The Espressif ESP32 features a 32-bit 240 MHz dual core processor with Wi-Fi and BLE. HydraBus created this shield for ESP-WROOM-32 or ESP-32S.
HydraESP32 v1.1 Rev1 with ESP-32S is alive
This shield can be used with or without HydraBus board, you can even cut HydraBus specific right side (on the line) to have a tiny ESP-WROOM-32 breakout board.
hydrabus has shared the board on OSH Park:
OSH Park 