This module is safe, reliable, and scalable to a variety of applications.
The module has 38 pins and has more features than a 30-pin module. And smaller in size, more convenient to use.
Support Lua program, easy to develop. Support of three modes: AP, STA and AP + STA.
This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips ESP-WROOM-32, as well as the 40nm low-power technology.