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8 views

12v DC proximity detector for use on truck (2-3 feet range)

Well after the 3rd time getting hit at work, this last time was major damage... of course no one said anything. I suspect that the issue is parking. The parking lot is a crappy design. Anyways, I ...
0
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0answers
9 views

execute my program when my Raspberry Pi boots up with time sleep 10

I am trying to execute my program when my Raspberry Pi boots up with time sleep 10. it workt only with time sleep: "time sleep 10 && ./DotNetConsoleApps/Tinkerforge/helloweatherstation" but ...
0
votes
1answer
12 views

How to send email from Pi using python without smtplib?

I am new in Raspberry Pi and I am trying to send mails without using SMTP. I have used SMTP before and it works perfectly fine. I just want to know are there any ways besides SMTP?
0
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2answers
16 views

How to implement remote control GPIO Raspberry Pi?

Good afternoon. I decided to build a small machine based on Raspberry, running through wifi. Wrote a simple web muzzle, which requests turn on and off the engines. Not sure if this is the best option, ...
0
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0answers
9 views

Raspberry PI4 slow ethernet

I have some issue with my LAN network with Rasberry PI 4. My network in PI has configuration: eth0: negotiated 100baseTx-FD flow-control, link ok when I run iper3 on PI: iperf3 -s a then on PC as ...
0
votes
1answer
16 views

Display a video at boot

we want to show a video in the entrance hall with the activities of our company. Now in crontab withcrontab -e i have this line to open the movie file that we want to show. @reboot vlc ~/Desktop/...
0
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0answers
9 views

How to connect Pi 4 to WiFi AP that requires web page logon

SCENARIO I have my headless RPi 4 running Raspbian Buster Lite setup as a NAT router, using the internal antenna wlan0 to connect to the WAN, and an external USB antenna wlan1 with its own SSID. I am ...
0
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0answers
12 views

is it possible to set up multiple ssids using rpi 3?

I have been trying to setup multiple ssid configuration in my rpi 3B so that my rpi can broadcast multiple ssid through the adapter present in the stock hardware itself. Does BCM43143 support it?
0
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0answers
20 views

PCF8591 with Analog Joystick I/O error when reading input

I have been trying to create a retropie unit, and I'm in the midst of writing a script to inject uinput events for the analog axis values. This is the code I've written so far, but the issue is that I ...
0
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0answers
11 views

Can't Access Octoprint web server

I have 2 octoprint instances running on my raspberry pi. One octoprint instance is running on port 5000, and the other octoprint instance is running on port 5005. On the raspberry pi, I can connect to ...
0
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0answers
9 views

Bluetooth hci0 device suddenly missing on 4B+

After a recent reboot of my 4B+ I noticed that my bluetooth connections had stopped working. I noticed that bluetoothctl reported no device, and further that sudo hciconfig hci0 up indicates Can't get ...
0
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0answers
6 views

Pi Zero (with pihole installed) refusing to connect to npm registry due to cert altname

I am trying to run npm install on a react project on my pi-zero. Since I have installed pihole, I understand my DNS settings may be pretty strange. I have tried running the install with pihole service ...
0
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0answers
6 views

Low Framerate in video recording using picamera

I am trying to record HD video using Picamera and writing it using OpenCV. But I am unable to get the desired frame rate (10 fps). I recorded the video of 1 minute but the video that was saved was ...
0
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0answers
30 views

Testbench for Raspberry Pi

I've owned Pi's since the first generation and have had various test rigs made from what I had to hand including stepping the voltage down from 12v and various bits of lego holding the components in ...
1
vote
1answer
9 views

Raspberri Pi (Raspian) running Apache 2, PhP(7) HTML CSS not running PHP

I am getting very frustrated with trying to track down the source of my problems with the code below. I believe it is something to do with php files not being run. (Note that all files are in the same ...
1
vote
1answer
25 views

How to make/develop android apps and use them with RPi4?

