Questions tagged [data-transfer]
Data transfer refers to the movement of data from one medium to another. This is commonly achieved via the dd Unix program.
112
questions
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How to receive serial data with c# on a raspberry with mono
Hello I want to make a program for the computer and the raspberry, this program must ensure that the raspberry and the computer can communicate via serial. I have already found a code that does this, ...
1
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1answer
87 views
PedalPi, lag when piping in data
I am modifying a pedal pi (link here). I split the input program from the output program. For simplicity right now, that all it does. The standard out from my input program is being fed to the ...
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0answers
19 views
Data transfer to Cloud in case of unstable WiFi link
I am building a small IoT system using a Raspberry Pi. On one side a sensor on the other side the cloud for data storage. Between the Cloud and the pi there is a WiFi link. This link is not stable, it ...
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0answers
60 views
Connect with VNC to RPI 3B+ via Bluetooth
I want to do VNC via Bluetooth between my Raspberry pi 3b+ and an android phone.
Some forums say that bluetooth technology is so slow to connect VNC via a DUN network, but I was doing some research ...
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1answer
30 views
Bootable USB or Pendrive are not detected in Raspberry pi 3B+ for data transfer or format
I want to copy a file raspberry pi 3B+ to my Desktop machine. I had plugged the USB pen-drive in raspberry pi 3B+. But pen-drive is not recognized. Did I missed anything as in case of pi?
Thanks in ...
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1answer
43 views
How to connect a geophone to RaspberryPi?
I'm a seismic geophysicist and would like to attach a geophone
- which is basically a transducer - to any type of RP. The types and costs of geophones are both variable and extensive (in some cases). ...
1
vote
1answer
32 views
Share data between different
I'm building a floor heating control with raspberry pis. Until now I have two Pis working, one which controls the valves via relays and another which works as "central" with a webinterface to adjust ...
1
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1answer
51 views
Why Raspberry Pi Zero W is missing to log data constantly every second?
I'm doing a project where I want to record IMU (Inertial Measurement Unit) readings. I want to use pretty high sampling frequency and I'm using Raspberry Pi Zero W to send PWM signal of 800Hz to ...
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1answer
88 views
Raspberry Pi 3 + USB data modem as a Wi-Fi Router
I have a USB data modem (Huawei E3131) and a RaspberryPi 3B+. I would like to use the Pi as a Wi-Fi hotspot. Pi connects to the internet via USB data modem and creates hotpsot for other devices. So, I'...
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1answer
75 views
Slow Transfer Speeds When Multiple Raspberry Pi Zero Ws Connected Over WiFi
I'm working on a project that uses the pi camera module and 35 or more Raspberry Pi Zero Ws to take pictures and send them back to a central computer. Everything works fine with just 1 Pi connected, I ...
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1answer
70 views
How to setup pi to save files on PC directly via USB?
So my Pi has very little processing power. I need to use my PC for it. So how do i make a quick automatic transfer of files generated in a folder from Pi to PC (doing it over FTP might be a way but is ...
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0answers
102 views
Data transfer from Raspberry Pi to Microsoft Azure Cloud
I am trying to send the data measured by my Smart Plug into the Microsoft Azure Cloud so that I can visualize it there later.
I have a python program (the original is from BeardMonkey https://www....
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0answers
144 views
Read data from a balance via RS232 port using rs232 to usb converter cable in rapsberry pi
I am a beginner to this,
I have a balance (scale) that I need to read the data (weights of material) from. Data will be read every 10 seconds and I have looked up RS232 codes in here and utilised ...
0
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2answers
689 views
Uploading a file via SFTP from a raspberry pi to a remote server. From the command line
I need to upload files from a headless raspberry pi to a remote server.
A simpfied example:
The file to transfer
/tmp/test.html
Remote location: something.com
Port 22
Username: user1
Password: ...
0
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2answers
2k views
Raspberry Pi with USB 3 (or 3.1) and enough power to use 2 drives
I bought a new camera which writes a lot of data onto SSDs, which I then would like to transfer onto HDDs.
I thought about using a Raspberry Pi, but I was told it doesn't have enough power for a ssd ...
1
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1answer
94 views
Handle data while filming with rPI [closed]
We will buy the BMPCC4k (This means 500GB/hour on a ssd), as we are a low/no-budget production, we can't have someone handling data.
I had the idea to use a rPI3+ to use for this.
