All Questions

0
votes
0answers
33 views

I2C devices not detected on Pi Zero

I'm trying to connect an OLED screen to an RPI zero through I2C. They look a little out of date, but I followed the instructions here (more or less), but i2cdetect -y 1 Doesn't find anything... In ...
0
votes
0answers
4 views

Passing audio from bluetooth to cloud

I want to use my RPI Zero W as a bluetooth headset (HFP) and take the audio (the voice of the caller) from a phone call and pass it to the cloud to do some TTS on it. The response from the cloud ...
0
votes
0answers
16 views

Extracting machine data using Pi

We currently have moulding machines i am looking at whether i can use raspberry pi to give live data from each machine either from the main control board or the traffic lights system we have to show ...
1
vote
1answer
26 views

Difference between iface wlan0 inet manual and iface wlan0 inet dhcp in wifi to ethernet router?

I have developed a wifi to ethernet router. Wifi is connected to my home router having internet and ethernet is connected to my laptop( just for testing).My laptop is not getting internet, but it gets ...
0
votes
0answers
39 views

Unknown filesystem type 'hfsplus' when mounting HFS+ volume on Raspbian Stretch

I am looking to mount an HFS+ volume on my Raspberry Pi running Raspbian Stretch. I have just installed the packages hfsplus hfsutils and hfsprogs. When I run cat /proc/filesystems it looks like ...
-1
votes
0answers
20 views

How to share internet through LAN from wifi-laptop to Raspberry PI

I would like to give my Raspberry PI internet through a LAN cable from my laptop (my laptop is connected to the internet with wifi). I just can't get this working. I tried this (How can I connect my ...
2
votes
1answer
20 views

Limit to number of videos that can be selected via buttons in kiosk?

I'll try to make this brief initially, in hopes that someone knows off the bat that there is some limit in omxplayer that I'm hitting. If not, I can post the code and more details about what I've ...
0
votes
0answers
12 views

Installing Qiskit on Raspberry Pi 3 B+

I’m trying to install qiskit on my raspberry pi 3+ and I’m getting the following error: “Could not find a version that satisfies the requirement qiskit (from versions: ) No matching distribution ...
1
vote
2answers
44 views

Is it possible to use use a 4x3 monitor

I have a 1280 x 1024 monitor I want to use as display. I have an HDMI to DVI adapter. What must I configure to make it work?
0
votes
0answers
14 views

Digital IR bandpass filter using Bayer data from NoIR camera?

I have a project that requires the use of a localized portion of the spectrum in the NIR range. Say from 750nm to 800nm. For the time being, I'm using an optical longwave bandpass filter specifically ...
-4
votes
0answers
32 views

Share internet wifi to ethernet

I guess I have two questions. I am using a pi 3. Ideally, I want to log into the internet with WiFi, then share that WiFi with a usb adapter.Second, to the Ethernet port. I want to arrive on a camp ...
0
votes
0answers
20 views

SIP video call Performance issue

I'm facing performance issue during video call made between RaspberryPI3 and Laptop, the video image from RaspberryPI3 are not running smooth and the overall CPU usage consumes more than 80%. Here ...
0
votes
1answer
31 views

raspberry pi camera failed to enable connection

I have been following the tutorial on this page on setting up the raspbery pi https://www.raspberrypi.org/documentation/configuration/camera.md and when I run sudo vcgencmd get_camera I get supported=...
2
votes
2answers
26 views

timedatectl set-timezone Access denied

I get error when trying to set time: $ sudo timedatectl set-timezone America/New_York Failed to set time zone: Access denied This is on an almost pristine stretch lite image. I noticed $ ...
0
votes
0answers
16 views

Raspian Reset because of Widevine for libreelec

i just had to reset my Raspian Image on my SD Card because it wasnt booting up. The only thing it showed me for hours was a blackscreen. Im using Berryboot to start Raspian 2018, LibreELEC 9.0 and ...
0
votes
0answers
16 views

gpiozero robot control

I have to control motors of my Braitenberg vehicle using robot class of gpiozero. Sometimes I have to turn my robot reverse direction either in left or right. But this thing is not happening. I am ...
1
vote
0answers
20 views

Slideshow program to use with Raspbian and OpenGL?

