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Adafruit development board with ESP32 - HUZZAH32 for $19.95
Adafruit released a new development board with ESP32. That is not only one devboard, maybe you know these dev boards like SunDuino ESP32, Whitecat ESP32 N1 board, LoLin32 by Wemos or ESP-WROVER-KIT by Espressif.

HUZZAH32 is other part to Feather eco-system by Adafruit.

As we mentioned, the base component is ESP32. On the board are USB-UART bridge (CP2104) and LiPo charger MCP73831/2 with connector for battery.

Link to store (now is Out of Stock)

Design of PCB board (eagle)