But I'm not sure if ...
0
votes
1answer
47 views
Wiring on RPI3 when connecting two peripherals - microcontrollers simultaneously
I am currently having an ADC(MCP3008) connected to a rpi3, using the following wiring map, in order to read data from analog sensors.
MCP3008 -> RPI3
VDD -> 3.3V
VREF -> 3.3V
...
2
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2answers
133 views
Using /mnt vs /media for Transmission storage on external hard drive
I was wondering if it makes a difference to mount an external hard drive at /mnt vs /media.
I'm making a Transmission seedbox using an RPi 3b+, and different tutorials are suggesting different things....
1
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1answer
44 views
Read micro sd card on PI zero
I have been searching for hours for a way to connect my pi to a computer and read/write data to the micro sd card. Is there any way to do this, and if so how?
1
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1answer
498 views
cannot connect to pi via sftp filezilla on mac but ssh via terminal successful
I am fairly new to command line and rPi, all previous experience has been desktop & web apps and have fallen at a major hurdle with my new Pi.
As the title suggests I am struggling to sftp into ...
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0answers
78 views
Data acquisition using DSO 2150 (Hantek, Virtins, etc.) in Raspberry Pi
I have Virtins 2815H which is a DSO based on DSO 2150, I would like to real time record a signal around 1 MHz using it and process it in Raspberry Pi.
I have searched a lot about the data comm from ...
0
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2answers
672 views
Transfer files from Raspberry Pi Zero W to PC over USB
I would like to transfer files from Raspberry Pi Zero W to PC over USB interface.
Is it possible?
My idea is to first use Pi Zero standalone to run an application, which generates some files on the ...
0
votes
1answer
544 views
Sending data to and from raspberry pi 3 wirelessly using wifi / sim network data
I'm looking for advice regarding sending and receiving data between raspberri pi 3 and other devices assuming everything has internet connection.
The data I'm looking to send doesn't have to be ...
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3answers
3k views
Connect RPi to PC with direct Ethernet? [closed]
I am trying to transfer files from a PC to a RPi but I can’t find a way. Please help.
Explanation: the PC is actually a Windows device on which I can’t make any installation or configuration. This ...
0
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1answer
91 views
RPi, php, python and string lengths
Are there limitations on the length of strings passed to php by python in a service?
I had a php service running that retrieved data from a python script.
Worked well.
I decided to add data from ...
0
votes
1answer
1k views
Sending Rpi local data to an online Server (MySQL
I'm using a raspberry Pi zero w with temperature sensor, i don't have a continuous connection that's why i'm saving the temperature data on a local MySQL database using the following command
<?...
0
votes
1answer
129 views
How can I receive sensor data from my raspberry pi when it is far away from any wifi?
Let's say I want to use a raspberry pi for a research project. The raspberry pi would be placed in a secure case(power has been taken care of and is not an issue). However, it will be in the middle of ...
0
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1answer
107 views
Raspbian Stretch - Data Usage Optimization
I have just installed clean Raspbian Stretch Lite on an Raspbian Pi Zero W.
Only installed two applications (Remote terminal and mqtt with connection to google cloud).
All applications was updated/...
1
vote
1answer
65 views
Share internet connection with mulitple Pi's
Let me first start by saying I am very new to this stuff, only about a week into looking at all the options out there. From what I have found Raspberry Pi will be what I need for a project and I know ...
0
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0answers
202 views
Send Data using Raspberry Pi's Serial Number
Actually I have many Raspberry PI 3 Model B and I am able to find Serial Number of my Raspberry PI using Python script. But I can't able to send data from Cloud to specific Raspberry PI using it's ...
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1answer
2k views
Communication between Raspberry Pi and STM32
I am working on an ECG signal processing project to detect heart arrhythmia in real time and notify the doctor via SMS , initially I was using a raspberry pi 3 b+ for the processing an AD8232 ECG ...
7
votes
1answer
784 views
Raspberry Pi zero bluetooth max transfer speed
What is the maximum theoretical limit for bluetooth transfer rate from a raspberry pi zero W to Raspberry pi 3 using RFCOMM?
They both have bluetooth 4.1, which, on wikipedia saids can reach speeds ...
5
votes
1answer
517 views
Rasberry Pi zero and 3 bluetooth transfer speed is slow RFCOMM
I am trying to send a series of bytes from the Raspberry Pi zero W to the Raspberry pi 3 via bluetooth. Im using the PyBluez python package.
