A new ESP32 module is available on aliexpress. MH-ET LIVE D1 mini ESP32. Module for $8 could be interesting alternative to other ESP32 modules like TTgo UNO ESP32, SunDuino or LoLin32 by Wemos.

You can see USB-UART bridge for uploading of code, RESET button and two LEDs (power and user) on the pictures.





Pinout of ESP32 module is below.


The manufacturer offers shields for this Core module with ESP32.





You can also buy shields with temperature sensor DS18B20, temperature/humidity sensor DHT11, button, relays, TF card, presure sensor BMP180, shield with OLED 0.66" or module for battery.

Another info you find on http://mh.nodebb.com/topic/8/new-mh-et-live-minikit-for-esp32

Example codes for MH-ET mini D1 ESP32 and shields are on https://github.com/MHEtLive/ESP32-MINI-KIT/tree/master/Shield%20libraries

ESP32 module is available on aliexpress https://www.aliexpress.com/item/MH-ET-LIVE-D1-mini-ESP32-ESP-32-WiFi-Bluetooth-Internet-of-Things-development-board-based/32815530502.html