Designed by Namnam in Vietnam, the ESP32 Modbus gateway is built to communicate with PLCs and industrial sensors over Modbus ...

Zigbee is a protocol that has been around for quite a long time, and you can purchase many cheap smart sensors to incorporate ...

We were tipped off to this project by [1technophile], who tells us he’s integrated the rtl_433_ESP library into his OpenMQTTGateway project.