For the last few months, I had been using Sparkfun’s Phant server as a data logger for a small science project. Unfortunately, they’ve had some serious technical issues and have discontinued the ...
MCUs are ideal MQTT clients because the protocol is lightweight and designed for low-bandwidth, low-RAM environments.
As communication systems have improved and expanded in the age of IoT, the need for data security has increased. The MQTT protocol can provide efficient and secure integrating industrial automation ...
The project consists of a relay board controlled by an ESP8266-packing Adafruit Huzzah. It’s all powered by a 9V power supply with a regulator supplying the relay coil and Huzzah with 5V. [Mike]’s ...