I am using Raspberry Pi 4 for a while with the latest buster release. I searched for a lot of questions and find that android development is not possible with raspberry pi. But I wonder, that both are ...
0
votes
0answers
15 views

How to prevent programs like Jenkins from stopping/sleeping/waiting

I know this is probably a silly question, but I'm trying to get Jenkins running on my pi for a project. I've installed jenkins, changed the port to 9080 and port forwarded so that I can view it ...
1
vote
0answers
8 views

Accessing PI camera from Android using Firebase

i am trying to send pi camera footage to firebase and access it from my android app, can this be done using realtime firebase database ?
2
votes
1answer
22 views

Autologin root user without login and password window

I've running last version Raspbian. Edit a file /etc/systemd/system/autologin@.service and changed the one occurence of 'pi' in that file to 'root'. Edit a file /etc/lightdm/lightdm.conf and changed ...
0
votes
0answers
14 views

ImportError:python2.7/dist-packages/RPIO-2.0: undefined symbol: makedev

I have a problem with RPIO. I am running a face recognition using OpenCV python on Raspberry Pi 3B+. pi@raspberrypi:~/facerec-pi/code $ sudo python capture-positives.py Tradeback (most recent ...
0
votes
0answers
10 views

Can't get OpenCV up'n'running in Raspberry Pi, what should I do? (details in the description)

I followed the whole tutorial (https://www.deciphertechnic.com/install-opencv-python-on-raspberry-pi/) line by line, but at the end when I imported the OpenCV library in Python CLI, it gave this error:...
0
votes
0answers
23 views

How do I read all registers of an INA219 sensor via SMBus in Python at once?

I'm trying to Connect my Raspberry Pi 3B+ with a Raspbian 10 to an INA219 current sensor (that also returns voltage and a premultiplied power) via SMBus in Python 3.7. After destroying one Raspberry ...
1
vote
1answer
30 views

Sending a binary data stream to a GPIO at a certain frequency

I would like to send a random binary data sequence to a rpi GPIO at a particular frequency and then read the data stream off a scope. Is there a way of implementing this through python?
0
votes
0answers
14 views

Unable to use I2S MEMS microphone in google duo web

I am using Adafruit I2S MEMS Microphone in raspberry pi 3 running raspbian buster. I installed it successfully following adafruit guide. It is working well for recording using arecord. My .asoundrc ::...
1
vote
0answers
32 views

Raspberry pi with 1.3" oled i2c screen

I'm currently trying to use this 1.3" i2c oled screen with the Adafruit oled i2c library, but I'm currently getting this issue: I have made sure to run the setup.py and all of the code is the same. ...
0
votes
0answers
18 views

Installation of kernel module for I2S Mic fails

I have a I2S mems microphone from adafruit. Now I am following the guide at https://github.com/nejohnson2/rpi-i2s#compile-the-i2s-module Now after I have mounted the debugfs I attempt to look for the ...
0
votes
0answers
8 views

how covert pyaudio sample rate 44100 to 16000 sample rate in Raspberry pi3 b+

Here I have provide the code which was working properly before but suddenly its stop working. But if I change the sample rate 16000 to 44100 its working. But i am not able to understand what exactly ...
1
vote
0answers
35 views

How to split a display into many and access all the screen

I'm trying to split the screen in raspberry-pi. and access each screen for each display I want the multiple layer in a single screen. Eg. my output screen resolution is 1024x720 in that i have to ...
2
votes
2answers
56 views

Reading R232 (Serial) from USB on Pi Zero

I know there are similar posts on this topic, but I've scoured them all and haven't been able to figure this out. I'm trying to control my projector via a R232 port. I have a USB to R232 cable, ...
1
vote
0answers
32 views

Can I use Raspberry Pi to log into an account and print information from a certain page?

I run a small gift basket business and am always looking for solutions to make my day easier. One thing that slows me down is having to print gift messages for each basket. I was wondering if there ...
0
votes
1answer
27 views

Is there a way to have USB data transferred from Pi to HAT?

I'm designing a Raspberry Pi HAT that requires USB for debugging. The 40-pin GPIO connector that connects the Pi to the HAT doesn't seem to have any USB designated pins. I would like to use the USB ...
2
votes
1answer
14 views

Server client connection recovering

I have Sever/Client sending data back and forth, everything works fine, until the client looses connection and tries to reconnect. When I run the project in the coding windows I can disconnect any ...
0
votes
2answers
31 views

Help Patching a driver

I've been tasked with updating a driver on a Raspberry Pi 4 running Raspbian. I'm told I need to apply this patch https://lkml.org/lkml/2019/4/1/1050 in order to get my USB modem to work. When I run ...
-2
votes
0answers
19 views

How to Save Raspberry Pi generated data to Central PC in same network

I have raspberry Pi3 which is collecting some data that i being stored in MariaDB but i want to store this data to a central PC instead of RaspberryPi as storage of raspberryPi is not large enough to ...
-1
votes
1answer
23 views

How to make lilypad temperature sensor work with raspberry pi zero?

