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33 views

install libraspberrypi on top of arm32v7/python docker base image

I'm trying to create a small footprint docker image to run a python app that uses GPIO and camera. Everything works fine when using FROM raspbian/stretch as the base image in my Dockerfile. If I ...
2
votes
1answer
50 views

GPIO pullups not working?

Sorry for the very basic question. I am trying to set a built-in pullup on GPIO pins and it doesn't seem to be working. Hardware is Pi 3B and 4B (I tried on both), OS is Raspbian 10 (buster). The ...
2
votes
0answers
20 views

PWM on pump not working as expected

I am attempting to run a PWM on a pump using rpi.GPIO using the following code: def run_PWM_on_pump(): gpio.setmode(gpio.BOARD) gpio.setup(8, gpio.OUT) p = gpio.PWM(8, 0.5) #also works at ...
0
votes
0answers
22 views

Do the PiJuice and SenseHat HATs clash?

I have two hats a PiJuice UPS and a SenseHat. The GPIO pinouts for each are https://pinout.xyz/pinout/pijuice and https://pinout.xyz/pinout/sense_hat respectively. When I stack my SenseHat onto the ...
0
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0answers
27 views

How to disable Raspberry Pi console output to monitor but keep rendering graphics [duplicate]

I'm building an application on Raspberry Pi that renders some GUI to the screen. I would like to keep rendering the GUI but get rid of all the "ugly" console logs during boot or when the GUI crashes, ...
-2
votes
2answers
77 views

How do I upload files to google drive automatically from raspberry pi or from PUTTY

The title says it all. I want a simple way to preferably automatically upload files from my pi to a google drive or something similar
0
votes
0answers
40 views

How to solve MPU9250 overflow problems?

I'm now working with mpu9250 for my master thesis, but I'm quite new to hardware device. My goal is to collect the data at the sample rate and postprocess these data via allan deviation. So I just ...
0
votes
0answers
42 views

RF ISM 433MHz Module Using Rpi RadioHead Low Speed Problem

I have a rf module 433Mhz which consist of a transmitter and a receiver, I used virtualwire and Radiohead library in Arduino and it's pretty fast. When I shifted that to rpi there were no dedicated ...
1
vote
1answer
31 views

Was stable now keeps crashing

My Pi keeps locking up - cannot interact with it via keyboard (even Ctrl-Alt-PrintScr commands) or anything else. Screen (console) frozen. Pulling power out and rebooting brings it up looking fine ...
0
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0answers
22 views

Can the SenseHat sense speed and direction?

I have a small robot car and I need to establish its direction and speed of travel. I have seen references to using the SenseHat to measure these but no detailed documentation. Could anyone confirm if ...
0
votes
0answers
12 views

Can not resize or move terminal window or browser windows

Having an issue I am using as raspberry pi 3. I switch to the desktop open up a terminal window and I do not get the entire window. So I can not drag the terminal window nor resize the window. It is ...
1
vote
3answers
99 views

How Can Rpi3B+ Detect MQ9 Gas Sensor's Carbon Monoxide Leakage, Without Using ADC?

I already have bmp180 sensor connected to raspberry pi 3b+, now I want to add MQ9 sensor like this https://e-radionica.com/en/mq9-gas-sensor.html Is connection straight forward like the bmp180? ...
0
votes
0answers
29 views

static IP configuration

I'm using strech version on Rasp and I'm facing difficulties to configure my wlan0 with a static IP address. I have 2 wlan, one is onboard (wlan0) and another one is a USB device (wlan1). I disabled ...
0
votes
0answers
23 views

Servo and DC/Stepper Motor Hats Together

I am creating a robot with my Raspberry Pi 3 B+. For my project, I wish to use 2x NEMA 17 stepper motors for moving around, and 2x SG90 servos for managing pan/tilt of the head. I already have an ...
0
votes
2answers
36 views

I2C Usage difference in Arduino and WiringPi

I'm using a device through I2C interface and I'm having some issues when the I2C bus fails, I don't know if it fails because an interferance in the cable or just timing issues in the Raspberry over ...
0
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0answers
37 views

Solder USB wifi right on to raspberry pi zero

I am trying to solder a wifi adapter right on to my raspberry pi zero so it takes up less space. I've followed this video and some other diagrams on how to wire usb devices right on to the pi zero. ...
1
vote
2answers
69 views

