Questions tagged [pi-3b+]

Use for questions specific to the Raspberry Pi 3 Model B+

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33 views

SPI connection Between RaspberryPi and MAX4896 8-channel relay and load driver using Python

I have an automation project which I am currently working on and that can be summarized as the title says: Connecting a MAX4896 8-channel relay to the RaspberryPi 3B+ through SPI and using Python. ...
0
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0answers
28 views

NFC tags in raspberry pi

I'm working on a NFC study. My development environment is as follows. raspberry pi 3 B PN532 NFC : https://www.sunfounder.com/pn532-nfc-module-for-raspberry-pi.html Android Phone (app name :nfc-tools)...
0
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1answer
21 views

Can I power up the PI with the LDO MIC29300

I am using the MIC29300 https://www.microchip.com/wwwproducts/en/MIC29300 in my circuit to generate a 5V signal to my ADC (works fine now) Would it be possible to grab that 5V line and have it ...
1
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1answer
27 views

Bridge WiFi with ethernet on RPi 3B+ without NAT

I would like to bridge eth0 and wlan0 on Raspberry Pi. The connections are as follows: ________________________________________ | RPi ...
0
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0answers
17 views

Storage Options for Frequently Updated Files [closed]

We are using a Raspberry Pi for an embedded software device. We are looking for what storage options we can use, as it seems SD Cards are corrupting often. The way our system is set up, the storage ...
1
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1answer
23 views

Can't get the msodbcsql package for Debian 10

I am currently attempting to set up my 3b+ (which runs on Raspbian Buster) to work with a database I have set up on Azure. I already downloaded the pyodbc package, but I can't seem to get the ...
0
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1answer
28 views

How to publish results on the Web from local MQTT non-Internet network?

I'm making a project where I have a local no-Internet MQTT network (scheme below). Devices (except for RPi 3B+) needs to work outside so I can't provide them Internet access. The purpose of RPi 3B+ ...
1
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1answer
44 views

How to convert a Layer 3 VPN to a Layer 2 VPN?

I have been back and forth with some users here about creating a VPN using my Raspberry Pi 3 as a hotspot (OpenVPN client) but being able to bridge it to my other Rasperry Pi 3 at home (OpenVPN server)...
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0answers
32 views

Pi not copy+pasting correctly

My raspberry pi is not copying and pasting correctly from thonny to python2. It thinks I want more than one prompt for when I copy 1 thing. Here: code: >>> client = pytumblr.TumblrRestClient( ... ...
3
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2answers
40 views

Ambient operating temperature

Will the raspberry pi be able to operate with an ambient temperature of between 50c to 80c? The model we are using is the raspberry pi 3 b+.
0
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1answer
30 views

RPi is not finding packages libapache-mod-php5 and php5

It is not finding these packages. Does anybody know why? It is not finding the installation candidate. Here is the result of sudo apt-get install libapache2-mod-php5 php5: pi@raspberrypi3:~ $ ...
3
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1answer
43 views

How to control Odrive with Raspberry pi? [closed]

How to interface Odrive with RPi? didn't find much information on the internet so want to know who has done something like this before. trying to use this code:- import odrive import time import ...
0
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0answers
18 views

Insert real-time sensor data without using a csv file and display real-time accuracy

Hello guys im having a problem about inserting real-time data directly without using a csv file and dislay real-time accuracy of the data Here's the Program : import os import time from numpy import ...
7
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5answers
1k views

RaspberryPi 3 B+: RPi restart whenever I tried to run two webcams simultaneously

I have a very strange problem with my RPi. Whenever I tried to run two webcams simultaneously, RPi restarts itself. A few months back I can run two webcams simultaneously without such a problem (same ...
2
votes
1answer
21 views

Motioneyeos Download Help

Does anyone know of a way to download motioneyeos without using Win32DiskImager or Etcher? I am trying to download motioneyeos using a raspberry pi, and can't find a way to use a disk imager. Does ...
6
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4answers
1k views

Performance differences running Raspbian from USB flash drive versus SD card

I want to run Raspbian from a USB flash drive on a Raspberry Pi 3B+. What would be the performance difference in doing so, as compared to running Raspbian from an SD card?
-1
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1answer
58 views

RPI3B+ Chromium Freeze - RAM Swap

I have some Raspberry pi's that I want to use it as a Browser Kiosk. When I use more than one tab with chromium the pi completely freeze I need to reboot it after this because the lack of ram, if I ...
1
vote
1answer
57 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
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0answers
33 views

