Questions tagged [network]
The network tag has no summary.
26 questions
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Cannot ping a host unless I use parseIP from Ethercard
I'm trying to write an Arduino sketch which pings multiple hosts and switches some RGB LEDs to indicate the status of the devices on my network. This question is a followup of ParseIP in the EtherCard ...
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ParseIP in the EtherCard library does not parse an address twice
I'm trying to modify the pings example from the EtherCard library so I can ping multiple hosts. The end result should be a small device which monitors other devices on my network.
Here is the modified ...
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496
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Problem with floating of AnalogRead
For a university Lab course i have to realize a UPS unit with a internal LiPo battery . The unit uses as battery charger a buck converter
I have only a problem with the battery charger (buck converter)...
2
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1
answer
181
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Which sensor bus best to use?
I am working on a project which requires a dozen VL53l0X I2C-TOF sensors to be polled by one master MCU over a few meters of cable.
Thus, I decided to accompany each TOF by an Atmega8 acting as a ...
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612
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Trouble with ESP8266 on Eero network
I have an ESP8266 Node MCU and am learning to use its wifi capabilities. In my home I have a router provided by my ISP that runs a network we'll call 'network1'. I also have an Eero mesh network that ...
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I want to make two arduino to communicate over different wifi. Is that possible?
I want to make any 2 Arduino module from different places to communicate over wifi. I really need to know if it possible? If yes, advice me more about it. I want send data from sensor module from one ...
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2
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2k
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Understanding NRF24L01 specifications
I was reading this tutorial about the NRF24L01 and came across a few terms which I did not clearly understand.
It uses the 2.4 GHz band
Does this refer to the frequency of the EM waves that the ...
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1
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3k
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Send only one packet from one ESP32 to another ESP32 without acknowledgment
I have a network consisting 10 slaves and one master. I am using ESP-NOW to send the messages between the nodes. All of the nodes are within close proximity. I do NOT need a mesh network to reach all ...
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ESP32 send data to another ESP32 without establishing a wifi connection
Originally I was creating a project consisting of the Atmega328P and NRF24L01 to create multiple arduinos that could talk to each other. Basically I was creating something like this:
As the network ...
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ESP-NOW host not receiving data
I'm trying to set up a network like the following:
|Host| <-------> |Node x 3|
I want to have a two-way connection between a host and each node, but each node cannot communicate with other nodes....
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SIM900A network connection
I can't connect to the network.
Hardware used: Arduino UNO and SIM900A GSM module
Tutorial used: https://www.instructables.com/id/GSM-SIM900A-With-Arduino/
Sim card used: Orange (I set it on 2G ...
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How to change wifi credentials of multiple ESP8266 together
I need to change WiFi credentials of multiple ESP8266 in one go, without needing to change passwords for each of them individually. I know there is a WiFiManager library, which makes your ESP8266 ...
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aRest.io - how does it work?
With aRest.io you are able control your Arduino/Esp from all over the world - but how?
In the Client SourceCode (found here) you only find the PubSubClient, which is an MQTT client.
I'm assuming:
...
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1
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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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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 ...