ESP-T01 is a USB-TTL adapter board suitable for ESP32/ESP8266. It supports one-click download of programs without manual reset of the chip and pin low operation. The matching plug-in board and pin header parts are very convenient for programming or serial debugging for ESP32/ESP8266 series development boards or cloud series products. TypeC interface ESP32/ESP8266 program downloader Support 5v/3.3v dual power supply Match the IO sequence of for many Espressif products, direct plug-in programming, no wiring (UNIT CAM/STAMP series, etc.) Receive/send buffer area Compliant with USB2.0 specification Colour: green Material: plastic + metal Package Contents: 1 x ESP32 downloader 2 x 2.54-7P pin header (straight needle + ) 1 x type-C data 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.