software SPI: since all pins can be changed in the Hardware section of LED settings, you can use any pins.hardware SPI: use GPIO14 (SCLK) for clock and GPIO13 (MOSI) for data.While using an ESP8266 and LEDs that have clock and data, you can either use hardware SPI (mostly faster) or software SPI. Make sure to connect ESP and LED-strip grounds together! Please use the board pinout from the specific board you purchased and use the GPIO pins to reference this guide. Note: Board pin naming varies depending on the manufacturer. Optionally, connect a normally open pushbutton to GPIO0 (NodeMCU/Wemos pin D3, on ESP32 use IO17) and ground for configurable actions. If the connecting wire cannot be kept short, use a level shifter/translator. On most ESP8266 based development boards, this pin is labeled D4 on ESP32 based boards, use IO16 or G16 or 16. Connect a WS2812B-compatible RGB(W) led strip to GPIO2. Unless noted otherwise, all information applies to the latest release (v0.13.3).
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