I have a Pi 3 Model B+ which I wanted to use as a device to show a slideshow for images on a screen. I'm using Raspbian and was happy with FEH, but since another program ("redshift", a blue light ...
0
votes
0answers
27 views

Pi as presentation tool (offline live polling)

I am looking for ways to use a pi as a standalone "player" for presentations. This would be easy enough, but I would like to add a possibility to host and display live polling. So the pi would offer ...
0
votes
2answers
35 views

How to run program automatically after booting Raspberry pi on stretch

I have written a program for wireless communication between raspberry pi and Arduin0 with Hc05. But how to run this program automatically after booting pi? every time I have to login pi and run the ...
1
vote
2answers
43 views

Turn off visible light from camera IR lamps?

I have a Raspberry Pi IR camera with 2 attachable IR lamps. I am not sure if it is the same but it looks very similar to the Waveshare unit mentioned here frequently, eg in this question. The goal ...
0
votes
2answers
31 views

Effect of Interfaces file on dhcpcd.conf in Raspbian Jessie

I was working with Raspbian Jessie version to set a static IP address for eth0 port. As of my knowledge we can configure it with interfaces file but for jessie, there is new file for it and that is ...
0
votes
0answers
27 views

Sending Data from LoRa connected to Raspberry Pi

My objective is to connect a LoRa module with RPi and send data using it. So I made the connection:(Rpi to LoRa) 3v3 (Physical Pin 1) to Power Source (Pin 1) Tx (Physical Pin 8) to Rx (Pin 3) Rx (...
0
votes
1answer
35 views

{ [Error: , Remote I/O error] errno: 121, code: '', syscall: 'writeByte' } from raspberry pi to Azure

I tried to follow the instruction below to send sensor data from my raspberry pi 2 to Azure. Connect Raspberry Pi to Azure IoT Hub (Node.js) I connected the sensors to my pi device in a different ...
1
vote
2answers
84 views

What is the fastest way to send commands to Raspberry Pi over ethernet?

I'm working on a IoT project. The idea is basically: I have a notebook running a Python program that get frames from an IP camera, process it, and based on the result change a Raspberry Pi GPIO pin ...
0
votes
0answers
26 views

Connecting Raspberry Pi to old found TFT display

I have an old car DVD player sitting around that has a fairly decent secondary TFT LCD screen (hannstar 721h440b19-a1) that I thought I could use with my Raspberry Pi 3 Model B. I opened up the unit,...
0
votes
0answers
16 views

install pymc3 on raspberry

I would like to install pymc3 on my raspberry pi 3 model b+ for my hobby project. But installing pymc3 by pip took forever and it was never able to finish installing. It there any other way to install ...
1
vote
0answers
16 views

Interrupts with MCP23017 using the mcp23017 dtoverlay

I'm at my wits end with this one. Okay, so we've got an MCP23017 with its INTA wired to the Pi gpio12 (bcm) in /boot/config.txt dtoverlay=mcp23017,addr=0x20,gpiopin=12 so far so good. I'm looking ...
-1
votes
2answers
35 views

Control motors and servos simultaneously (Python)

I have a Raspberry Pi 2B+ and some knowledge of Python. I need to control a DC motor, two servos and a LED simultaneously. The requirements are: Must control two servos, a LED and at least 1 DC ...
1
vote
0answers
35 views

Remote internet options

I am looking to set up a RaspberryPi 3 for a trail cam and I have seen multiple option for internet access that are a little dated. Wondering if there is anything more "up to date" that I am not aware ...
-1
votes
0answers
20 views

Is it possible to boost the range for recieving BLE Beacon transmissions on a RPI3?

Doing tests with a RPI3 and a BLE Beacon I can get readings up to 100 meters, I was wondering if it is possible to extend this range with a USB bluetooth dongle or something similar and which one(s) ...
1
vote
1answer
8 views

DHT11, MQ-X at the same time

I'm wondering can I detect temperature, humidity and gas at the same time using DHT11, MQ-X sensors? If so, how? I can find numerous solutions using each of them separately, but not simultaneously.
1
vote
1answer
27 views

RPi Zero W as HID keyboard disconnects after connecting

So, I have configured and reconfigured the Pi Zero multiple times now for it to behave like a HID keyboard. It appears as a keyboard as well, but as soon as it is connected, it gets disconnected. ...
0
votes
1answer
47 views

Getting a .sh to run automatically

I am in day 5 of my crash course of learning how to use a Raspberry Pi (or any Linux platform) for the first time. I have an .sh named "startup.sh" file located at "/home/pi/". I have tried several ...
-1
votes
1answer
24 views

unwanted wake from halt

I want to use the "wake from halt" with my raspberry pi to keep it down must of the time and waking up using external stimuli when need. But I am not sure why, sometime it wakes up from halt although ...
1
vote
2answers
51 views

Pi with multiple HDDs from a powered hub

I am planning to use four 2.5hdd's with a pi3 B. I plan to use four 'sata to usb y' cables, with each usb power leg of the y cables plugged into a powered usb hub and each data leg into each of the pi'...
0
votes
0answers
27 views

Should motion detection use images or still frames?

