Questions tagged [pi-3]
For questions that apply specifically to the Raspberry Pi 3 and not other/all models.
3,360
questions
0
votes
1answer
30 views
Turn on an LED with dimming and stay on
I want to start the LED gradually with dimming by using PWM.
And then once at a ChangeDutyCycle(100) I want it to remain on GPIO.output(led, GPIO.HIGH).
import RPi.GPIO as GPIO
import time
led = 17
...
1
vote
2answers
3k views
Why is HC-SR501 PIR motion Sensor always on?
I'm trying to make an alarm system but the motion sensor is always on as soon as the script is run. I've posted a question about a different problem i was having with this project so it'll confusing ...
4
votes
3answers
774 views
Occasionally get “Register read error: 0xee06” when script is run with Adafruit BNO055
I'm running scripts on a Raspberry Pi 3 hooked up to an Adafruit BNO055 sensor, and occasionally when I run the test script I get this error:
Traceback (most recent call last):
File "...
0
votes
2answers
2k views
KeDei 3.5 SPI TFT LCD with Retropie
I am working on an on the go Retro-pie system. I needed a screen to go onto it so I picked up a KeDei 3.5 inch TFT LCD. However when I received it, I found out that it only works with a specific image ...
0
votes
4answers
13k views
Can't ssh in Kali headless setup on Raspberry Pi3
I've installed kali for arm on a Raspberry Pi3. The problem is I can't remotely login.
I can ping it, but trying to ssh I keep getting "connection refused". Also checked with nmap but without success....
2
votes
1answer
386 views
How does 'iptables rules table' work with hotspot?
I'm using iptables rule for censorship. I created hotspot.When I try to connect website on raspberry with mother network, It's working. But I try on pc with hotspot my iptable rules isn't working. ...
0
votes
0answers
19 views
How to operate the camera on raspi3?
My material:
Raspberry 3 + camera (official) purchased together and never used before
Validated interfaces: ssh, vnc serial-console and camera
Added software: Apache, php, mariadb phpmyadmin
I took ...
1
vote
1answer
203 views
Not able to pair Raspberry Pi3 and iBeacon using Bluetooth
In my current project, I am working with iBeacon in the area of IoT. Basically iBeacon works on Bluetooth wireless technology. I am using Raspberry Pi 3 (with in-built WiFi and Bluetooth).
Pi 3 ...
1
vote
1answer
550 views
Monitor Displaying “No Signal” with RetroPie at Powerup
I'm in the process of building a game console using RetroPie and a Raspberry Pi 3. I'm connecting the Pi to a monitor via HDMI, and I'm powering both using a power strip with an on/off switch, to ...
0
votes
1answer
353 views
Serial commands over Ethernet RPi 3b
I am trying to send LinBus protocol serial commands over the ethernet port of my Raspberry pi to a linear actuator connected on the other end via ethernet.
Currently, I am using pyserial script to ...
0
votes
1answer
191 views
RPI as server for home automation
I would like to ask for an advice in choosing controller/platform for my project. Basically what I want to do is RPI local server with web server, where I can display data from arduino sensors and ...
-1
votes
1answer
532 views
borkin button without screen
I have installed a jack button to turn on and off my raspberry pi 3 following the method described in the youtbue video
The Borkin Button Easy Raspberry Pi Power Butto.
This allows to create a ...
0
votes
1answer
439 views
Cannot overclock --> black screen
When I try to overclock my Raspberry Pi 3B by editing the boot/config.txt file and restart, I always end up with a black screen. It will go past the "Welcome to Raspberry Pi Desktop" screen but after ...
1
vote
1answer
2k views
(Error trying to run qjackctl) libEGL warning: DRI2: failed to authenticate qt5ct: using qt5ct plugin
Running Raspbian installed with NOOBS. qjackctl is installed with all its dependencies using Synaptic. Just trying to run Guitarix on my Pi3 B+. I tried following the instructions in this solution, ...
-1
votes
1answer
622 views
Raspberry Pi 3 Model B won't boot NOOBS or Raspbian, but boots Ubuntu Mate
I recently purchased a Raspberry Pi 3 Model B which I am beginning to think is damaged or defective.
I originally installed Ubuntu Mate to a 4gb Sandisk microsd card and ran the Pi that way for about ...
1
vote
0answers
24 views
Change the CPU Core Voltage from terminal
I was wondering if anyone is aware of how I can change the CPU Core Voltage of a Raspberry pi using system calls from the terminal. I know that we can do this by setting the over_voltage parameter in /...
4
votes
2answers
14k views
Using openbox to autostart GUI application Raspberry Pi 3
I'm trying to use openbox to customize my raspberry pi 3. Basically, what I want to do is start an openbox session on boot up and have openbox autostart a GUI application. This is what I have so far
...
