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52 lines
1.1 KiB
ReStructuredText
52 lines
1.1 KiB
ReStructuredText
.. pybricks-requirements:: pybricks-iodevices
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Generic UART Device
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^^^^^^^^^^^^^^^^^^^
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Powered Up and EV3 support connecting generic UART devices to the hub. The pinout
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is shown below. Note the orientation of the connector. For EV3, the internal
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wire colors match those on the diagram below.
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.. image:: pinout_numbered.jpg
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:width: 50 %
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.. list-table::
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:header-rows: 1
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* - Pin
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- Powered Up (UART)
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- EV3 (UART sensor)
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- EV3 (I2C sensor)
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* - 1 (white)
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- Motor Terminal 1
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- Optional battery power
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- Optional battery power
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* - 2 (black)
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- Motor Terminal 2
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- N/A
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- N/A
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* - 3 (red)
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- Ground
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- Ground
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- Ground
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* - 4 (green)
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- VCC (3.3 V)
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- VCC (5 V)
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- VCC (5 V)
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* - 5 (yellow)
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- Hub TX (Sensor RX) (3.3 V)
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- Hub TX (Sensor RX) (3.3 V)
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- SCL (master) (3.3 V)
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* - 6 (blue)
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- Hub RX (Sensor TX) (3.3 V)
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- Hub RX (Sensor TX) (3.3 V)
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- SDA (master) (3.3 V)
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.. autoclass:: pybricks.iodevices.UARTDevice
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**Example: Read and write to a UART device**
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.. literalinclude::
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../../../examples/ev3/uart_basics/main.py
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