Questions tagged [pi-3b+]

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

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Determining how specific services were started?

I have a Raspberry Pi which is running well, and am looking at creating a status app for it. I have some services that are run on startup, and I want my app to check that they are running, and if not ...
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18 views

Raspberrypi unable to read 2000 ppm encoder

I am using a DC motor attached with a 2000 ppm incremental encoder. I am using RPI to count the number of ticks, my code works fine but I am not able to calculate all the 2000 ticks. Any help would be ...
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3answers
28 views

RaspberryPi turns on but wont start

So I come home and the power strip in which I left the RaspberryPi has tripped and it was off. I restart it, but I notice that the RaspberryPi wasn't giving any output when I plugged the monitor in. I ...
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1answer
19 views

I used anaconda3 python 3 run the following code appears, NameError: name 'TurleControl' is not defined.How to fix?

import turtle import sys from PyQt5.QtCore import* from PyQt5.QtGui import* from PyQt5.QtWebEngineWidgets import* class TurtleControl(QWidget): def __init__(self,turtle): super(...
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26 views

kernel warning in dmesg

I've bought a new 3B+ and when I add dtdebug=1 to config.txt in /boot the following shows up in dmesg. I'm also having a problem where a GPIO extension board isn't being picked up at all, is this ...
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1answer
18 views

New RPi OS kernel panics with VFS: Unable to mount root fs on unknown-block(179,2) not using NOOBS

Hi I have 6 Raspberry Pis and none of them have encountered this error when using this EXACT setup. I boot up. Get a bunch of messages telling me that my CPU swapper is not tainted (not official ...
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1answer
29 views

Can you switch from connecting the RPi from pifi access point to an actual router access point

So for a robotics project I have in mind I'm trying to create an access point on my rpi so that I can directly ssh into it without using wifi from another router. But the problem is that I'm not sure ...
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2answers
29 views

No escape key on keyboard

My Logitech Keys-to-Go bluetooth keyboard does not have an ESCAPE [ESC] key. I discovered that I can use the "ctrl-[" keyboard combination as a workaround to get [ESC] functionality with this keyboard....
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2answers
64 views

I can't connect to wifi although I can see the networks

I'm new to Raspberry Pi and I have to make a script based on WiFi connection, but sadly I can't use it. I have a Raspberry Pi3 Model B+ with the NOOBS sd (the one given with the Premium Kit). I ...
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0answers
18 views

Installing HY463xx touchscreen driver

I am trying to install HY463 touch screen driver on to raspberrypi-cm3 buster lite. I have installed drivers before. But Their website does not provide any Makefile or any documentation for me to ...
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71 views

No ethernet on RPi 3B+

I have 3 RPi 3B+, all exhibit the same behaviour. 2 were bought a while ago, one more recently. When starting, on lucky days, they will get an IP from DHCP. If not lucky or upon first reboot, they no ...
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2answers
42 views

Unstable Ethernet connection on RPi 4

I run a headless Raspberry Pi 4 (4 GB) which is powered by the official USB-C power supply. I operate the Pi 4 (Raspbian Buster Lite) via the ssh protocol (putty) from a Windows machine. I realized ...
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1answer
18 views

PINN no internet connection after hard reset

I have recently installed and configured a new server on my raspberry pi 3B. I used PINN as my bootloader and installed some OSes (Fedberry - an Raspberry Fedora implementation - being the main one). ...
2
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1answer
45 views

Editing Main Menu Item

I have an odd (to me) problem with a menu item. When I click Programming, I see the launcher I want but it has the wrong path. That is what I need to correct. When I right click and select properties, ...
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1answer
36 views

Whether using a 3.4 Ampere adapter or Qualcomm QC 3.0 adapter to power a Raspberry Pi 3B+ can cause damage?

So here it goes,after looking out hundreds of pages regarding powering of Raspberry Pi 3B+ still some hesitations here. I have totally read this out very detailed & nicely written answer by ...
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1answer
33 views

How do I setup DHCP on a 2nd port?

My Main Question How do I configure my RPi so that I can share its internet connection with an IoT device plugged in via ethernet cable in addition to sharing its internet connection via its wifi-...
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2answers
240 views

RP Automatic Updates

Does Raspberry Pi working with Raspbian make any automatic updates without our permission? If yes, How to disable it?
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1answer
37 views

Controlling 5 LIDARs using Raspberry Pi

I came across this instructable which illustrates how to connect the TFMini LiDAR to the Raspberry Pi. In the list of materials, he said that I will be needing a Resistor (between 100-1k Ohm) (...
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1answer
26 views

Why the message “raspberrypi dhclient: send_packet: Network is unreachable”?

