All Questions

My Rpi needs to connect to an EC2 instance. This works fine when the Pi is connected to internet using ethernet or my home wi-fi, but stops working when connected via an iPhone hotspot. I'm using a ...

I've got a problem. I'm making server for Minecraft server in Raspberry Pi 3 B+ and I want to open port 25565. I can't do it. I looked up many forums and videos and all people make this with setting ...

Looking to get a raspberry pi to make a portable games console like the switch for my family. It needs to be portable which is why I am using a pi, but I want to run games that are downloaded onto the ...

I am trying to get composite video output from my raspberry pi to feed into my old CRT TV. I tried multiple times but without success. I bought an 4 pole 3.5mm RCA cable which was not according to the ...

Hello RaspberryCommunity, Well I am new to raspberry pi, and I would like to ask if how can we[b] catch error in the printer.[/b] Like paper jam or no paper available in the printer. I am now ...

How to setup email with outbox. If in case internet connection is not available the unsent email will be in outbox and once internet is available it will sent all unsent email in outbox accordingly?

Is there a way to use the external interrupt feature of Raspberry Pi using MATLAB? The MATLAB only supports read and write to I/O's. I am using Raspberry Pi model 3 B. I am trying to execute a routine ...

I am trying to interface bmc280 & tsl2561 together with Pi Zero. I have connected bmc280 to Pi Zero and able to read the data over i2c. Now I want to add tsl2561 t read LUX. Is it possible ?

anyone can recommend me a good RPI project for an irrigation system maybe using something simple as node red? want to be able to control and sense CO2 Temp Humdity water flow water temp Fans ...

My only possibility to connect with my raspberry is over ssh. I have crated a file named 'ssh' on my card as described in this post https://hackernoon.com/raspberry-pi-headless-install-462ccabd75d0 ...

I'm trying to make a backup of my raspberry pi (raspbian) so I can come back to this backup just in case something bad happens. The problem is that I only have 1 SD card. I know that you can use SD ...

I want to setup a LCD display on my Raspberry Pi, but I have no internet on it. the instruction says running this in cmd is needed: sudo REPO_URI=https://github.com/notro/rpi-firmware rpi-update My ...

I am trying to get my pi zero to act as a HID USB keyboard when plugged in to a computer, following this guide. I finished the configuration, and I get to the "Keyboard / Mouse / Joystick (HID)" ...

I am aware that there has been alot of questions about using dedicated Nvidia or AMD GPUs with the Pi (I have asked a few of them). But ARM (mali core ) and Vivante among other companies appear to ...

whenever I am doing rsync of large files , I noticed the rate of transfer goes down as it reaches transfer completion. why does it happen ? when I start it always start with 10Mb/s.

I've been reading this document: https://www.raspberrypi.org/documentation/hardware/raspberrypi/bootmodes/bootflow.md About the boot process of the Raspberry Pi. I want to make a simple "Hello, ...

Tried using this guide to install NOOBS on a micro SD card. After formatting the card with GParted to fat32 format, I simply unzipped the files from this page (NOOBS_v3_0_0.zip) and dragged all the ...

So I use MPU6050 to get acceleration from stepper motor linear rail movement(steper motor working in thread, I use pigpio for the motor) by make the MPU6050 can work on threading and it can show data ...

I'd like to hook together two Raspberry pi 3b+ to use jtag/SWD with OpenOCD. I learned it can be done, but implementing it has proven challenging. I have two questions: How to connect the Rpi's. If I'...

After running the command top on Raspbian, I get the following result: KiB Mem : 948956 total, 249788 free, 549408 used, 149760 buff/cache KiB Swap: 102396 total, 3836 free, ...

I'm looking for a relatively cheap flow-through air velocity/volume flow rate sensor that will work with raspberry pi and very small pressure difference (<2psi). It doesn't need to be too accurate ...

I have a Raspberry Pi Zero and I am attempting to use it to wake up a computer. Wake-on-LAN is not an option in this case. I have configured the Pi to function as a USB keyboard in gadget mode by ...

Upon running the following script my relay stays open when the GPIO pin is set to output. In all my attempts. there has not been any way for me to alter this behaviour. The code I've ran: import ...

I want to practice Raspbian OS in my windows system(Windows 7 64-bit). Please suggest best and safe application

I installed ibus(m17n) and added a telugu input method. I also installed telugu font package(fonts-telu). But I am not able to use telugu(after selecting it in the task bar icon) input method in ...

