Questions tagged [networking]
For question related to environment with networks.
104 questions
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How to timeout hung incoming connections to the Ethernet port?
If I telnet to an Ethernet capable Arduino (e.g. shield, Leonardo, Leonardo Eth) with something like telnet [ip] [port] and then do nothing, the connection hangs. Seemingly for ever, or at least ...
- 129
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Using WiFiServer in blocking mode
I am learning ESP32 network programming and I started by writing a simple telnet server. It uses a WiFiServer object to listen on port 23 and just log anything it receives to the serial monitor.
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Disable verification of certification SSL A7670SA
I have the code below and it doesn't work with my URL. I receive a
715(Handshake Failed)
This code below works normally, but with my API it doesn't work.
I'm using a A7670SA with Arduino Mega 2560.
...
- 11
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54
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Feather M0 RFM69 serial over radio IP over serial works for UDP packets but fails for TCP sessions
I'm trying to build a serial over radio transmitter module using two Feather M0 boards with RFM69HCW chips on board. As a test I'm trying to run a slip IP over serial session. This seems to work ...
- 11
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How do I set the DHCP pool for an ESP-WIFI-MESH? [closed]
I'm building a mesh with ESP32 dev kits (ESP32-DevKitC V4) using the ESP-IDF VS Code extension and the ip_internal_network example project. The code for the example, common project components, and the ...
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991
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Mobile hotspot with wemos d1 mini
I recently got a wemos d1 mini and now am trying to connect it to my IPhone 13's hotspot, however it doesn't connect, I tried to run the wifiscan example - and it doesn't even detect it there.
I tried ...
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360
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The gateway is not working in Arduino EthernetENC
I am using ENC28J60 and EthernetENC library to connect an Arduino UNO with ATmega328 to the network. Everything works fine within the local network, but outside of it, I cannot ping the device. What ...
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Code not checking for updated sensor values after connecting to firebase?
I am using a project with an MQ138 sensor and want to push the real time sensor reads to firebase. Currently, the wifi/firebase part and sensor part work fine separately. The code connects to wifi and ...
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Connect to 8Base API with TLS on Arduino Uno Wifi Rev2
I'm trying hit some endpoints on the 8Base API with the Arduino Uno Wifi Rev2. I was able to get this API call to work with Postman, but I've had no luck once I convert it to my Arduino code. In ...
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137
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Arduino Uno stops accepting command from PS3 Wireless controller?? although it remains connected!
so I was trying to control a bot wirelessly with the help of ps3 controller and USB host shield, i am using Arduino UNO as micro-controller. I was able to connect PS3 controller with Arduino and ...
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UDP packet loss and very high ping time
Scenario
I'm writing a code for Nucleo-144 F429ZI. It receives UDP packets (actually OSC bundles) and send back an answer when the command is completed.
Issues
It work fine most of the time. But there ...
- 393
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3
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970
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Can I pass data from an Arduino Nano to a Websocket Server via USB?
I have an Arduino Nano, and a local Java WebSocket server (ws://localhost:8888) run by a .jar file on my computer.
I'm wondering if it's possible to send data (text, numbers etc.) from the Arduino ...
- 129
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2k
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ESP8266 - How to recieve UDP multicast packet?
how can I recieve udp multicast packets in ESP8266? I have this piece of code:
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
const char* ssid = "my_wifi_ssid";
const char* ...
- 139
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How do I get an HTTP_POST response?
I have a function for HTTP_POST responses but it is never called when I post to it. I get the webpage instead.
I call on it with
server.on("/",HTTP_POST,response);
But I only get the url in ...
- 201
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esp32-cam stuck in repeat boot
I am trying to bring the esp32 example code live. I am able to upload the image error free but when I remove the jumper and then press the reset switch, instead of seeing it logon to my network via ...
- 201