Turn an ESP32 into an EZ-B to control servos and speech recognition with EZ-Builder. The ESP32 Synthiam firmware allows you to connect to EZ-Builder and use a variety of Behaviour Controls with the DOIT DevKit v1.
DOIT Esp32 DevKit v1
Connect ESP32 to EZ-Builder via WiFi
DOIT Esp32 DevKit v1: https://synthiam.com/GettingStarted/Build-Robots/DOIT-Esp32-DevKit-v1-18272