1
vote
1answer
631 views
How to connect GSM module to Raspberry PI3 and also using Bluetooth of Raspberry PI3
I want to use Bluetooth of Raspberry Pi3 and also I want to Connect GSM module sim800l to Raspberry Pi3 ,in this instruction
Bluetooth will be disable , what is the the best way to use both of them?
...
1
vote
2answers
3k views
This module can only be run on a Raspberry Pi! [closed]
I'm running daemon python file in virtualenv and has a Error:
File "rpi_daemon.py", line 5, in <module>
import RPIO
File "/home/pi/python_virtualenv/local/lib/python2.7/site-packages/...
0
votes
2answers
568 views
Why does an analog LDR (KY-018) work on the Raspberry Pi 3?
I'm doing a project and my teacher told me that the GPIO pin cannot supports analog inputs like the LDR, so I went to try and it works perfectly without the Analog Digital Conversation IC. Why is that ...
2
votes
0answers
23 views
Overclocking Raspberry Pi after the device has booted
I using a Raspberry-Pi 3B+ device and I am trying to change the maximum frequency after the device has booted. From my understanding, this can be done by editing the files under
/sys/devices/system/...
0
votes
2answers
112 views
raspberry pi 3 with GPS HAT, status code (data is void)
Hello I'm new in python and raspberry, today I try to run a script take in 'https://www.rhydolabz.com/wiki/?p=18639#comment-47045'
But I don't have a valid data in my status code.
The code :
#...
25
votes
5answers
53k views
Where can I find the documentation for the BCM2837?
I can find the hardware documentation for both Raspberry Pi 1's and Raspberry Pi 2's SoC on the Documentation - Hardware site from raspberrypi.org (Broadcom BCM2835 and Broadcom BCM2836).
However, I ...
0
votes
0answers
23 views
Specifics on connecting RFM69 to pi3
I am trying to follow these instructions to test a RFM69 module added to an Raspberry Pi 3.
This is likely rather naive, but I would like to know details on how to connect the pi to the module.
The ...
2
votes
2answers
636 views
Could a RPI 3B+ running Android Things support touch-display and display module with different views?
We are currently working on a project with a Raspberry Pi 3 B that will run Android Things NIH40K, 0.4.1-devpreview, Jun 15, 2017. As it runs AT I would like to connect two separate displays, one ...
0
votes
1answer
266 views
Connecting a servo to GPIO when using touch screen to GPIO socket
I bought a Raspberry pi 3, along with a touch screen that connects to the board, to all the GPIO pins.
I wonder how can I use the GPIO port for additional functionality, e.g. connecting servo motors ...
0
votes
1answer
61 views
Raspberry Pi Live Stream + Image Capture
I'm wanting to set up a camera using a PI. This camera will capture images of vehicle registration plates when motion is detected, to be checked and validated.
Is it possible to both live stream and ...
0
votes
0answers
12 views
Raspberry Pi 3 Model B interface with salavged Neato Botvac Lidar Unit [closed]
I did salvage a Lidar from Neato Botvac. When I try communicating it with raspberry pi 3 model B v1.2 using cutecom, all it shows is lots of break tags and few more like oxe0, 0xff, 0xc0.
The Lidar ...
1
vote
1answer
290 views
Raspberry Pi 3 Model B will not read SD Card
I have a new Raspberry Pi 3 and wanted to download OMV onto it, however, I can not get the Pi to read my SD card.
I have two different SD cards that I have tried but the ACT light never turns on.
...
-1
votes
0answers
18 views
How to I connect a PI3 to a DSRC RSU? [closed]
I want to connect a raspberry pi3 module to a DSRC RSU via ethernet cable and receive BSM packet data from it. How do I do that ?
28
votes
8answers
41k views
I failed to remote connect to Raspberry Pi 3 from Ubuntu
I just bought raspberry pi 3 with Rapbian Jessi with Pixel and I have a Lenovo laptop with Ubuntu 14.04 64 bit on it.
I want to remote connect to it from my laptop. I enabled the VNC server on ...
0
votes
1answer
2k views
Ubuntu MATE Pi not connecting to monitor?
I just flashed a MicroSD card with Ubuntu MATE. I booted up my Pi 3 Model B with it and the monitor is just showing a black screen. The monitor looks like it is connected to the Pi, because it is on ...
0
votes
2answers
186 views
How to send a file to RasPi from different computers?
It is first time for me working with RasPi.
I would like to send a file (if possible via mail in the form of attachments) to my RasPi, from one/more computers (which are connected via Wi-Fi).
Is it ...
0
votes
2answers
896 views
Connecting and reading multiple MPU 6050 sensors on raspberry b+ 3 model
Allow me to start by saying I'm an absolute beginner when it comes to raspberry pi . I've recently purchased a raspberry pi b+ 3 model ,two mpu 6050 sensors (which I had to solder) and connected each ...
