The S100 Master – ESP-WROOM-02 Module is a certified rhomb.io module that delivers highly integrated Wi-Fi solution to meet users’ continuous demands for efficient power usage, compact design and reliable performance in the Internet of Things industry.

This Module has been built around the ESP-WROOM-02 module from Espressif. Its complete and self-contained Wi-Fi networking capabilities can be controlled easily by AT commands through the UART interface. We have added an USB to UART bridge to facilitate the connection to a computer and to easily program and debug the module.

Documentation and Schematics