Connecting circuit with raspberry pi

I have a dedicated circuit that has a proximity sensor and every time it detects an object the motor is rotated. I want to connect my Raspberry Pi to it and control the motor as well as the proximity ...
2
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3answers
97 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 ...
0
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1answer
41 views

GPIO pins lose voltage when connected

I am still a beginner in raspberry pi world. I have a 3 B+ and a small water pump that can work with 3V to 12V, and a multimeter that I use to measure voltage. First when I measure voltage between ...
0
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0answers
33 views

OpenCV2 ---> OpenCV4

I have been working on a project from github, https://github.com/twilio/wireless-security-camera, that utilizes OpenCV. Now I haven't played much with OpenCV so this is trial and error on my part. ...
0
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1answer
169 views

Windows 10 on Raspberry Pi 4?

The RPi 4 B with 4 GB of RAM has been released quite a while ago and out of curiosity I was thinking about if it could run Windows 10. There is a video about the pertaining topic but Windows 10 seems ...
1
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1answer
50 views

SIM900A with Raspberry Pi 3 Weird Error and Behaviour

I am working on integrating Sim900a on Rpi3B. As usual connecting to TX->Rx, Rx->Tx (GPIO14, GPIO15 in Rpi) - following diagram from this link: How do I connect GSM SIM 900A to a Raspberry Pi 3? When ...
-1
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0answers
12 views

looking for preconfigured 2player arcade with trackball

im looking to find if anyone built a 2 player gaming arcade w usb encoders and an additional usb trackball for pi that has the joysticks/trackball working. im either looking for a working image, ...
1
vote
1answer
42 views

Auto run python program upon boot up of raspberry pi

I have done up a real time GPS python program with raspberry pi3b+ and Adafruit GPS module, the program can run manually when connected to monitor. I would like to auto run it once the raspberry pi ...
0
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0answers
66 views

ValueError: Could not find a format to read the specified file in mode 'i'

I am trying to run this code from here on RaspberryPi 3 B+: https://www.datacamp.com/community/tutorials/tensorflow-tutorial For a reason I cannot understand it throws this error: "Could not find ...
0
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1answer
19 views

Unable to expand SD Card for RT-Linux Image created using Yocto

I am creating a minimal image for my Raspberry Pi 3b+ with an Preemptive RT Linux Kernel using Yocto Project's warrior branch. I was able to create a base image for the same (bitbake -k core-image-...
1
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1answer
36 views

Consistent filesystem corrruption

It seems that recently my SSD began to get corrupted almost every time I shut my Pi 3B+ down, and on boot I get: [ 4.503731] sda: sda1 sda2 [ 4.511049] sd 0:0:0:0: [sda] Attached SCSI disk [ ...
0
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0answers
19 views

ALSA lib bluealsa-pcm.c:219:(io_thread) PCM FIFO write error: Broken pipe aplay: pcm_write:2053: write error: No such device

Bluetooth Error Device: Rpi 2 2014 Model B Ver 1.1 also Rpi 3 Bluetooth Headset JBL Everest Elite 750NC Bluetooth Adapter Panda Wireless PBU20 command line: aplay -D bluealsa:DEV=C8:DF:84:20:...
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0answers
43 views

Is there anyway to make Logitech Flow (move between individual pc's) work on a Raspberry Pi? [closed]

Basically, I just bought this mid-range mouse that I am trying to take full-advantage of. One of the many features is "Logitech Flow". Essentially you can hook multiple computers together and move the ...
0
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0answers
26 views

Socket communication between Pi and Arduino

I'm a beginner with Raspi and I would appreciate your advice and input on a project I'm working on. Hardware: Raspi 3B+ with latest Rasbian, Arduino MKR 1000 I have a bunch of sensors attached to ...
2
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2answers
47 views

Unable to use Chromium browser

I have a Raspberry Pi 3 B+ with Raspbian installed. I use it headlessly with Remote Desktop Connection with Windows 10. After I log on to the Pi, my home screen shows up. If I run the Chromium browser ...
0
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0answers
24 views

Unable to SSH into RPi using Public/Private keys “Server refused our key”

I am using Windows 10 and Raspbian Buster on a Raspberry Pi 3B+, and am unable to use keys to login to the Pi. I get the error "Server refused our key" every time. I have created public and private ...
2
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3answers
54 views

Ribbon Cable for bridging the headers of Raspberry pi and Custom hats

Hello I am in need of a ribbon cable for my custom pi hats. The problem with ordinary ribbon cables such as this I could not make it to align the rows of the pins will get swapped because of the ...
0
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1answer
49 views

Signal generator connected to raspberry pi via USB

Ido connect to the device from my raspberry pi and able to send commands. The power consumption of the SG is 2.5 W. That means that the current of usb port should be 2.5 / 5 = 500 mA. >>> ...
2
votes
1answer
78 views

What does the raspberry pi “Run…” thing do?

