查找芯片信息....esptool.py v3.3.2-dev
Serial port /dev/ttyUSB0
Connecting...
Detecting chip type... Unsupported detection protocol, switching and trying again...
Detecting chip type... ESP32-S2
Chip is ESP32-S2FH4
Features: WiFi, Embedded Flash 4MB, No Embedded PSRAM, ADC and temperature sensor calibration in BLK2 of efuse V1
Crystal is 40MHz
MAC: 84:f7:03:d2:54:68
Stub is already running. No upload is necessary.
Warning: ESP32-S2 has no Chip ID. Reading MAC instead.
MAC: 84:f7:03:d2:54:68
Hard resetting via RTS pin...