ESP-Prog-2 is a development and debugging tool released by Espressif. It supports functions such as automatic firmware download, serial communication and JTAG online debugging. Automatic download and serial communication are compatible with ESP8266, ESP32, ESP32-S2, ESP32-S3 and ESP32-C3, while JTAG online debugging is supported on ESP32, ESP32-S2, ESP32-S3 and ESP32-C3. ESP-Prog-2 is simple in design and easy to use - only one USB cable is required to connect it to a computer. The computer automatically detects two ports, one for downloading and the other for JTAG debugging, based on the port numbers. https://elecena.pl/product/30532222/esp-prog-2-programming-adapter-for-espressif-controller 2026-07-25 https://elecena.pl/product/30532222/esp-prog-2-programming-adapter-for-espressif-controller 2026-09-17