I bought a raspberry pi a few months ago and i'm curious what the "Run..." thingy does.(see image) I was able, to write in some commands but i'm not sure, what it does with it... Can someone please ...
1
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0answers
17 views

Starting transmission causes drive to unmount

I have a drive with media files. It's mounted on /media/pi/media. The drive unmounts whenever I start the torrent client transmission. Why? Details I have previously run sudo chown -R pi:pi /media/...
1
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0answers
71 views

LXDE autostart takes too long to start chromium-browser

I am trying to start chromium-browser via ~/.config/LXDE-pi/autostart. The command is as follows: @chromium-browser localhost/scada --kiosk --incognito The problem I am having is that it takes ...
0
votes
1answer
51 views

LXDE crashes randomly

I've been using this Pi for a while now, and only recently this problem begins to happen: I'm doing some programming (Geany, lxterminal, pcmanfm are running) and then suddenly the icons in lxpanel ...
0
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0answers
18 views

How to add the hfp/hsp profile based speaker for input (speech recognition)and output simultaneously?

I m trying to make kinda type of assistant out of my raspberry pi 3 b+ model and so bought this Speaker . So that I can use it to give audio input as well as get the output at the same time . But I'm ...
1
vote
1answer
55 views

While loop picking up button press twice with gpiozero

good morning! I've been working on some python (pretty new to the language) to control some buttons and LEDs utilising gpiozero and I've run into a few issues which I've been trying to troubleshoot ...
2
votes
1answer
42 views

USB device not found in lxsession mode

When I use the desktop mode of Raspbian, I can find the connected USB device on my Pi in this path: /media/pi/'My Usb Disk' But when I use chromium web kiosk mode and lxsession I cannot find the ...
-1
votes
1answer
269 views

How to install Kali Linux on a USB for the RaspberryPi?

Boot stuck at "random: crng init done" while using balenaEtcher or Win32 Disk Imager to flash Kali onto a USB. Device: Raspberry Pi 3B+ Image: kali-linux-2019.4-rpi3-nexmon.img.xz from offensive-...
0
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0answers
21 views

Bridge between Twilio API/phone line and closed circuit 20v intercom

Question about how to achieve the below using a Raspberry PI. What hardware would i need to buy and is the below possible? I have a closed circuit intercom system in my house. This is a video ...
0
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0answers
27 views

Pi stopped booting after loosing power - can it be recovered

I have had a pi running as a bluetooth link to a meat curing machine and it's been awesome! The thing has run without issues for like 45 days. Well today I decided to move it to a new room and so I ...
2
votes
1answer
126 views

Rpi3B+ Buster WiFi 5GHz Connection Problem

Raspbian 10 buster here. I tried to connect 5GHz WiFi but it didn't ever see the hotspot. I changed WiFi county to US and it worked. Now Rpi detects the hotspot and can connect to it but connection ...
0
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0answers
32 views

Does Raspberry Pi 3 B+ support the RGB-D Sensor?

Currently I am using Pi Camera which capture the image. But my objective is : To find the nearest object from the camera image. But Image Contains multiple objects shown below RGB-D can capture ...
2
votes
0answers
55 views

Raspberry pi 3b+; buster touch events

I am a beginner with the raspberry pi and trying to get my hands dirty on RPi 3b+, OS- Buster, 7 inch HDMI- touch screen. I am trying to build simple gui with one button and one label to display a ...
0
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0answers
10 views

RPi alsaaudio.PCM works good for Python2.7.16 but not for Python3.7.3

I am new to audio related programming in RPi. Following code works well and playing sound from a wav file in Python2. import alsaaudio as aa output = aa.PCM(type=aa.PCM_PLAYBACK, mode=aa.PCM_NORMAL, ...

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