The networking tag has no usage guidance.
0
votes
0answers
19 views
How to network multiple Arduinos so they react to the same signal
I want to build a project that contains multiple Arduino nano's, each connected to one controlling Raspberry Pi. I would like to send one signal (a string of characters or numbers) which would be the ...
0
votes
1answer
57 views
Doesn't work radio transmission from Arduino Uno to Arduino Pro Micro
I have Arduino Uno, Arduino Pro Micro, XY-MK-5V and FS1000A.
I need transmit data from Pro Micro to Uno.
Transmitter:
#include <VirtualWire.h>
void setup() {
...
0
votes
1answer
15 views
SFML Packet and Arduino
Can the sf::Packet class of SFML-network be ported over to arduino for use with the Ethernet library or would it be too big? I'm working on a client-program where an arduino is a server and a regular ...
0
votes
1answer
28 views
Arduino resets when I call network.begin()
I have included the RF24Network library in my project. I tried to use the Simple Transmit/Receive example from here but when it calls the network.begin() my arduino restarts. I placed some ...
0
votes
0answers
114 views
connecting arduino+wifi shield to laptop hotspot without router
I am trying to connect my arduino to my laptop by wifi connection.
therfore I combined an Arduino Uno and a WiFi shield (official).
On the windows 8 laptop I am starting a hotspot.
To start the ...
0
votes
0answers
400 views
Arduino Ethernet shield server and client at the same time
Hardware:
Arduino Mega 2560 Rev3
Ethernet Shield Rev3
A sensor
Goal:
Take value from sensor, upload it to ThingSpeak
Host a web page on the arduino
Question:
I've done both things in the ...
2
votes
2answers
80 views
If I have a group of Arduinos connected via I2C, can one Arduino cause the rest to freeze?
I have a group of four Arduino boards connected via I2C. One is the master, which sends and receives values from all of the others. I noticed that the Master will stop executing its loop if power is ...
0
votes
1answer
818 views
Arduino TCP communication with android phone
I am trying to communicate Arduino UNO with android phone, What I trying to is
1) android device post a string to arduino
2) arduino post a integer to android
So far I can post message from ...
0
votes
1answer
80 views
How to return a message when calling by a TCP connection?
I am working on a communication between android and arduino board.
The android make a TCP connection with the board and successfully send some string to the board.
The problem is , there is a int ...
2
votes
1answer
386 views
Arduino and ESP8266 Web server
First things first, if there was an ESP8266 StackExchange, I would post this there.
I am setting up a web server that will programmaticly be controlled from an external Python script, and I am ...
1
vote
1answer
208 views
RF network using Arduino
I am working on home automation project. A network consists of one master device and many (maybe 10-20) slave devices, all communicating via these RF modules. I am using arduino in slave devices. ...
0
votes
0answers
36 views
Randomized Byte for ethernet shield and R3 Uno Changes DNS
I used the ethernet web-client code from the arduino library but used 'random()' in place of the IP. It now shows DNS as different than what my subnet actually uses but the connection still works.
...
1
vote
5answers
2k views
How can I run multiple programs on an Arduino?
I'm trying to get students to experiment with Arduino. However, due to a lack of boards, two teams of students will collaborate on each board. They will push their own code (independent from each ...
0
votes
1answer
193 views
WiFi UDP.endPacket() continuously fails
I am attempting to send data from my Arduino to my computer using the WiFi shield. However, my code is erroring out on UDP.endPacket(), and I do not understand why. Here is my code:
#include ...
3
votes
2answers
473 views
Is it possible to use ESP8266 modules interchangeably?
I discovered that there are multiple types & versions of ESP8266 modules.
I'm wondering:
Build my application around one type (eg ESP-03) and in future swap the module with another (ESP-07), ...
0
votes
0answers
151 views
Arduino GSM Modem GPRS Communication to a server
I have Arduino board with SIM900A GSM Modem setup. My requirement is to connect to a server and send / receive information.
My server would be placed in some remote place and would probably not be in ...
2
votes
4answers
511 views
Communicating between a computer and multiple Arduinos
I am designing a experiment of controlling 6 small wind turbines wirelessly. For each wind turbine, I need to measure power time series (or voltage or current time series) from the generator, and ...
7
votes
2answers
375 views
Cheap Wired Multipoint Mesh Network
I'm looking to make a 15 x 15 grid of load sensors and RGB LEDs for an interactive dance floor. Each node will be driven by an arduino and the entire floor will be managed by a RaspberryPi. I'm trying ...
0
votes
0answers
441 views
How to send data from cc3000 to herokuapp server
I tried this code:
#include <Adafruit_CC3000.h>
#include <ccspi.h>
#include <SPI.h>
#include <string.h>
#include "utility/debug.h"
#include "DHT.h"
#include<stdlib.h>
...
2
votes
1answer
522 views
Bluetooth Master and Slave to track device's locations
I'm trying to create an app for my science fair that uses bluetooth to track people in a determined place.
I was thinking about one Arduino system to receive all the information and transmit through a ...
2
votes
1answer
64 views
How do I remotely acquire data from Arduino based portable device?
I am making a device which will have an Arduino board and a sensor attached to it. The sensor will acquire data every 10 minutes and the data will be uploaded to my server. The size of every upload is ...
3
votes
4answers
2k views
Is it possible to transmit using an NRF24L01+ without an Arduino?
I have two NRF24L01+ modules which are transceivers, but for my project I would like to send a very simple signal from one of these modules to the be read by the other.
That would've been very simple ...
4
votes
1answer
3k views
How to disable Arduino Yun to work as Access Point and set it to work as needed?
I am using Arduino Yun and I would like to disable it to work as Access Point. That is, I don't want that it is displayed in the list of available networks.
Then I would like to set and use it ...
1
vote
1answer
220 views
Ethernet sheild programming
This is first time programming with Ethernet shield . I want to test the web server application with my Arduino. I have an Arduino Uno, Ethernet shield, and a potentiometer. Below code being uploaded.
...
0
votes
2answers
451 views
Modbus Protocol Compile Error
I have Code for Mod bus Library as below. I have Gone through lots of forum. How to assign device ID, slave address, length using below library function:
#include <SimpleModbusSlave.h>
#define ...
4
votes
2answers
374 views
Webserver on Arduino
How can I run a webserver in a Arduino Uno? I want to use my Arduino to monitor things in my home such as temperature. I want to be able to access this data through the internet.
12
votes
5answers
2k views
How to connect two Arduino without shields?
I'm planning an Arduino system that consists of several Arduino boards. The maximum distance between the boards is about 50 meters. I want to send basic data between these, like short strings or ...