I am having a raspberry pi jessie OS. I configured it as ethernet to ethernet router. eth0 is connected to a modem and eth1 is actually a usb to eth converter. Rpi get internet through the eth0 ...
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0answers
19 views

Are there any ADC expansion Boards available for raspberry pi which is capable of acquiring bipolar analog voltage signals? [on hold]

Are there any ADC expansion Boards available for raspberry pi which is capable of acquiring bipolar analog voltage signals ?
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1answer
75 views

GPIO pin (BCM 12) acts differently on PI3 and PI4

The following code is running on PI3 and is working perfectly fine. I try to provide a short description of what the code does. In this code I first set the BCM 12 as the pin of interest for my sensor ...
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1answer
69 views

Is it possible to configure a Raspberry Pi 3 to become a Bluetooth adapter for a desktop PC?

Stupid question, but I've been looking everywhere. I want to configure my Raspberry Pi 3 so that it can basically serve as a bluetooth adapter for my desktop pc. Is this possible, or does it only work ...
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1answer
20 views

How do I set up an RPi 3 as a 1-port eth0 router?

I want to set up my RPi3 to be a 1-port router running a webserver. I know how to make a wireless access point and connect my PC via hostapd/dnsmasq, and I know how to set up a webserver on the Pi. ...
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0answers
26 views

Combining potentiometers to register as buttons

Does anyone know how I could use 2 potentiometers (1 for vertical axis, other for horizontal) and combine them to register as buttons? I want to make a shifter for sim racing and I want to combine 2 ...
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2answers
30 views

Ethernet to connect directly to device with static IP and no DHCP, Wi-Fi to connect to WLAN normally

I have a Pi3B+ (running Buster) that connects to my WLAN nicely via normal wpa_supplicant.conf means. ~ $ ip -4 addr show | grep global inet 169.254.60.134/16 brd 169.254.255.255 scope global ...
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18 views

How can we acquire an analog signal having both positive and negative parts , i.e. a bipolar signal, using Raspberry pi3 B+ module?

I am using raspberry pi 3 B+ board. I have to acquire analog voltage signal having both positive and negative parts, i.e. a bipolar signal How can i acquire this signal with the R-pi? I have tried ...
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1answer
51 views

RPi4B PCA9685 PWM Controlling Servo Problem

I have this RPi3 that I am running a bunch codes on it. It is communicating with a server and also I have python supervisor running on it. Now I am trying to set up the same system on RPi4. For some ...
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0answers
34 views

dnsmasq DHCP refusing to work. NordVPN hotspot on Raspberry Pi

I'm trying to set up a NordVPN hotspot on my Raspberry Pi 3B+ so I can connect it to my smart tv and get rid of Netflix region restrictions. I have everything set up properly but still dnsmasq DHCP ...
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1answer
59 views

Response to a incoming call using python script

I am trying to implement a system using Raspberry-pi and SIM-800 modules. Now I can see incoming calls from my python script, but it can not parse data. import serial serialport = serial.Serial("/...
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0answers
25 views

Logitech F310 hot plug working on Pi 3 B+ but not on Pi Zero W

I wrote software in C for my work that reads Logitech F310 controller input and controls our vehicle accordingly. I wanted my software to be fault-tolerant, so I added code that checks the presence of ...
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1answer
35 views

Counting Two Pulses Generated By Rotating Motor

I want to Count pulses based on some Conditions which are: (1) Count all the rotations generated during motor Rotations. (2) Count all the motor rotation pulses when an additional signal is enabled. ...
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30 views

Why UDP connection from hotspot raspberry doesn't work

To start with I have to say I have seen few similar questions but none of those could help me with resolving my problem. My setup is, two raspberry Pi 3 B+ with Raspberian on board(updated). One of ...
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20 views

When I install volumio in my raspberry, I got the error as below, how to solve the error:Failed to open ALSA device “hw:1,0”

When I install Volumio OS in my raspberry 3b+ and plan to play music withe it, but when I play a music from the GUI of volumio, I just got the error as "Failed to open ALSA device "hw:1,0";No such ...
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Raspbian Buster Doesn't boot on Raspberry Pi 3 b+ (continued)

In continuation to this question asked Raspbian on Raspberry Pi 3 b+ doesn't boot I bought a new Raspberry Pi 3 b+ board as suggested before. But when I installed buster on a working 16 gb SD ...
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29 views