How to enable SSH without a Monitor or Screen

It's getting hard if you always plug HDMI cable to the raspberry pi, login and then turn the SSH service on with raspi-conf or other configurations methods. Is there any way to turn the SSH service ...
1
vote
0answers
11 views

Trouble getting hotspot to route through VPN

I'm currently trying to install a hotspot on raspberry pi for my smart room devices at university, but I can't seem to get the hotspot to route through my remote access vpn given by the university for ...
0
votes
0answers
36 views

SPI_Communication on Raspberry

for two weeks I have been testing the serial communication on my raspbrery pi2 and the microkontroler STM32G4. for the UART communication there is no problem however the SPI communication does not ...
0
votes
1answer
30 views

Pi Zero W: Second i2c Bus

I did a really stupid mistake - I set up a second i²C bus months ago, so I have two gyro sensors connected - but din't document it. I can see the connected devices with i2cdetect -y 1 and ...
1
vote
1answer
60 views

eduroam wifi login RP3b vs RPI4

I was wondering if there is any difference with the RPI3b and the RPI4 to login to eduroam network (WPA-EAP)? I have 3 rpi3b and i connect to eduroam without any issue. On th RPi 3B I have Raspbian ...
2
votes
1answer
26 views

pivpn inconsistent TLS handshake/authentication

I'm using pivpn(OpenVPN) on an rpi3B. When it works it works great, but I'm unable to successfully authenticate more often than not. I've tried it on 2 different wifi networks, with similar results. ...
0
votes
3answers
79 views

How to remote to Raspberry Pi from outside local network?

I have a Raspberry Pi, and I can connect to it and remote acccess it while I’m on my local network just by doing ssh pi@10.10.xxx.xxx. But now I want to be able to access it when I am on a completely ...
0
votes
0answers
44 views

systemd-networkd DHCP ethernet configuration using wpa_supplicant for eap-tls

I am having trouble making a connection to internal corporate network on my Pi3. I currently have Ubuntu Server 19.10 installed and am using NetPlan to manage the systemd.networkd configuration. What ...
1
vote
0answers
31 views

picamera incorrect buffer length

I am currently using a pi camera module to stream video using flask and at some point, it randomly crashes. I found a similar question over here and they say that clearing the stream helped them sort ...
1
vote
1answer
42 views

433mhz Status sockets project

I've been working on getting a Home automation project going for a while, using a Rasp pi 1b (26 pin header). This is a well trodden path by others, as it is a project to control status remote sockets:...
1
vote
1answer
36 views

Trying to access Local Network from eth0 and Internet from eth1

I have a Raspberry pi Device I want to use the (eth0) ethernet port/Cable to connect to a local network with ip range from 192.168.x.x. And i have a 4G usb dongle which connects to the internet on the ...
1
vote
1answer
29 views

Can't make an SSH connection to Raspberry Pi

So I tried to make an ssh connection with my raspberrypi (running raspbian ) over ethernet. This used to work but somehow it doesn't anymore. I think the issue is that my raspberry pi can't get an ...
0
votes
2answers
62 views

I2C MPU9250 Gyro/Accelero/Magneto 9-DOF Sensor MicroPython Programming Problem

so I've recently set up my raspberry pi. Am following a tutorial for the MPU9250, from https://github.com/tuupola/micropython-mpu9250. I have did a install of the micropython-mpu9250, and tried the ...
1
vote
0answers
25 views

Raspberry Pi - Line Scan like image

i got involved in a small hobbyist project in which a small ball has to be detected through a small gap. Accordingly there are only a view "lines" of a picture usable to find the vector "through" the ...
2
votes
1answer
61 views

No display output if I start raspberry pi and then start the monitor

If I switch on monitor first then switch on raspberry pi, it works fine. But if I switch on raspberry pi and then monitor or switch on both pi and monitor simultaneously no display is shown on monitor....
2
votes
1answer
32 views

OnionPi - No internet connection after adding Iptables rules

I need some help or advices since I've not know what could I do to fix this issue. I've built an onion pi following the adafruit tutorial. This basicly is a wifi hotspot that routes all traffic ...
0
votes
0answers
31 views

Unable to print with CUPS

I'm trying to setup a CUPS server on the rpi. I have a Brother HL1110 (USB connected) and installed the ARM driver as per instructions here https://support.brother.com/g/s/id/linux/en/instruction_rp2....
0
votes
0answers
21 views

