separate pages for sensors

content/firmwareapi/pycom/expansionboards/L76GNSS.md

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+---
+title: "L76GNSS GPS"
+---
+
+
+## GPS with GLONASS (Quectel L76-L GNSS)
+
+Pytrack has a GPS (with GLONASS) that provides outputs longitude/latitude, speed and other information about the Pytrack's location.
+
+## Constructors
+
+### class L76GNSS(pytrack = None, sda = 'P22', scl = 'P21', timeout = None)
+
+Creates a `L76GNSS` object, that will return values for longitude and latitude. Constructor must be passed a Pytrack or I2C object to successfully construct. Set the `timeout` to a time period (in seconds) for the GPS to search for a lock. If a lock is not found by the time the `timeout` has expired, the `coordinates` method will return `(None, None)`.
+
+## Methods
+
+### L76GNSS.coordinates(debug = False)
+
+Read the longitude and latitude from the `L76GNSS`. Returns a **tuple** with the longitude and latitude. With `debug` set to `True` the output from the GPS is verbose.
+
+{{% hint style="info" %}}
+Please note that more functionality is being added weekly to these libraries. If a required feature is not available, feel free to contribute with a pull request at the [Libraries GitHub repository](https://github.com/pycom/pycom-libraries)
+{{% /hint %}}