This module supports the following series: 1. For ESP8266. For ESP32. For ESP32-S. For ESP32-C. Just click download, esp master chip automatically reset into B00T download programme. Test communication speed is reliable! Baud rate of 460800, download normal, non-general serial module can only use 115200 low-speed mode! On-board self-recovery fuse, communication transceiver indicator.. series description 1. Need to use the B00T (GPI00) and EN (CHIP_PU) pin, the minimum system needs to be retained in which the GO connected to the download module B00T pin. 2. EN pin, high
level: chip enable.
low level: chip off.
Note: EN pin can not be allowed to float.