A tiny and portable board for wireless applications! This is an ESP32 development board that uses ESP32-S2 module for WiFi. This module has 4MB Flash RAM and comes with built-in PCB antenna. External antenna is not supported. This board is great for Internet-of-Things (IoT) projects where internet connectivity is vital. I/O headers are not soldered by default, however, pins are included. A distinct feature of this module is the microSD (TF) card on-board that you can use for more data storage intensive application such as a data-logger.
Power and data transfer
The board has a USB-C connector for power and data transfer. There is a CH340C USB to TTL chip on board for direct connection to a PC for uploading program. A USB-C to USB Type A cable is handy for this purpose, sold separately. Alternatively, there is a 2-pin 1.25mm pitch JST connector to power the board from a 3.7V lithium battery. There battery will be charged when the USB-C power cable is connected
