Manual Click here to openSpecification Model ESP Prog 2 development and debugging toolChip Module ESP32 S3 MINI 1Interfaces Micro USB JTAG 1 27 mm 2 54 mm PROG pins 1 27 mm 2 54 mm Dimensions 62 mm 27 mmPower Input Options Supports 3 3V and 5V for JTAG and program interfacesLED Indicators Red green and blue LEDs for system state visibilityFeatures 1 Automatic firmware downloading functionality2 JTAG online debugging support for ESP32 series boards3 Single USB to UART bridge chip enabling up to 3 Mbps transfer speed 4 Compatibility with ESP8266 ESP32 ESP32 S2 ESP32 S3 and ESP32 C35 Multi pin headers for GPIO and power selection6 Compact design for efficient debugging and programmingPackage Includes 1 ESP Prog 2 board