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arendst 1538d30c96 v5.11.1c - Fixes and experimental Hass Discovery 
5.11.1c
 * Make command color parameter input less strict to ease Hass
support
 * Add ColorTemperature to light status message
 * Change
PubSubClient.h define MQTT_MAX_PACKET_SIZE from 512 to 1000 for Hass
support
 * Make define MESSZ dependent on PubSubClient.h define
MQTT_MAX_PACKET_SIZE
 * Fix logging line length around 400 characters
 *
Change module name Wemos D1 mini into Generic (#1220)
 * Revert HTML
change from width=100% to style=width:100% supporting HTML5 (#1358)
 *
Add experimental (still Hass python exceptions) Home Assistant Discovery
for switch and light to be enabled by command SetOption19 1 (#1534)
 *
Updated French Translation (#1561)
 * Fix DS18B20 temperature JSON
decimal dot (#1561)
 * Add Spanish language file (#1589)
 * Update
Italian Language file (#1594)
 * Consolidate WIFI_MANAGER_SEC into
WIFI_CONFIG_SEC (#1616)
 * Fix Energy JSON message (#1621)
 		2018-01-18 16:19:28 +01:00
..
examples v5.9.1f - Update libraries and a fix 2017-11-19 18:02:03 +01:00
src v5.11.1c - Fixes and experimental Hass Discovery 2018-01-18 16:19:28 +01:00
tests v5.9.1f - Update libraries and a fix 2017-11-19 18:02:03 +01:00
.gitignore v5.9.1f - Update libraries and a fix 2017-11-19 18:02:03 +01:00
.travis.yml v5.9.1f - Update libraries and a fix 2017-11-19 18:02:03 +01:00
CHANGES.txt v5.9.1f - Update libraries and a fix 2017-11-19 18:02:03 +01:00
LICENSE.txt v5.9.1f - Update libraries and a fix 2017-11-19 18:02:03 +01:00
README.md v5.9.1f - Update libraries and a fix 2017-11-19 18:02:03 +01:00
keywords.txt v5.9.1f - Update libraries and a fix 2017-11-19 18:02:03 +01:00
library.json v5.9.1f - Update libraries and a fix 2017-11-19 18:02:03 +01:00
library.properties v5.9.1f - Update libraries and a fix 2017-11-19 18:02:03 +01:00

README.md

Arduino Client for MQTT

This library provides a client for doing simple publish/subscribe messaging with a server that supports MQTT.

Examples

The library comes with a number of example sketches. See File > Examples > PubSubClient within the Arduino application.

Full API documentation is available here: http://pubsubclient.knolleary.net

Limitations

  • It can only publish QoS 0 messages. It can subscribe at QoS 0 or QoS 1.
  • The maximum message size, including header, is 128 bytes by default. This is configurable via MQTT_MAX_PACKET_SIZE in PubSubClient.h.
  • The keepalive interval is set to 15 seconds by default. This is configurable via MQTT_KEEPALIVE in PubSubClient.h.
  • The client uses MQTT 3.1.1 by default. It can be changed to use MQTT 3.1 by changing value of MQTT_VERSION in PubSubClient.h.

Compatible Hardware

The library uses the Arduino Ethernet Client api for interacting with the underlying network hardware. This means it Just Works with a growing number of boards and shields, including:

  • Arduino Ethernet
  • Arduino Ethernet Shield
  • Arduino YUN – use the included YunClient in place of EthernetClient, and be sure to do a Bridge.begin() first
  • Arduino WiFi Shield - if you want to send packets > 90 bytes with this shield, enable the MQTT_MAX_TRANSFER_SIZE define in PubSubClient.h.
  • Sparkfun WiFly Shield – library
  • TI CC3000 WiFi - library
  • Intel Galileo/Edison
  • ESP8266

The library cannot currently be used with hardware based on the ENC28J60 chip – such as the Nanode or the Nuelectronics Ethernet Shield. For those, there is an alternative library available.

License

This code is released under the MIT License.