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Questions tagged [pi-3b+]

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

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1answer
70 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 ...
0
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1answer
74 views

Binary ON/OFF from Current Transformer

I have a SCT-013-000 100A Non-invasive AC Current Sensor Split-Core Clamp Current Transformer that I want to connect to the Raspberry Pi 3b+. I am thinking of using an A-to-D converter (ADC 3008) as ...
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0answers
48 views

pigpio controlling two continuous servo motors

I am relatively new to controlling gpio pins with python and the pigpio library. I am trying to build a small robot to be controlled with an old xbox 360 remote. I've downloaded and installed all ...
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1answer
28 views

Running Raspberry pi 3b+ on lithium ion 36wh/7.4v question

I have built a little medical assistive device using the raspberry pi 3, I wanted to attach it to a backpack and test it in real life situations. I don't have much money to purchase much things but I ...
0
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1answer
203 views

Confusion regarding getting started with OpenGL ES 2 on Raspberry Pi 3 B+

I am developing a 3D application for RPi 3 B+ using OpenGL ES. As I know there are plenty of tutorials and books but they are mostly for either OpenGL-ES 3.0, Android or iOS. I far as I know RPi 3 ...
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1answer
51 views

how to install several different Operating Systems on pi 3 b+ sd card and how to access them

I wish to install several different Op Systems on one micro sd card for a pi 3b+. I use octopi for running a 3d printer and interested in dietpi and more to experiment with. Will be looking into an ...
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1answer
52 views

Connecting to mobile network on startup using ppp0

I have a sixfab 4G LTE shield and the module through which I connect my RPi to cellular data. It requires few commands to be executed in order to connect. How do I make it run only once post startup ...
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0answers
160 views

Slow Chromium on Raspberry Pi 3B+ after update from Jessie to Stretch

I've been looking into my problem for days now and I didn't find a solution to it. If there is already a question about this issue, I have not found it, my apologies. Please direct me to it if there ...
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1answer
39 views

which python version supports rpi gpio libraries?

im working on raspberry pi 3 b +model i installed noobs on it ,but when i try to install rpi gpio libraries it shows their is no module named rpi gpio it is showing ,and when i want to see which ...
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1answer
229 views

rpi 3B+ problems installing pygame into virtual env

I have a clean and updated raspbian stretch on rpi 3B+. I created a virtual environment. Activated it. Compiled python 3.7 in the venv. Installed pyephem into it with pip. All is working fine in the ...
3
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2answers
70 views

RPI 3B+ state of /sys/class/net/eth0/carrier won't change

My application check /sys/class/net/eth0/carrier for ethernet status; it works great on RPI 3B but broken on RPI 3B+. If I plug out the RJ45 cable from both RPI 3B/3B+ : the RPI 3B will change the ...
1
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1answer
48 views

My raspberry pi doesn't work after I execute “gpio -g write 1 0”

Sorry for my poor English. I just bought the raspberry PI 3B+ a few days, don't know what the gpio -g write 1 0 mean.After try this, my pi doesn't work now. the green led is also not lit. I have an ...
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2answers
50 views

Scaling of digital reading of pressure sensor

I have purchased one of these and I've connected it to a pressure sensor. I now need to convert the digital values to pressure. However, my maths is all forgotten. Can anyone help me out? The ...
4
votes
1answer
2k views

Access point as WiFi repeater, optional with bridge

I need a wireless access point that is bridged with the wired ethernet port and that is connected to another wifi internet router with a client connection as uplink. All devices connected to the RasPi ...
0
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0answers
27 views

collaborative music creation + online interpreter for sonic-pi

I would like to create an online interpreter that can be used to run sonic-pi. The goal of this being to allow people to collaboratively control the sandbox environment to create music with sonic-pi ...
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1answer
565 views

Ubuntu Server 18.04 on Raspberry Pi 3 B+: Ethernet Networking Errors on Boot

So I've been trying to setup a web server on my Raspberry Pi 3 B+ I'd like to be able to develop on meteor and then upload the app to my Pi over SSH and Meteor Up (MUP). Started with Raspbian Stretch ...
1
vote
1answer
172 views

Raspberry Pi MIDI Looper

I would like to write a script that allows MIDI data to be recorded, then sent back out in a loop similar to how a drum machine works. Think drum machine without the audio data. Only MIDI data. I'm ...
0
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1answer
59 views

Can this DC Motor Driver feed my RPi?

