ESP Prog is a development and debugging tool launched by , which has the functions of automatically downloading firmware, serial communication, JTAG online debugging, etc. The automatic firmware download and serial communication functions are applicable to the ESP8266 and ESP32 platforms. The JTAG online debugging function is applicable to the ESP32 platform. ESP Prog is simple and convenient to use. Only one USB cable can be used to connect with the computer. The computer terminal can identify the two ports corresponding to the download function and JTAG function. ESP Prog can be connected to the board with flat cable. The connector can be packaged with 2.54 mm and 1.27 mm spacing, with a foolproof design. The connectors of (6-Pin) and JTAG (10-Pin) should be placed on the board in the corresponding order. Colour:black :PCB Package Contents: 1 x JTAG Debugger Downloader 1 x flat cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.