... Long story short I came to the ...
1
vote
1answer
269 views

Raspberry Pi to decode and encode TV

Is there a way for a Raspberry Pi to decode a TV signal coming through an antenna cable and vice versa: encode a video signal (from the internet) and display this on a TV with an antenna connection?
2
votes
0answers
17 views

Raspberry Pi 4 wont connect to 2.4ghz WiFi

I am attempting to connect to my RPI 4 to a 2.4GHz wifi signal, but it doesn't connect or provide any error messages. Instead it just remains disconnected. Oddly enough, connecting to any 5GHz signal ...
1
vote
3answers
43 views

Display html page content before reboot

I have a raspberry with lighttpd and php. Now I want to display webpage content before the raspberry is rebooting when I click on a link. I have create the page below. But when I load the page it isn’...
0
votes
1answer
19 views

What type of programming language/software should I use to make games on my Raspberry Pi? [closed]

For Christmas I received a Raspberry Pi 4 Model B, and I have been looking at some projects to make with it. One that I was interested in the arcade machine project, but most projects suggest getting ...
0
votes
0answers
17 views

How can I turn off auto response? [closed]

I want to send a string to the raspberry but when I do that I get a response that the command does not exist so I cannot receive the string in my program. Is there a way to turn off this response ...
3
votes
1answer
1k views

How do I create a bridge interface on a Raspberry Pi?

I need a bridge interface for LXC networking to work. Normally I just do something like this in /etc/network/interfaces: auto br0 iface br0 inet dhcp bridge_ports eth0 But Raspbian uses dhcpcd. ...
0
votes
0answers
16 views

Run blender 2.8 headless on pi?

I am trying to run blender 2.8 headless on raspberry pi 3b+ running raspbian. I have downloaded the Linux version from the blender website. But whenever I open the executable called “blender” in ...
0
votes
1answer
85 views

Raspbian and .net core

I have a problem. I have newest raspbian, and I have installed .net core 2.1 on it, well everything looks fine until i reboot pi. After reboot .net core command stops to work and i have to add ...
0
votes
0answers
12 views

Raspberry Pi Model 3B [ BUSTER LITE 10 ], Unable to get static IP working properly

The Issue I am a web developer so basically a newbie at networking. I am working on a kiosk application which requires to start a chromium browser loading another web page which is not being served ...
3
votes
1answer
181 views

working with sparkfun tmp102 temperature sensor over windows 10 IoT

I'm looking for help in communicating with the sparkfun tmp102 sensor via windows 10 IoT UWP app on a raspberry pi 2. I've already found this tutorial: https://jeremylindsayni.wordpress.com/2016/06/...
1
vote
3answers
72 views

Raspberry Pi Security Issues: SSH ATTACK? Case Study

This might be a long post so please bear with me. This is a scenario that took place a year back when I had very almost no knowledge of raspberry pi. Right now I am trying to learn some stuff about ...
2
votes
1answer
69 views

Raspberry PI 3 B+ 5g wifi problem

raspbian 10 buster. i tried to connect 5g but it didnt ever see the hotspot. i changed wi-fi county to US and it helped. now it discovers the hotspot and i can connect to it but connection breaks ...
3
votes
5answers
798 views

PWM output using RPi

I've been working on a project using the Pi ... I need to give PWM output but every one says that only one GPIO pin is compartible with PWM but i need 4 is there any way to give PWM output using 4 ...
0
votes
1answer
128 views

How can I create a bridge to eth0 with the following network configuration?

I followed this tutorial so I have a network with two wireless interfaces, wlan0 working as a access point and wlan1 working as a client from another router. How can I bridge wlan1 to eth0 without ...
9
votes
1answer
1k views

Autologin into a webpage via the default GNOME-Webbrowser

I'm trying to call an HTML page like this with the Raspbian's default web browser and it leads me just to the default login-page. Neither does it with Midori on the desktop. When calling the exact ...
0
votes
0answers
29 views

USB and ETH drop

I have a Raspberry Pi 4 running the latest buster. Had an event where the USB & ETH (no wifi on this one) dropped at the same time. No idea why. Of course, since I don't have to automount enabled,...
4
votes
1answer
294 views

How to make sense of this Raspberry Pi project guide for building a theremin?

I have just started out using a Raspberry Pi, and for my first project, I wanted to build a pseudo theremin using an ultrasonic motion detector and other electronic components (requirements are laid ...
3
votes
2answers
6k views

Cut GPIO power on shutdown

I'm developing a project where I have a button connected to the Raspberry Pi GPIO where it sends shutdown command when pressed for 3 seconds. I also have a 16x2 LCD that outputs status messages. When ...
0
votes
1answer
392 views

Cannot update my raspberry pi

I try an update on my new raspberry pi 3. I did sudo apt-get update and I've got "0% mirrordirector.raspbian.org" Internet is ok but when I ping mirrordirector I've got 13 packets transmitted but 0 ...
4
votes
2answers
4k views

Output power of the Raspberry Pi Transmitter

I have figured out how use the Raspberry Pi to transmit FM Radio, but I also know that this is illegal. All transmitters over 500mW required a licence. What is the output power of the Raspberry Pi (in ...
5
votes
1answer
287 views

Wi-Fi transfers hang on Raspberry Pi 3

I was trying to transfer a 50 MB file to my Raspberry Pi 3 via samba and I noticed that after few seconds the transfer slows down until it stops, same thing via scp. It starts but after few seconds (5-...
1
vote
1answer
21 views

Higher resolution framebuffer modes?

I have a raspberry pi plugged into a 3440x1440 monitor. Without setting any explicit framebuffer_* options in /boot/config.txt, it comes up at 1184x624. The display is crisp and legible but individual ...
5
votes
2answers
4k views

Raspberry Pi 4 VNC Remote Connection Desktop Error

Surroundings Raspberry Pi system: Raspbian Buster with desktop Direct connection using fiber Problem VNC connection remote desktop error: cannot currently show the desktop, I have enabled VNC and ...
0
votes
2answers
18 views

will not boot after edit to wpa_supplicant.conf

I added another network setup to the wpa_supplicant.conf and then did a `reboot. The pi boots to a point where it failed with a message about Bluetooth unable to complete. I am unable to get to a ...
0
votes
1answer
178 views

Raspberry Pi 4 no wifi after update && upgrade

I am new to Raspberry Pi and Linux. I followed all the setup guides and have a 4" touchscreen with a case. I downloaded MPI4008-4.0inch-2019-07-10-raspbian-buster.img and flashed it to SD. I had to ...
0
votes
1answer
327 views

Inconsistent ifup

I'm working with a raspberry pi 3 running a fresh install Raspbian Stretch Lite. Basically my problem is that the pi inconsistently connects to our network. I've been running sudo ifdown wlan0; sudo ...
1
vote
0answers
24 views

Connecting circuit with raspberry pi

I have a dedicated circuit which has an proximity sensor and every time it detects object the motor is rotated. I want to connect my raspberry pi with it and control the motor as well as the proximity ...
2
votes
0answers
26 views

Measuring temperature at a distance with an infrared sensor - Missing lens?

Not sure if this is the ideal stackexchange for this question but I didn't know which other one it should be. I am trying to measure temperature at a distance via an infrared sensor with a Raspberry ...
0
votes
2answers
261 views

Error installing lirc on raspberry pi 3

I would like to install lirc on my raspberry pi 3B+. Unfortunately there is an error message when installing with apt-get. I just reinstalled raspbian using Noobs to avoid any problems due to changed ...

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