All Questions

Installed NOOBS on an 8GB SD card and installed Raspbian. Then, installed Adafruit's Pi Video Looper. Inserting a USB stick with a video, the 1280x720p video played back choppy, not fluid. I severely ...

I have a RPi 2 B for which I recently got a PiCam. I connected it to my Pi and when I powered the Pi a red LED on the cam came on. I tried enabling the camera module in sudo raspi-config , it even ...

Can I use MCP3008 to input analog signals to Raspberry Pi Zero? If not, Which is the cheapest version of Raspberry Pi?

I'm using a Raspberry Pi 2 Model B Rev 1.1 with Raspbian GNU/Linux 9 (stretch). When I Try to change the keyboard layout in raspi-config I get following error: pi@raspberrypi:~ $ sudo raspi-config ...

I am very confused and hoping someone can point me in the right direction. What I would like to achieve is converting an external relay switch (from a normal everyday gate receiver) into a signal ...

I've bought a 433mhz transmitter receiver and I made a check on model SODIAL(R) 015274A2 the strange is in two links we have 2 differente specs, one says: https://www.amazon.com/SODIAL-433Mhz-...

I have a problem with the roaming option of wpa_supplicant on the raspberry pi. I tried to configure roaming and it works, but far from good. Most of the time the pi just dont connect to another ...

I recently restored a pi 3 from a backup. Before the incident that required the restore I had it booting from a USB SSD hard drive. To restore the operating system I simply copied the root directory ...

I bought a RTC DS3231 because of the accuraty of time (2ppm, I was searching an accurate RTC). When I received it, I checked that in the encapsulating it is as well marked like DS3231. But, after ...

i wrote a python code using selenium to interact with a headless browser. Now I'm trying to transfer the program to my raspberry so I don't have to keep my Laptop online all the time. I altered the ...

I am currently working on a project where i have micro-controller,stepper drivers etc all powered through a single 12v 10a power supply. I was planning to use the same supply to power the raspberry pi ...

I am using Raspberry Pi 3 B+ and I want to run a 5 volt DC motor with RPi.GPIO, I have written a code: import RPi.GPIO as GPIO from pip._vendor.distlib.compat import raw_input u = raw_input('how ...

I want to know if there are any specific technical reasons for not just unplugging a USB drive that is still mounted, provided: 1) All open files on the stick have been written to and closed 2) The ...

I know, this sounds like similar responses. I have tried editing config.txt however it appears that some code in it is still running after i boot with the raspberry pi with a touch screen. I did also ...

I'm remoting into a RPi Zero W using SSH. The RPi is connected to the internet via Ethernet cable. I want to set-up the WiFi at the current remote location and check that it will work when the ...

I'm trying to start netplay and it works on the other raspberry but on mine if I start it with netplay it sends me back to the menu. I updated everything. Anyone any suggestions

Can anyone provide me with an example of activity that would stress test my raspberry pi?

New Rpi 3B+, fresh download of Raspian image, Boots OK, Goes through the setup (localization, time zone, etc), and even finds my WiFi AP and asks for my password. But, WiFi says "Wlan0 not associated"...

I currently have a setup that includes two HC-SR04 sensors, a breadboard and some LEDs. I can control the LEDs based on the distance readings from each sensor just fine. I want to add more senors and ...

I'm trying to adjust the background on my Raspberry Pi via a bash script but I can't seem to find a way to do it without using a GUI. Does anyone know a way of doing this? Thanks, Richard

I have a dual screen setup (fb0, fb1) and was wondering what's the best way to open a web-browser window in full mode one on each screen at boot. Each will have a diff url. Using latest raspbian on a ...

I'm new to Raspberry world, I received a pi3 model as a gift. I noted that there is a generalized problem when Wi-Fi and Bluetooth modules work at the same time, for example with a Bluetooth mouse/...

When you plug in power cabel and hdmi with no SDcard will it promt on screen? Or do i need an OS to even get it to promt? Just got mine and i cant get it to promt on my screen.

Is there a way you can query the model and revision of a Pi from a script without accessing files that are generated at install time for the OS? I have a project where a web page needs to display the ...

Pi model: Pi 3 A+ Os: Raspbian GNU/Linux 9 (stretch) <- it's stretch lite SPI: On Loop back test: spi mode: 0x0 bits per word: 8 max speed: 500000 Hz (500 KHz) TX | FF FF FF FF FF FF 40 00 00 ...

