The “w” in the name is for WiFi as the built-in ESP-32 module then takes the moisture reading and sends an update wirelessly via MQTT.

The board naturally has a power supply and headers for programming the ESP module as well as connectors galore. Flash in some camera code, and you’ve got a custom WiFi webcam. Pretty slick.

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

Developed by Elecram in the Netherlands, the ESP32-C6 and CC1101 transceivers-based Sub-GHz gateway is designed to bridge ...