I've bought this motor driver, which features a 5v output pin. I connected this and the ground pins to a micro-USB adapter, so that I could use a 2-cell LiPo battery to power the driver and the driver ...
0
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1answer
52 views

Why is my Raspbian command prompt grey?

I was messing around in settings and updating a few things today and rebooted my Raspberry Pi running Stretch and went to open the CLI again and the prompt has turned gray and some commands like ll ...
-2
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1answer
47 views

How to compare if the cpu serial is correct

I have a question. I would like to check when the raspi system starts or if the serial cpu is correct. If not, he would be rebooting. So he would be doing reboot loops all the time. I found the ...
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0answers
27 views

RPi3 Touchscreen white fade reboot

I have an RPi3 with the 7in touchscreen attached. Sometimes when I boot up, it runs through the startup procedure, then at some point (it varies, has happened right near the beginning after the ...
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0answers
109 views

CUPS supported HP air printers on raspberry pi 3 B+

I am looking to buy a HP wireless printer to work with CUPS + gutenprint on raspberry pi 3 B+. Has anyone in this forum been able to successfully configure an HP wireless printer with raspberry pi ...
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0answers
34 views

Drive a 73 inch monitor

Can the HDMI output of Pi3B+ drive a 73 inch DLP TV (that accepts HDMI input) as a monitor? I feel silly asking, but if anyone will know it's this group
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0answers
16 views

SQL Server 2014 Mgt Studio and Pi3B+

Can I access a large SQL DB on a usb drive plugged into a powered hub attached to a Pi3B+ and write answers to the usb drive using the Pi3B+ running SQL Server Management Studio 2014? The follow on ...
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0answers
61 views

2 RPI 3 B+ with camera modules ROS Stereo vision

So im trying to use 2 RPI with camera modules with ros talking to a master and then the master makes a 3d point cloud from the stereo images. One of my problem is the ROS node for the cameras its hard ...
0
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1answer
2k views

Raspberry Pi 3B+, installing Ubuntu Server (64bit)- problems

TL;DR: (Scroll down to bottom two questions) I have found dozens of "solutions" on the Raspberry Pi 3B which have worked for people and not with my 3B+. I suspect that there is a very specific ...
1
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2answers
165 views

Raspberry Pi 3 B+ doesn't boot up. Only PWR LED is on

Just got new Pi3 B+ today from reseller. I went ahead and test it out and it doesn't work. Only PWR LED was lit. I tried another SD card and still doesn't work. I also tried reflashing Raspbian ...
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0answers
100 views

Bare Metal RPI 3B UART not working

I have referred many tutorials to get UART working in bare metal environment on RPI 3. https://github.com/dwelch67/raspberrypi/tree/master/uart05 https://github.com/mrvn/RaspberryPi-baremetal/tree/...
2
votes
1answer
114 views

Swapping between wifi client and access point?

This question is an extension of the information on this post. This question looks the same as this one but it is not. I am using systemd-networkd. I successfully followed the instructions in the ...
0
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3answers
387 views

Raspberri Pi 3 B+ Low voltage warning

I have 10+ various older model RPi's running already. I bought 2 new RPi 3 B+ starter packs (with original power supply!). When I insert an existing SD card it shows a low voltage warning in the top ...
0
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1answer
66 views

Ethernet & WiFi Pi3b+

I have a raspberry pi 3b+ which I want to connect to two seperate networks. I have an existing ethernet connection which works fine, and i am able to SSH/VNC to the pi over this network. I have ...
2
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2answers
874 views

10MB/s speed on model 3 B+ gigabit ethernet

I'm running speed tests on raspberypi 3 b+ (gigabit ethernet interface). I've tested with ethtool from the terminal, and it shows Speed: 1000Mb/s Based on this result I assume both the router and ...
0
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1answer
92 views

install PINN without deleting OSes on SD-card

I have a RPi 3B+ on which I installed two OSes via PINN. That worked fine until now. Recently I tried to configure my bootloader so I am able to chose the correct OS to boot from my TVs remote-...
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0answers
31 views