I believe that Raspberry Pi Zero has Bluetooth 4.1 and ...
0
votes
0answers
295 views
How to collect data from server to LibreOffice Calc
I have Mosquitto and Node-Red installed on my Pi 3. I want to be able to log the data into a spreadsheet of some sort. Is there a way to do this with Calc or a spreadsheet of some sort on the Pi? The ...
0
votes
1answer
374 views
How to stream data to device using adhoc connection?
I have a Raspberry Pi Zero W running Raspbian OS which is connected to a few sensors. I can broadcast the sensor data from the Pi to my Android tablet for display. I've written a UDP socket/client ...
0
votes
3answers
2k views
transfer files between raspberry pi-2 to pi-3 without using bluetooth
I have a pi-2 and a pi-3 and I am trying to transfer some files from the pi-2 to the pi-3. Is there a way besides using Bluetooth to do it?
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1answer
161 views
SSH File Transfer Fails: No Route to Host
I have a Raspberry Pi 3 fully set up. I can access it via SSH and it is completely configured.
When I copy files with FileZilla via SFTP everything is okay, but when I copy files with ES File ...
0
votes
1answer
228 views
Recover files from RPi after doing chmod 777 / -R?
I know, I'm an idiot, I have no backups, let's move forward. Is there any way I can get the files off the SD card? I did sudo chmod 777 / -R and can no longer connect to the device over SSH or SFTP.
2
votes
1answer
567 views
Transmit/Receive binary data from one RPi to another
I am looking for a way to send and receive data from one RPi to another through binary means.
The end goal of this is to communicate through optical means (LED -> photodiode), which only accepts ...
1
vote
1answer
4k views
Multiple Raspberry Pi communication
If I have four Raspberry Pi acting as different sensors and I want to communicate their sensor data to a central computing device located in the same physical space, what type of network communication ...
1
vote
1answer
229 views
Send encoder data to Mobile app using bluetooth
I have a requirement wherein I need to measure the distance travelled (Real-time) and display it on an app on a tablet present inside that moving vehicle.
I have a setup wherein I have connected the ...
0
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1answer
142 views
How to check for sd and transfer files automatically
I was wondering how I could check for an sd card on my pi and once one is found it automatically transfers files from it to a usb/sd/hard drive.
2
votes
2answers
114 views
Trying to run a script from reboot and then send it to my PC automatically
I am trying to run the following script from reboot:
from gpiozero import MotionSensor
from gpiozero import Motor
from picamera import PiCamera
import datetime as dt
from time import sleep
camera = ...
0
votes
1answer
187 views
limiting the file accessablities while using FTP
I am new to things like FTP and such. I have a data collection program on my Pi. I need this data to be extracted by a PC with in my network, but I do not want them accessing all the other folders. My ...
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1answer
5k views
Digital data reading using GPIO
I want to do an experiment using Rpi and Arduino. Basically Arduino will send a digital data to Rpi's GPIO. This question says how to do it using USB.
I want to read it and display in the console.
...
0
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1answer
247 views
How to send and receive data between RPi and PIC33E microcontroller via USB?.
This is my first project with PIC33E, and both the devices will be connected by USB only.
Rpi will have a User Interface (written in Python) and which will enable the user to send and receive data.
...
4
votes
4answers
568 views
Weather Balloon - How to Transmit Data? [closed]
I am thinking of making a weather balloon, but I have not found a way to transmit data between the ground station and the balloon. Do I have to buy a special part?
And if I do, what is the cheapest ...
3
votes
1answer
5k views
Does Raspberry Pi 3.0 support HDMI 2.0 standard?
I am not able to see specific protocol version of HDMI (1.4 or 2.0) supported by RPI 3.0. Basically I want to take HDMI 2.0 output from RPI and provide it to my device.
Also can we measure the rate ...
0
votes
2answers
225 views
What is the best way to send data from my RPI to my PC?
my pi reads data from sensors and I want it to send the data to my pc, and whenever the pi reads a new value, it must send it to the pc automatically and save it in a text file and appends it to it. ...
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votes
1answer
62 views
Problem with too much data in txt file and database
Hi guys once again I got serious problem with my project.
I wanted to make a system which register measurement from tilt sensor(which can be high or low)
after that it is saved in txt file and then ...