Raspberry pi LAN not working? [closed]

I was trying to get pi-hole earlier this morning so I changed my raspberry pi's IP to a Reserved IP, and changed my DHCP ips to point to the pi in my router settings. After all of that I got an error ...
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26 views

irsend pauses for significantly too long

I'm having a problem replaying a raw sequence using irsend. The sequence below is very simple. Very long pulse (6700us), followed by a very long pause (3400us) followed by two short pulses and two ...
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0answers
26 views

Is this functionality possible in pi-“live streaming to raspberry pi 3 model B+ from a wireless camera and doing image processing on it in real time”?

I want a system where I can have a camera that can live stream to a raspberry pi 3 model B+, which in turn would do image processing on the feed and detect the objects present in front of the camera(...
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1answer
41 views

What are the best distributed computing projects for a Raspberry Pi?

I'm trying to put an idle Pi to good use, by running a distributed computing client on it. Folding@home doesn't appear to be feasible. Can anyone suggest a project which a Pi is suitable for? (I ...
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0answers
36 views

Cannot connect to GitHub

I have a Raspberry Pi 3 B+ (Linux raspberrypi 4.19.58-v7, Raspbian GNU/Linux 10 (buster)). I am able to browse the internet through the Chromium Web Browser to websites like Google.com and Yahoo.com, ...
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0answers
35 views

Installing PiVPN failed to connect port 443

https://www.youtube.com/watch?v=WA7QTM9hovQ&t=119s The first time I tried to install PiVPN on my Raspberry Pi 3 B+ (Linux raspberrypi 4.19.58-v7, Raspbian GNU/Linux 10 (buster)) with the steps in ...
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0answers
42 views

Audio output not working

I bought a raspberry pi3b+ for my son that is connected to the TV, I installed both raspian and lakka and i configure it, but there is no sound coming from the TV via the HDMI port. After several ...
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0answers
35 views

RPI GSM Add-on SIM800 AT commands are not working

I am trying to send sms using RPI Add on v22 module and Raspberry-pi 3+. I have mounted this module on top of Raspberry-pi. When I use minicome using minicom -D /dev/ttyS0 -b 115200 -o I get the ...
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1answer
61 views

Can't use my raspberry pi 3 B+ in high speed mode

I've been trying to use a Raspberry Pi 3 B+ to get data from an accelerometer, namely ADXL 357 , via I2C but the problem is that the data rate is about 200 Hz or even less. I tried to set the ...
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1answer
34 views

Getting OpenGL ES Framebuffer back to CPU Memory

I've started learning how to use OpenGL ES, and am trying to do some general purpose computing using the Pi's GPU. I've got it mostly working, but I'm hung up on the last step: getting a framebuffer ...
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1answer
64 views

systemd-networkd: Bond Ethernet and Wifi (USB Dongle), AP with Raspi 3b+ on board Wifi

Raspbian Buster Lite, Raspi 3b+ I want to bond ethernet (eth0) and a USB wifi dongle (wlan1) for network/internet access. This part I've managed with success, dynamic failover works perfectly. The ...
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1answer
39 views

Fail to mount NAS network drive

I am attempting to mount a network drive. Since I am experienced with raspbian I've asked a friend that is for help, but neither him or I have managed to succeed. I'm, using a RPi-3b+ and a ReadyNas ...
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1answer
30 views

Run a code without being on the physical machine

I have some devices (i.e. leds) that I need to control on a Raspberry Pi, but I was thinking if there is a way in which I can put the code in a server, and then when the raspberry Pi receives a ...
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0answers
21 views

RaspberryPI use with 3G/4G dongle

I've been looking into a project which would require me to enable my PI to have a remote internet connection. I'm wondering if the PI is able to use a 3G/4G dongle for this? If it can, does anyone ...
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0answers
66 views

How to use Ethernet and Wifi on Pi3b+ and Raspbian buster

Yes, I am aware that similar questions have been asked before on this StackExchange but almost all of those are old and don't seem to be working for me. After googling around I found that things have ...
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1answer
50 views

RPI 3B+ 'activity' LED always flashes approximately every 1.5 secs With Buster booted external USB SSD?

Booting my pi 3B+ from Buster on a USB SSD 240G Kingston A400, I now get quick pulsing yellow (green?) activity LED flash bursts, every 1.5 to 2 seconds, during normal operation, even when only the ...