So I have a Raspberry Pi 3+ running OctoPrint. I also have an HDMI IP camera attached to my 3D printer. Because the stream for the camera is not compatible, I have another server running the VLC ...

I have 2 Raspberry Pi and an Android Tablet and the Tablet is supposed to be controlling the Raspberry Pi via the webserver from the Pi. The Android Tablet has a Wifi Direct application and I was able ...

I know, many a port forwarding question has been asked before... But I've been struggling with my router for days now, wasting too many hours, reading everything I can find online and failing to make ...

I am succesfully able to connect to my raspberry running raspbian stretch lite via ssh on my home network. When i move my raspberry to another home network i keep receiving "connection refused". ...

The various models of the Raspberry Pi comprise numerous test pads (testing pins). Many of these pads however are not mentioned or properly labelled in the official reduced schematics the Raspberry Pi ...

In my /etc/fstab, I have this: //nus2000/z /mnt/nus2000 cifs username=z,password=z,workgroup=MSHOME,users,auto,user_xattr,nofail,vers=1.0 0 0 Then I do: sudo mount -a Then I type 'mount' and see ...

So, I have a project where I need to send and receive data from multiple devices (phones and a laptop) over a wifi network created by my raspberry pi. I have successfully created the wifi network by ...

I have a setup in which one Raspberry Pi 3 is publishing ethernet multicast traffic and another Raspberry Pi acting as a subscriber. Both are on a wired connection, plugged into the same switch and ...

I would like to transfer sound from my pi to another machine. For instance, if I was remotely logged in to my pi and executed an(y) application which produced sound I would like this sound to be ...

i'd like to stop the omxplayer exactly at the last frame of each video. Is this possible?

What I want to do is something really simple just like in an ordinary computer you can set the boot order, I'd like to do this on a raspberry pi, if there is a bootable usb media use that, if not fall ...

I've been having connection errors on my Raspberry Pi 3B using pymodbus. Designed a board using MAX14854G as the RS-485 transceiver that is connected to the RPI3's UART pins (8 & 10). Currently ...

What is the simplest way to synchronize GPIO state (states are: 1 or 0) between two Raspberry devices connected via Internet ? What I need is immediately change GPIO state on Raspberry 1 if Raspberry ...

I'm using my pi to power several relays. A total of ~20 relays (a 8-relay board and three 4-relay boards) I'm also running home-assistant Yesterday i noticed that when i try to power them all up, ...

the problem is my raspberry pi 3 doesn't show the correct date and time.i edit this file: sudo nano /etc/ntp.conf with correct server addresses and i try this commands : sudo /etc/init.d/ntp stop ...

I want to know whether two raspberry pi can communicate if they separated by 500 meter.

Can i set up a servo in a specific way so i can use it, remove it, then connect it again through wires. Will this mess up codes? Ex: making an opening flap for an r2d2. Can i remove a set servo from ...

On my Pi3B+ I had pigpiod configured to run on boot and I can successfully run compiled c programs; specifically DHTXXD.c which contains:- /* DHTXXD.c 2016-02-16 Public Domain */ #include <stdio....

I am working on a project where I have 2 wireless network cards on a pi 3B+. The internal wlan0 and an external wlan1. I need to have wlan0 work as an access point, and wlan1 to work as part of a ...

I want to have an indicator that the Pi is running an wired a LED to GPIO 21 (with a resistor). When manually turning on the LED via /sys/class/gpio the LED turns on. Unfortunately, it does not give ...

I have set up an mcp3008 chip and a slide pot on my pi because I wanted a nice old fashioned volume control, and all of that seems to working fine and I am quite happy with it. Now I have 7 ...

younghoons-MacBook-Pro:~ younghoonkim$ ssh pi@192.168.10.110 pi@192.168.10.110's password: Linux raspberrypi 4.14.79-v7+ #1159 SMP Sun Nov 4 17:50:20 GMT 2018 armv7l The programs included with the ...

I have a Kistler type 8921 which produces 1g (10m/s2) RMS (at 159 Hz). The ADXL345/Raspberry Pi 3 setup should produce similar g's, but currently doesn't. As can be seen, it is not just about a ...

UART data transmission Raspberry pi UART (RX TX) Arduino I know should avoid async void. They are only used for event handling. For other methods return Task. async and await Where can there be a ...

How do I take the readings when the pi is placed in the field? Also, how can I add a sms alert when the readings go beyond a certain limit?