Arduino: 1.8.16 (Mac OS X), Board: "ESP32 Pico Kit, Default, 921600, None"

Sketch uses 273310 bytes (20%) of program storage space. Maximum is 1310720 bytes.
Global variables use 15384 bytes (4%) of dynamic memory, leaving 312296 bytes for local variables. Maximum is 327680 bytes.
esptool.py v3.0-dev
Serial port /dev/cu.usbserial-2552473181
Connecting.....
Chip is ESP32-PICO-D4 (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, Embedded Flash, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 94:b9:7e:ad:24:10
Uploading stub...
Running stub...
Stub running...
Changing baud rate to 921600
Changed.
Configuring flash size...

A fatal error occurred: Timed out waiting for packet header
A fatal error occurred: Timed out waiting for packet header

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