0
votes
1answer
742 views
How do you put the serial values(from arduino) to a specific grid in Tkinter? (Python 2.7)
I tried to put values in the grids from a string. But the values are not showing or updating. How do you put serial values(from arduino) to a specific grid in Tkinter? When I run the code, no values ...
48
votes
4answers
236k views
How do I make serial work on the Raspberry Pi3 (or later model)
My Pi3 serial console produces rubbish and fails to respond to the keyboard.
-1
votes
1answer
875 views
Sd card not working after unplugging from the Pi
I just got two micro sd cards, I wrote latest jessy raspbian on the first, then pluged it into the Pi, it was good until I unplug it from the Pi, then trying to open it again on my PC, the PC could ...
1
vote
2answers
178 views
Raspberry Pi 3 + Win IoT Core + Mathematica, is it possible?
I am a Windows user so I want to install Win IoT Core on a Raspberry Pi 3. Afterwards, I also want to install Mathematica. Is it possible to install Mathematica on Win IoT Core?
Note: Mathematica ...
0
votes
1answer
29 views
Raspberry Pi Model B Current Overdraw from 3.3V Pin
I am using RPi3 ModelB V1.2 for a motor control project. I am connecting Pin1 (3.3V) for power to a micro dc motor. The current drawn by the motor is approx ~70 mA whereas the RPi sources mention that ...
0
votes
1answer
488 views
Push alsa capture volume over limit on USB headset
I want to push capture volume on my RPi3 with ALSA of my USB headset (microphone) over the limit that is, in my case, 6 dB.
I tried every example i've found and the only reasonable way seems to be to ...
0
votes
1answer
315 views
gamepad/joystick-> raspberryPi->nrf24l01->arduino; variable confusion between cpp and python
I'm trying to operate an r/c robot with joystick and a raspberry pi running Debian and an nrf24l01 to communicate the joystick commands to the arduino on the robot. I only really need forward/back ...
0
votes
1answer
31 views
How do I make my Raspberry Pi act as a wireless USB controller? Not over the same network but remotely using a 3G/4G & LTE Base HAT
I am trying to download data from a USB based device remotely. i.e. Using a WiFi dongle or 3G/4G & LTE Base HAT.
Am I able to install a driver for a WiFi dongle or 3G/4G & LTE Base HAT on an ...
0
votes
1answer
236 views
gstreamer on Rpi3, after gst-launch-1.0 reboot to white login screen
Whenever I use gstreamer to play a media file:
gst-launch-1.0 playbin uri=file:///home/pi/test.mkv
it always immediately reboot to the white login screen.
Have anyone encountered this? I have ...
0
votes
1answer
34 views
How to make Raspberry Pi connect to my Wifi using headless method?
I have followed many tutorials (actually they have been doing the same thing) on how to set Raspberry Pi to connect to my WIFI but I am not winning. I have used the Headless method and my network file ...
0
votes
1answer
417 views
How to run pocketsphinx_continuous (using nodejs) on raspberry pi 3 reboot?
I am using raspberry pi 3. I am using npm module pocketsphinx_continuous and it runs perfectly when I run node js code in the terminal. However, it shows 'close code error 1' when I try to run the ...
1
vote
1answer
255 views
Using an Xbee on raspberry pi 3 model b
I'm a complete newbie to using Raspberry Pi (pi 3 model b). I want to build a smart CO and smoke alarm from scratch, I know what sensors I want to use ( Mq 2 for smoke and mq-7 for CO), however I want ...
2
votes
1answer
162 views
part incompatibilities
I am trying to control a 4.5V motor with a pi.
I am going to use this to control the motor:
https://www.ebay.com/itm/2X-L298N-Dual-H-Bridge-DC-Stepper-Motor-Driver-Controller-Board-Arduino/...
0
votes
0answers
37 views
No analog sound in Raspberry Pi 3
I have a Raspberry Pi 3 with Raspbian Buster installed. When playing Youtube I get no sound through speakers connected by audio jack. After some research, I did the following:
1.Audio output is set to ...
1
vote
1answer
1k views
FPC protocol to HDMI for pi
Can you please help understand how I can connect 39pin FPC LCD to raspberry pi3? I guess it is not possible to connect LCD directly to pi display connector.
Is there FPC to HDMI converter module, ...
3
votes
1answer
990 views
RPi3 wireless issue CTRL-EVENT-ASSOC-REJECT status_code=16
It appears the wifi is working, and the device can see my SSID. However when it connects it gets an error:
CTRL-EVENT-ASSOC-REJECT status_code=16
I checked my router and the 2.5 GHz network settings....
