The Stack Overflow podcast is back! Listen to an interview with our new CEO.

Questions tagged [pi-3b+]

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

Filter by
Sorted by
Tagged with
0
votes
0answers
27 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 ...
0
votes
1answer
4k views

Setting up a static IP address in Raspbian Stretch using the “new way” (dhcpcd.conf)

This question is in relation with the following landmark article: How do I set up networking/WiFi/static IP address? I have a raspberry PI3B+ with raspbian stretch lite (2018-10-09-raspbian-stretch-...
0
votes
1answer
41 views

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

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 ...
1
vote
1answer
663 views

Raspberry Pi Internet Issues

On my raspberry Pi 3B, attempting to access the internet for downloads fails. Anything that uses it (chromium, apt-get, etc) does not work, giving errors such as DNS server not found, or just hanging. ...
0
votes
1answer
53 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) (...
0
votes
2answers
299 views

RP Automatic Updates

Does Raspberry Pi working with Raspbian make any automatic updates without our permission? If yes, How to disable it?
2
votes
1answer
51 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-...
1
vote
1answer
88 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 ...
2
votes
2answers
464 views

I can't get WiFi access point (AP) working on my RPi

I want to control my Raspberry Pi 3B+ using VNC via the on-board WiFi. To this end, I am trying to set up a WiFi access point on wlan0. I followed the instructions at https://www.raspberrypi.org/...
0
votes
1answer
21 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. ...
5
votes
1answer
76 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 ...
3
votes
1answer
450 views

Which Linux driver does control the PMIC of the Raspberry Pi 3B+?

The Raspberry Pi 3B+ contains the MaxLinear (previously Exar) MxL7704 power management chip (PMIC) with I2C interface for "on-line" reconfiguration of power sequencing and internal voltages.1 This is ...
0
votes
2answers
38 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 ...
1
vote
0answers
2k views

Raspberry Pi 3 B+ - Error: Driver 'sdhost-bcm2835 is already registered, aborting. What is that and how to solve it?

I have a Raspberry Pi 3 B+ and a microSD 64GB. I am going trough the boot process following this video. This is what I have: MicroSD card 64Gb (it is working) formated to FAT32 using MiniTool ...
0
votes
0answers
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 ...
0
votes
2answers
36 views

Second wifi (dongle) only as local network

I'm running Raspberry Pi (3B+) 9 (stretch) Wlan0 connected to WAN with network info stored in wpa_supplicant.conf. I recently purchased an Wifi dongle in order to create a wireless access point from ...
0
votes
1answer
33 views

autonomous lawnmower with gps, radar and remote control

I am trying to build an autonomous lawnmower using raspberry pi 3B+. I want to include auto-steering or remote control and also I want to include the radar as well to avoid any obstacles and also want ...
0
votes
0answers
39 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 ...
-1
votes
1answer
71 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("/...
0
votes
1answer
37 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. ...
0
votes
0answers
32 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 ...
0
votes
0answers
50 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 ...
0
votes
0answers
24 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 ...
0
votes
1answer
119 views

How do I connect my Raspberry Pi 3 B+ to a hidden network? Nothing I've read works

I just installed Raspbian on my SD card, but I cannot connect to my network initially because it is hidden. I've tried following the guide https://raspi.tv/2017/how-to-auto-connect-your-raspberry-pi-...
0
votes
2answers
2k views

How to achieve a high sampling speed using an ADC with Raspberry Pi?

So, I am using the LTC 2366, 3 MSPS ADC and using the code given below, was able to achieve a sampling rate of about 380 KSPS. #include <stdio.h> #include <time.h> #include <bcm2835.h&...
2
votes
1answer
3k views

AVAHI Daemon doesn't work on RPI

I have installed lighttpd on my RPI 3 : sudo apt-get install lighttpd I have managed to access the web server from /home/pi/www And it works, I can find my Hello World when I entered 192.168.2.31 in ...
1
vote
2answers
6k views

How to improve wireless throughput on RPi 3 b+ in AP mode?