I have been using SSH remotely, enabled it though sudo raspi-config, and then a week or so later I tried to connect through PuTTy and it timed out. Checked the config and it was disabled... Any ideas ...

I'm currently working on a project where I have 2 RPIs both with multiple sensors e.g. dht22, sw-420, photoelectric IR optocoupler and they are connected to cloudMQTT. What I need is that the data ...

Currently I am using a pi 3 model B+ as a mopidy server. I set this up at home and I was able to access the pi with the hostname from a browser (e.g. going to http://hostname.local/ in a browser). I ...

I am currently working with a differential drive robot which has two wheel encoders connected to GPIO Pins 5 and 23. I managed to obtain velocity information based on the pulse time information ...

I'm streaming raw h264 using raspivid on Raspberry Pi 3 and PiCam v1 . However, even I set the h264 profile to main or high, stream only contains I and P frames. Here is the command that I use for ...

Totally lost on this. I accidentally fried my pi by connecting the wires on a Motor driver the wrong way round! So, new PI and as I didn't update Raspbian I had to download Noobs to a new card. Up and ...

Is there any way to delay the start of the Motion service on RPI restart? I'm having an issue where v4l does not make it yet to provide /dev/video0 but Motion is already trying to open it and ...

I have the IVMECH v2 (a raspberry camera multiplexer) and want to capture a image pair (1 from each of the 2 cameras) as close together as possible. Which code should I be looking at from their github?...

I have a potentiometer that is used to adjust volume level along with MCP3008 but even if I don't touch it, its values are going and coming as following. Press Ctrl-C to quit... Channel 0 minus 1: ...

So right now I have the following items in front of me: Raspberry Pi Model 3B The power cable / plug that comes with it 2x MG995 Servo motors (<- open short compact datasheet for voltage info) 2x ...

I've just set up a Raspberry Pi Zero W - my first Raspberry Pi. I've loaded Raspbian into it without trouble, but I can't connect it to WiFi. It can find my home network easily, and lets me key in ...

Looking at the SD Card (32) it has 6 partitions, I would like to use berryboot and have a choice of OS's there are only 2 partitions used on the SD card, can I or should I expand the the 2 used ones ...

I have installed libnotify-bin, and notify-osd All looks good. Yet when I do $notify-send 'hello' I see nothing Is there a service that I should turn on or something? Jerry

from picamera import PiCamera import time camera = PiCamera() camera.resolution = (3280,2464) time.sleep(2) camera.capture("test1.bmp") # This code doesn't work #camera.capture("test1.jpg") # This ...

I connected a 320x240 TFT to my Raspberry Pi A+ running Raspbian stretch via SPI and set it up as fbtft_device. It shows up in /dev/fb1 and I can write images to it via pygame. I initialize it like ...

It can be long discussion, because there is no single solution around this, so, to cut the story short, I will tell where I stuck on my way. It is AndroidAuto (media centre in car on raspi) project I'...

I tried to connect my Raspberry Pi with the Huawei Surfstick. All the tutorials i watched so far didn't helped me. If i plug in the Surfstick the raspberry shows that it is associated with it and has ...

I am distributing multiple Raspberry Pi OS images, all images are almost identical, the only difference is that there is one file /usr/MyFolder/MyFile.txt which content is different for different ...

i had a real waveshare 3.5 lcd. and, i try to edit config.txt. i'm try to edited speed=41000000,fps=60 and speed=36000000,fps=60. refresh rate is worked so smoothly! but display's color is terrible. i ...

I am working with the PIGPIO library to run stepper motors. I am using wavechains to the STEP pin of the driver. I need help regarding the possible pulse frequencies available for wavechaining. I ...

I want to install on my Raspbian Lite (I already installed basic xinit packages and I'm able to run a graphical jar app without problem) a simple network configuration with GUI. My goal is to connect ...

I flashed the latest Retropie image (4.4) and it boots with a resolution of 640x480 when connected over HDMI to my 4k TV. I used the correct Retropie image for my Pi 3. I confirmed the screen ...

I feel that I may be making a mistake in my plans to host my own DNS for a domain I own. I want devices within the private network to all have subdomains to my main domain, e.g. laptop.example.com, ...

Because my project is in the field and not in a lab, power consumption is a significant issue. According to specification an idle Raspberry Pi 3B+ bare board has a current draw of 330mA. Long term ...

Problem I want to use raspberryPi's Chrome from my Mac in order to watch some videos. In order to do that, I am trying to make VNC connection. Condition raspberry pi and my Mac uses different ...