ESP-Wroom-32 WiFi BT SoC Based Development Board - NodeMCU - 38Pin

Features

•  Onboard ESP-WROOM-32 module
•  Onboard CP2102, USB to UART converter
•  USB port for power input, firmware programming, or UART debugging
•  2x19pin extension headers, breakout all the I/O pins of the module
•  2x keys, used as reset or user-defined