Some Context For a project I'm working on, I'm creating a security camera that detects motion. When the camera has detected motion, it checks again to see if that motion was caused by a human. This ...
0
votes
0answers
23 views

Kernel error : [drm] Resetting GPU

I am using an app which is using the vc4-drivers. Sometimes videos freeze for an instant, and I see a kernel message saying : [drm] Resetting GPU After that, some font are no more displayed but the ...
-1
votes
1answer
24 views

regarding system used uart port of raspberrypi3 b+

I want to do a serial communication Raspberrypi and voice recognition module v3, and for that I have to disable the system used UART port raspberrypi3. After disabling the raspberrypi3 b+ system used ...
1
vote
1answer
22 views

Connect Raspberry Pi to access controller Z-5R by GPIO

I try to understand how to control Z-5R. Z-5R - it's access controller, that control the electromagnetic lock by RFID cards. I want to control this device by Raspberry Pi. How I can plug it correct? ...
0
votes
0answers
17 views

Unable login after editing etc/environment

After install DotNet Core, I set environment variables in the file etc/environment export DOTNET_ROOT=$HOME/dotnet export PATH=$PATH:$HOME/dotnet looking have system wide access to these tools I ...
1
vote
0answers
26 views

Raspberry Pi Zero -V1.3 Kali-SSH VNC through USB connected to PC possible?

I would like to SSH and VNC to a rasberry pi Zero V1.3 (Non-wifi) running Kali using just the USB connected to a PC that is connected to the network. It is possible with Raspbian: https://www....
0
votes
2answers
36 views

Setting up config for alsa at /etc/asound.conf

I have the following set-up with 3 USB audio devices - one for the output, the other is an input from my record player which I put on module-loopback, and the final one is a PS3 eye that I am trying ...
0
votes
0answers
45 views

Not seeing 3.3V between 3.3v Pin and GND

I have a voltmeter set to Volts and I have my red stick on pin 1 and the black stick on the pin 9. I just bought this Raspberry PI, is it broken? My pi is powered on and running rasbian at the moment. ...
0
votes
2answers
79 views

Cheapest way to attach a display to a Pi Zero W

As per my previous question, I am having great difficulty with a headless setup, so have decided to add a display. I possibly could use my HDMI input TV, but I don't think that my partner would be ...
-1
votes
1answer
37 views

Distro which is preconfigured to support XPT2046 display

I am totally stymied on headless setup of a Raspberry Pi Zero W. I have followed numerous guides, with no success and have decided to resort to setup with a display. I have an XPT2046 Resistive ...
3
votes
2answers
150 views

What is eating up my data?

I have a question regarding the data usage of one of my USB 3G modems. I am currently using a Huawei E303 USB 3G dongle in a Raspberry Pi Zero W, with a normal SIM-card. I am running the RPi without ...
0
votes
0answers
31 views

Trying to configure two USB drives for Samba server, permissions allow access to one but not the other on PC?

On my raspberry pi 3 that has Samba and Ntfs-3g running Raspian I have two USB drives mounted to two folders (from lsblk) Then I have added the following code to the bottom of the samba configure ...
0
votes
0answers
9 views

Not receiving any data via Bluetooth connection

I'm trying to send data from a ps3 controller to my Raspberry Pi, but the code I'm using does not pick up any data sent from the controller. The controller is connected yet nothing happens when I ...
0
votes
1answer
25 views

End kernel panic problem

I'm a newbie, trying to connect a gps to my raspberry pi 3 bit. After rebooting I can't get any further, and receive the message End Kernel panic - not syncing: VFS: Unable to mount roof fs on ...
2
votes
1answer
35 views

Does 'xdotool' only work on OS with gui?

I have installed xdotool on my raspbian stretch with desktop and on there, everything works fine. But I also tried to install xdotool on raspbian stretch lite and on lite I always encounter the ...

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