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Add alternative SPI pin names (#24)

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Otto Winter 2018-09-27 05:26:28 +09:00 committed by GitHub
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esphomeyaml/components/spi.rst
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@ -6,9 +6,9 @@ SPI Bus
SPI is a very common high-speed protocol for a lot of devices. The SPI bus usually consists of 4 wires:
- **CLK**: Is used to tell the receiving device when to read data. All devices on the bus can
share this line.
share this line. Sometimes also called ``SCK``.
- **CS** (chip select): Is used to tell the receiving device when it should listen for data. Each device has
an individual CS line.
an individual CS line. Sometimes also called ``SS``.
- **MOSI** (also DIN): Is used to send data from the master (the ESP) to the receiving device. All devices on the bus can
share this line.
- **MISO** (also DOUT): Is used to receive data. All devices on the bus can