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.…
Useful software tips
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.…
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:…
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…
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…
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…