I discovered a lilypad sensor thought of connecting it with raspberry pi zero to measure living room temperature. But lilypad sensor is analog input and pi doesn’t have analog pin. How can i make ...
0
votes
2answers
25 views

Is the Pi Zero software-equivalent to a 1.x B+?

Is it generally safe to assume that anything (software-related) that works with a Pi Zero will ALSO work with a 1.2 B+, or are there things that even the Zero can do that the old 1.2 B+ can't? Why: I'...
-1
votes
0answers
10 views

bridge repeater unsure what to call it

ok here is the set up router 1 ~~ pi ~~ router 2 ~~~ rest of the home router 1= public wifi (aka library) i need the rpi to pick the signal up using a [Alfa Long-Range Dual-Band AC1200 Wireless ...
3
votes
1answer
56 views

Do I need to do anything to install/run applications in 64 bit?

I've switched my Raspberry Pi 4 from 32 bit to 64 bit (Raspbian buster) by adding this to /boot/config.txt kernel=kernel8.img arm_64bit=1 This seems to work fine. I'm running docker and that has ...
0
votes
2answers
38 views

How am I supposed to set GPU memory in RPi4?

I am using RPi4 for a while and I found some problem playing videos on VLC and you-tube. After searching a long time I found that these problems can be solved by increasing GPU Memory. I found that ...
0
votes
1answer
21 views

How can you use pigpio to set a specific position for a continuous rotation servo?

Running my code with a normal 180 degree servo will move it to a user-specified angle and then hold it there. But when using a continuous rotation servo, it keeps rotating constantly for 500 <= ...
0
votes
0answers
16 views

Openmediavault Ststic Ip issue

I have strange issue with OMV installed in my raspberry Pi 3B+. I have setup a static IP 192.168.1.50 through Network->Interfaces page and it works fine. Problem starts if I reboot my Fiber Optic DBC ...
0
votes
0answers
32 views

Will LattePanda IPS display work with raspberry pi zero?

I have LattePanda but its connector to which we connect flex cable is broken, so i am thinking to buy a pi zero and use it instead to display graphs. However i am not sure if it will work.
1
vote
0answers
104 views

How to connect ST7789 LCD to Raspberry Pi

I'm trying to connect to this LCD ( sry 4 japanese page:( use translate plz ) This monitor driver is ST7789, 7pins.[GND VCC SCL SDA RES DC BLK] And now I'm connecting to pi like this https://imgur....
-2
votes
0answers
24 views

Why can't I get to the log-in screen?

An error just comes up stating that the password and username is default and needs to be updated. We can't make it into the initial setup. There's no space to type. What do I do?
0
votes
2answers
38 views

Raspberry Pi 3 B+ won't boot up after 1 week of use

So I just got a new raspberry pi 3 b+ earlier this week by RS Components and I got it working on the first day. A couple days I shut it down and later when I tried to turn it back on, it didn't all it ...
0
votes
0answers
30 views

USB powered sump pump

I have a USB powered sump pump plugged into my raspberry pi 4. Is there a way to program the turn off and on by including it in my program?
1
vote
0answers
16 views

Mounting all removable drives in one location

How can I automatically mount all removable drives in a folder (for example /mnt) and merge them together? I know merging multiple mounts is possible as per this question but I want to automatically ...
0
votes
0answers
16 views

Raspberry Pi4 Error while using 2 USB cameras, VIDIOC_QBUF: Invalid argument

I'm using Python OpenCV to read from 2 USB webcams on a Raspberry Pi4. If I'm using either of the camera individually they work fine. As soon as I initialize both cameras in the script as following: ...
1
vote
1answer
16 views

RPI official cam results in 256x192 resolution only [Motion]

I use motion to get data from my official rpi camera. This camera allows to use more than 256x192 px resoultion. Problem: Only 256x192 resolution seems possible, even if 1024 resolution is ...
0
votes
1answer
26 views

Raspberry Pi getting burningly hot and not displaying

I tried turning on my raspberry pi 3 b+ and it wouldn't show anything to my TV, the entire Pi ( mainly around the SD card ) was so hot I could barely touch it. Bare in mind the pi was only on for ...

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