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Tag: MQTT

IoT Posted on26. April 2017

How to publish topic by mosquitto_pub to Bluemix

In the previous article about LampESP, I’ve described how to subscribe ESP8266 to MQTT at Bluemix cloud. The remaining question is how to publish data. […] Read More

IoT Posted on21. April 201727. October 2017

How to connect ESP8266 to Bluemix

Connecting ESP8266 by MQTT to a server like Mosquitto is relatively easy. You need just one dependency (in platformio.ini file): Code for a connection is: […] Read More

IoT Posted on2. April 20177. April 2017

Custom font for OLED display connected to ESP8266 via SPI

Small OLED displays can easily extend the functionality of ESP8266. I made an experiment with 128×64 OLED display from Com-Four. The first challenge was how to […] Read More

IoT Posted on1. March 20177. March 2017

Microsoft Azure IoT Hub MQTT device to device communication is not supported

Microsoft Azure provides IoT Hub. It might sound great because it has support for MQTT. It is very important to mention that Azure IoT Hub […] Read More

IoT Posted on20. February 20177. March 2017

How to send command from Python via MQTT to RGB LED connected to ESP8266

I’ve described how to send server load as a number to MQTT in the previous article. The number could be then translated via Node-RED to […] Read More

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