Olimex - ESP32-EVB.

You can find ESP32 WiFi&BT module built-in arduino programmer (USB-UART bridge), 100Mbit interface, microSD card slot, two relays (10A/250VAC), CAN interface, IR receiver and transmitter, charger for LiPo battery and 40 GPIO header on the board.

The board costs 26.00 EUR + shipping

Some info are available on github of Olimex https://github.com/OLIMEX/ESP32-EVB

Dimension of board is 75 x 75 mm.

Link to Olimex store https://www.olimex.com/Products/IoT/ESP32-EVB/open-source-hardware

Olimex released (6/21/2017) modified version of this board called ESP32-GATEWAY. The ESP32-GATEWAY doens't contains relays, CAN and IR control. The dimension of board is 50x62 mm and the price is 22 ?.

Link to eshop https://www.olimex.com/Products/IoT/ESP32-GATEWAY/

Originaly shared http://www.cnx-software.com