https://www.adafruit.com/product/322

3.3 - 5V by WS2801 datasheet.

• 5V (Red)
• Ground (Blue)
• Data (Yellow)
• Clock (Green)

D1 Mini ESP8266 pins for hardware SPI

• D7 GPIO 13 MOSI / Data
• D5 GPIO 14 SCLK / Clock

https://github.com/wled/WLED/releases

• 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

• D4 on D1 mini is GPIO 2.
• Order RGB.