MQTT - MQTT Ethernet Communication Module APM32F103 - Unit expansion module for development modules M5Stack

Ethernet MQTT communication module in a form of Unit type extension. It has a built-in ARM Cortex-M3 processor, uses the UART communication interface, through which AT commands are controlled. The module is also equipped with an integrated RJ45 10 / 100 Mb network port. It supports subscription of four topics (topic) and is used in widely understood industrial automation, security monitoring systems, automatic measurement and control systems and allows remote data collection to the cloud.