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@@ -104,7 +104,7 @@ ESP8266 firmare is uploaded using the Arduino IDE. See [this tutorial](https://l
## Hardware Connections
### ESP8266
The ESP8266 has hardware support for [I²S](https://en.wikipedia.org/wiki/I%C2%B2S) and this peripheral is used <!-- by the [ws2812b i2s library](https://github.com/JoDaNl/esp8266_ws2812_i2s) -->to control the ws2812b LED strip. This signficantly improves performance compared to bit-banging the IO pin. Unfortunately, this means that the LED strip **must** be connected to the RX1 pin, which is not accessible in some ESP8266 modules (such as the ESP-01).
The ESP8266 has hardware support for [I²S](https://en.wikipedia.org/wiki/I%C2%B2S) and this peripheral is used <!-- by the [ws2812b i2s library](https://github.com/JoDaNl/esp8266_ws2812_i2s) -->to control the ws2812b LED strip. This significantly improves performance compared to bit-banging the IO pin. Unfortunately, this means that the LED strip **must** be connected to the RX1 pin, which is not accessible in some ESP8266 modules (such as the ESP-01).
The RX1 pin on the ESP8266 module should be connected to the data input pin of the ws2812b LED strip (often labelled DIN or D0).
