https://www.adafruit.com/product/322
3.3 - 5V by WS2801 datasheet.
D1 Mini ESP8266 pins for hardware SPI
esptool.py write_flash 0x0 ./WLED_XXX.bin
esptool.py write_flash 0x0 ./esp32_bootloader_v4.bin esptool.py write_flash 0x10000 ./WLED_XXX.bin
WLED-AP Password wled1234 IP 4.3.2.1