Raspberry pi Boot issue

I am using Raspberry pi 3 B+ model with Integral 16GB microSD Card. Sometimes the raspberry does not boot at all and when I copy bootcode.bin file to the SD Card it boots up fine. Again after some ...
1
vote
2answers
78 views

crontab schedule .py file

I am attempting to run a scheduled .py file every 5 minutes with crontab but I don't think it's working. I'm following this post with the instructions: Can't run python script from cron I opened ...
0
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0answers
172 views

First startup of Raspberry pi 3b+ with only laptop

I have a brand new raspberry pi 3b+, 16 GB SD card, ethernet cable and Windows 10 laptop. As i don't have any peripherals except mouse, i.e. a display and external keyboard, I'd like to set it up so ...
2
votes
1answer
158 views

Unable to detect cam module in raspberry pi 3 b+

I have my cam module connected and have also tried sudo apt-get update && sudo apt-get upgrade but the pi is unable to detect the cam module. On executing this command : vcgencmd get_camera ...
0
votes
1answer
403 views

How to Connect Raspberry Pi to WiFi Network without keyboard / Monitor but via Putty at first installation?

I have got a new Raspberry Pi 3 B+ model. I'm using Noobs package for Pi OS. Now, I have the only laptop. So, after seeing some online tuts I'm thinking, can I configure WiFi in Pi via terminal. I'...
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0answers
45 views

DHT11 problem in kernel module

I think that is not a faulty device but, instead, kernel problem. If my CPU is too busy the frequency of messages below come up. I'm using the dht11 dtoverlay with Debian Stretch. dmesg output (...
0
votes
1answer
46 views

How to cut the power on power pin 1 programmatically?

Is there a way to cut the power on power pin 1 on Raspberry Pi 3, using a command or force this on reboot?
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0answers
48 views

Jackd problem on RPi3 B+ Stretch

I'm running Stretch on an RPi 3 B+. I have a C-Media USB sound card showing up as: card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio] and ALSA recognises it as the default card ...
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0answers
48 views

Issue with running python script at start

Im currently running a python script at boot up using the rc.local method. it works great when i have my mouse, keyboard and monitor connected. However, the end goal of this project is to be able to ...
0
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0answers
180 views

How many arduinos can I control with one raspberry pi 3 B+

I have been reading about using a Raspberry Pi to control an Arduino. My goal is to control several Arduinos using a single Raspberry Pi, in order to automate several tasks, it is important to note ...
0
votes
1answer
58 views

Installing Cyberduck CLI on Raspberry Pi 3b+ with Raspbian

I am attempting to install Cyberduck CLI on a Raspberry Pi 3b+ that has the default Raspian. I am aware that there is a UI available, however for the purposes of writing a script to automate mass ...
1
vote
1answer
174 views

Printable case design for Rpi 3B+

I am looking for a proper paper printable case design for pi 3B+. I'm talking about the latest 2018 model. Tried searching for it online, but I only got designs for older Rpi models.
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1answer
37 views

Can I use the sd card in my pi 3b+ in my zero w?

I was wondering is I can use the sd card I use in my Pi3B+ in my Zero W? Let me know! I can always experiment and let you know. Thank you!!
0
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1answer
104 views

accidently reversed polarity power to Raspberry Pi 3B+

I was trying to make a custom power source to supply power to the micro usb port on the Pi B+ and I reversed the + and - by accident and then smelled something like burned plastic. The SD card doesn'...
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2answers
42 views

In Raspberry Light how do I conditionally disable the wlan interface when the eth interface is connected?

We are using Screenly and a Raspberry Pi 3 Model B for digital signage. I see from the documentation that this is running on Raspberry Light version of Linux. Due to the web interface for Screenly, we ...
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0answers
44 views

Safe GPIO configuration for powered-down RPi?

I have a RPi3 driving a robot and I've built a dual H-bridge circuit to run it. I have seperate fuses for the RPi and the driving circuit and I'm glad I do! Trouble is, when the RPi is off, the H-...
3
votes
0answers
73 views

Are the camera and display connectors of my 3B+ soldered the wrong way around?

I recently purchased a new 3B+ board and although the board board itself is working fine, I can't get the PiNoir camera to work. The camera works fine on an another 3B board. I tried several tricks on ...