Questions tagged [network]

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SIM800L is not registering on network

I'm testing SIM800L module by registering to network manually and I'm getting an error message. Here are the commands I tried. AT+CSQ +CSQ: 31,0 OK AT+CBAND? +CBAND: EGSM_MODE,ALL_BAND OK AT+...
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24 views

Arduino Uno Wifi R2 Mesh Network

I currently have a project that uses a few Xbee S1 modules to report temperature measurements to a computer. I'm thinking about reworking the project to use the newer Arduino Uno WiFi R2 boards. Is ...
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0answers
11 views

Can I customize RF24Network message.type and where would it be referenced?

I've been out of touch with arduino's and i'm exploring networking a bunch of arduino nano's together using the RF24Network library. All sorts of sensors attached to different nano's. Some will have ...
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0answers
183 views

Sniffing thermostat protocol CC1101 868MHZ

I am using this libary from github:https://github.com/veonik/arduino-cc1101 With this example code. I will try to read the data which is send from a 868Mhz thermostat. I am using a arduino Mega and ...
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0answers
377 views

CC1101 sniffing 868Mhz Protocol from thermostat

Hello i buyed a cc1101 because I want to sniff thermostat protocol which works with 868 Mhz. I found this repo https://github.com/veonik/arduino-cc1101. I tried to download the repo and include the ...
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0answers
65 views

nRF24L01 multiple node ping pong example

I have used simple ping pong example found in maniacbug library. I am using Arduino nano + nRF24L01modules. With this I have one transmitter and two receiver. transmitter sends data on channel zero ...
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2answers
332 views

Arduino network with minimum wiring

For a parking management system I am going to create an Arduino network. An Arduino with an ultrasonic sensor will be placed above each parking space. If car is parked at specific location Arduino ...
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1answer
3k views

Testing network of SIM900A

Do I have to connect RX and TX of SIM900A with any pins (say TX, RX of Arduino) for network purpose? Shouldn't the network status LED blink slower after connecting the power sources with SIM900A?
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1answer
202 views

Multiple node network communication over I²C [closed]

I am working on a project where I want to send data from and to different Arduinos on a network. At the moment I²C seems the best option for my needs since I can specify where to send the data. But ...
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1answer
89 views

Need to “Extend” a Arduino Digital Signal

Here's the scenario: We have 1 arduino uno accepting DMX and converting that to a signal that is being sent out digitally (PIN 3). The digital signal then goes to several IR LED senders that control 3,...
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2answers
817 views

Is there a way to update Arduino uno Over The Air [duplicate]

I have the Arduino uno with a Ethernet W5100 Shield and would like to remotely sketches. Is there a way to update Arduino uno over the air? If not, is there a wired network arduino solution that ...
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1answer
809 views

How do I send tweets with flame sensor and ESP8266?

I want to send tweets with flame sensor and ESP8266. My flame sensor is digital. I think everything is good but it doesn't send. This is my code: #define ag_ismi "SSID" #define ag_sifresi "PASSWORD" ...
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1answer
2k views

Problem with using multi-node nRF24l01+ with Arduinos

I have 3 nodes in my system. One centralNode and two sensor nodes (right and left). Sensor nodes transmit data to the centralNode and receive from it. centralNode may transmit to both nodes and ...
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1answer
439 views

RF24 Network and Payload

i struggle to figure out the max payload for the RF24 Network library without payload fragmentation. It uses a NetworkHeader with the Attributes from_node, to_node, id, type and reserved. This must be ...
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0answers
31 views

What is the quickest and simplest way for two Arduinos, with network shields, to communicate?

I have two Arduinos, each with a network shield. What is the quickest and simplest way to connect a cat5 cable between these two Arduinos and have them exchange strings?