POST A CPT IN A CAROUSEL

I am trying to make a dynamic carousel with CPT. My CPT works well and I added some articles but I can not display it. I am doing it this way: <section id="carousel"> <div class="row mb-...
0
votes
1answer
96 views

Connecting ESP8266 wifi module with Raspberry Pi zero to use home wifi

I have been following 3 sources below where I could set up my Raspberry Pi zero with Wifi using ESP-01 (ESP8266) but am still struggling to get it working. Wifi configuration 1 Wifi configuration 2 ...
0
votes
1answer
19 views

pigpio.error: 'no permission to update GPIO' Only on some pins

I am having an issue where I get this error 'no permission to update GPIO'. whenever I try to address certain gpio pins. I looked at other posts that had similar issues but they seemed to have either ...
0
votes
1answer
49 views

Desire line mapping with Raspberry Pi and Python

Desire lines normally refer to paths created by humans as a result of excessive use, as that path is the most efficient form of transportation. So if I mount my Pi Camera looking at an intersection, ...
1
vote
0answers
37 views

RPi 4 - 8 nodes - Appropriate switch for POE

I was thinking about an 8 port switch that can provide my 8 RPi's 4 power over POE. I think i have found one according to my needs ( small dimensions), namely the: Ubiquiti EdgeSwitch 10XP - https://...
3
votes
0answers
73 views

Raspberry Pi button bug, what is happening?

I am new user of raspberry pi. I have two buttons, and some code to run, yet the led will not react to the buttons. It's probably a easy fix, but keep in mind, I am new to robotic and have only ...
2
votes
1answer
22 views

Can I input/output an 8 bit parallel byte on eight pins simultaneously with Java?

Want to output 8 bits of parallel digital info on 8 pins of a 3B+ simultaneously. Input also. Java.
1
vote
1answer
42 views

Wireless USB Adapter not working on Raspberry Pi 2

I am trying to install a Wireless USB Adapter but Raspbian can't detect it. tp-link TL-WN725N | Raspbian 10.1 | Raspberry Pi 2 Model B I think the drivers were installed correctly, but I just ...
0
votes
1answer
36 views

Raspberry Pi 0 W spontaneous event triggering for an input pin

I have two "Cylewet 25Pcs AC 1A 125V 3Pin SPDT Limit Micro Switch"-es that are normally open and connected to two of the Pi pins with internal pull up resistors. Left unattended, they call ...
2
votes
1answer
48 views

How to get acces torrents using Transmission?

I have installed transmission on my raspberry pi and im going to use it to download audiobooks and stuff like that. The torrent I tried to download is now in .torrent format (/.config/transmission-...
0
votes
0answers
57 views

Start Google Assistant on boot

I have set up a Raspberry Pi with Google Assistant. All working fine, but I would like Google Assistant to start in a terminal window automatically on boot. The commands to start Google Assistant are: ...
0
votes
0answers
35 views

Raspberry Pi alexa Pi setup

I'm trying to make an Alexa on my RPi and need help with an rror i' having. I am using the command: sudo ./AlexaPi/src/scripts/setup.sh To which it returns the error: E: Unable to locate package vlc-...
0
votes
0answers
25 views

Linphone graphical with Raspberry pi 3/4

I have already installed linphone no-ui version. Basically, the video communication is in single direction, only pi to remote user. I followed the official link to install it on pi. https://wiki....
1
vote
0answers
30 views

Micro HDMI to VGA MOnitor for Raspberry PI 4b

I'm using a Raspberry Pi 4b. I want to use my Acer LCD Monitor Version G206HQL bd, which uses VGA or DVI inputs. I am also using a Micro HDMI to VGA adapter for my RPI to communicate with the monitor,...
3
votes
1answer
97 views

How to get curent cpu mhz on a raspberry pi with python?

I need a sample program that will put the current CPU MHz in a variable with python. I prefer a short compact program. Thanks in advance.
11
votes
3answers
3k views

Do wireless and wired connections have separated bandwidths?

I have a Raspberry Pi 3 B+ board and I am trying to connect it both to a local wireless hotspot and another machine via cable. I am not connected to the Internet on any of the devices and all data ...
0
votes
0answers
16 views

Raspberry Pi goes blank after 10 mins or so, until the resolution is changed. and repeats

so I just got a really cheap and free desktop monitor from work, that's like 1280x1024 resolution. Now when I first connected the pi to the monitor it failed to boot at all... which was weird, but ...

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