arduino-mqtt
pubsubclient
| arduino-mqtt | pubsubclient | |
|---|---|---|
| 3 | 16 | |
| 974 | 3,734 | |
| - | - | |
| 5.3 | 0.0 | |
| about 2 months ago | 6 days ago | |
| C | C++ | |
| MIT License | MIT License |
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arduino-mqtt
- USR-TCP232-T2 and MQTT
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15 years Modicon for my day job. Arduino for my escape rooms. Building a new room and decided to combine them and add open source. So excited! Anyone else use this?
ModbusTCP and MQTT are supported via ethernet. There are a handful of different libraries for each, but I've personally used those.
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WIFI BUS CONTOL NOOB QUESTION
https://randomnerdtutorials.com/esp32-mqtt-publish-subscribe-arduino-ide/ https://github.com/256dpi/arduino-mqtt
pubsubclient
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Using ESP32 for contacting server
If you're after example code, take a look in https://github.com/knolleary/pubsubclient/tree/master/examples
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it is posible to send Just image/data via wify without displaying them on a browser ? I want to send images to à Rpi via wifi, but thé httpd example are ment to show images on a Web browser only
Here is a fairly basic MQTT example for Arduino-compatible devices.
- USR-TCP232-T2 and MQTT
- Web UI remote control ESP32-CAM with JavaScript MQTT Client project
- PubSubClient Issue: Sending message with length above 16377 bytes fails on ESP32
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Help with MQTT Login using esp32-cam
Have a look at this example.
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Trying to integrate to HiveMQ, need to parse URL to ip
What do you mean pubsubclient.h doesn't accept URLs as argument? Check out this example. You can change the mqtt_server variable to be whatever the hivemq URL is.
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MQTT
On Arduino, the most used library is pubsubclient
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PlatformIO vs. Arduino: different results
I'm using v 2.8 of Nick O'Leary's pub/sub client (https://github.com/knolleary/pubsubclient). Other libraries are what gets installed from the install of the toolchain. In the case of Arduino this is apt install arduino on Debian and installing the PlatformIO toolchain via the VS Code extension installer.
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Can client know whether it is a retained message or not?
I am using this MQTT client library for Arduino/ESP, and its API is like this page. The callback function for message reception event is like the following:
What are some alternatives?
openevse_esp32_firmware - OpenEVSE V4 WiFi gateway using ESP32
espMqttClient - MQTT client library for the Espressif devices ESP8266 and ESP32 on the Arduino framework.
Sonoff-Tasmota - Alternative firmware for ESP8266 with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at [Moved to: https://github.com/arendst/Tasmota]
Adafruit_MQTT_Library - Arduino library for MQTT support
pyrinas-zephyr - Open companion cloud client to Pyrinas Server for the nRF9160 Feather and Zephyr
WiFiManager - ESP8266 WiFi Connection manager with web captive portal
Watchy - Watchy - An Open Source E-Ink Smartwatch
WiFi-remote-for-Bestway-Lay-Z-SPA - Hack - ESP8266 as WiFi remote control for Bestway Lay-Z spa Helsinki
wasm3 - 🚀 A fast WebAssembly interpreter and the most universal WASM runtime
pubsubclient - A client library for the ESP8266 that provides support for MQTT
ArduinoModbus
Tasmota - Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at