I've upgraded from 3 to 3 b+ in hopes of improving throughput on wireless network (using built-in wireless chip as AP and wired connection on the other end). I've configured it to work in 802.11ac ...
0
votes
0answers
32 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 ...
0
votes
0answers
54 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 ...
0
votes
1answer
343 views

PIServer client autologin

I've got a Raspberry PI 3B+ configured to diskless boot with the PIServer PXE system. I have created a user 'map7' and would like it to autologin my thin clients into the GUI as that user. I've ...
0
votes
0answers
46 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 ...
0
votes
0answers
46 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 ...
2
votes
1answer
44 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 ...
0
votes
1answer
43 views

How to use at the same time 2 hardware pwm in wiringpi

I need help to configure 2 hardware PWM channels. I am developing device, and sometimes I will need active 2 PWM channels with different frequencies (frequencies is low: 410 and 580 Hz).I'm writing ...
0
votes
1answer
53 views

SSH connection hangs in Mac OS Terminal - No prompt for password

I've been SSH'ing into my Raspi 3 B+ for some time now from my Mac OS with no issues. I recently set a static IP address for my Pi on a LAN network connected via ethernet cable. I edited sudo nano /...
1
vote
2answers
4k views

Raspberry Pi 3 B+ no wireless interfaces found

I can connect to Wi-Fi when I use RPi 3B but when I boot the system with 3B+ it doesn't connect to Wi-Fi automatically and when I click on the top right to connect it to Wi-Fi, I see the error: no ...
0
votes
1answer
51 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 ...
1
vote
2answers
32 views

do RPi3 3.3/5V pins output constant voltage even if the RPi power supply is changing voltage?

I want to power my RPi with a lithium ion battery. The RPi will be powering some devices which require constant voltage to power them. If I use a battery as supply for the RPi (which changes as it ...
3
votes
2answers
186 views

Firefox Arm64 available but RasPi 3B+ still 32-bit

I want to be able to use my Raspberry Pi 3B+ as a desktop system. In order to do that, I need to be able to make use of apps such as Firefox-ARM64. Given all of the confusion regarding migrating ...
1
vote
1answer
32 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 ...
1
vote
2answers
238 views

AM2302 no signal using Raspberry Pi 3

I am trying to setup a AM2302 (DHT22) to use with Raspberry Pi, and unable to get a signal. What I need help is to be able to conclude whether the problem is due to (1) sensor fault (2) wiring fault (...
0
votes
1answer
26 views

Raspberry 3B+ Can it be connected the same time for WiFi and for Ad-Hoc wireless network

Sorry guys, I'm not a Linux guru at all. So the problem: I have a general wifi in my office and there is Internet shared via this network I have a raspberry 3b+ device I could connect rpi to this ...
0
votes
2answers
55 views

Test raspberry power supply

I have a raspberry pi 3 B+ and an external hdd like this one Connecting it directly to the pi makes the pi shutdown and restart I’ve tried to use an external usb hub with power but it still keeps ...
0
votes
0answers
27 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 ...
1
vote
1answer
35 views

Is it possible to make access raspberry pi 3b+ access point from wifi without ethernet and other external devices? [duplicate]

Is it possible to create access point from Raspberry Pi 3B+, without ethernet? I'd like to create access point like for example android hotspot, were you can start hotspot but you still can use ...
1
vote
2answers
92 views

Configure Rpi as router - error when starting network and DHCP interfaces

I looked at several solutions for this question, but none of them worked. Additionally, I tried some of the tutorials provided (with the necessary changes), but none of them worked My aim is to use a ...
0
votes
0answers
91 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 ...
0
votes
0answers
135 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 ...
0
votes
1answer
114 views

Unable to install Mongo-DB on Raspberry Pi with Ubuntu Core 18.04

I am trying to install mongoDB on my Raspberry Pi 3b+, which has an ARM 4-Core 64 bit processor. I was trying to install MongoDB on my Pi just as mentioned in their documentation but unfortunately I ...
0
votes
1answer
220 views

Accessing RJ45 pins individually from Raspberry

I bought a small optical monitor sensor. It basically detects optical pulses from an electrical meter and then triggers an ISR on a datalogger, which is a concrete product for this purpose. Because of ...