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Author: evaherrada

examples/mpl3115a2_simpletest.py

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+# Simple demo of the MPL3115A2 sensor.
+# Will read the pressure and temperature and print them out every second.
+# Author: Tony DiCola
+import time
+
+import board
+import busio
+
+import adafruit_mpl3115a2
+
+
+# Initialize the I2C bus.
+i2c = busio.I2C(board.SCL, board.SDA)
+
+# Initialize the MPL3115A2.
+sensor = adafruit_mpl3115a2.MPL3115A2(i2c)
+# Alternatively you can specify a different I2C address for the device:
+#sensor = adafruit_mpl3115a2.MPL3115A2(i2c, address=0x10)
+
+# You can configure the pressure at sealevel to get better altitude estimates.
+# This value has to be looked up from your local weather forecast or meteorlogical
+# reports.  It will change day by day and even hour by hour with weather
+# changes.  Remember altitude estimation from barometric pressure is not exact!
+# Set this to a value in pascals:
+sensor.sealevel_pressure = 102250
+
+# Main loop to read the sensor values and print them every second.
+while True:
+    pressure = sensor.pressure
+    print('Pressure: {0:0.3f} pascals'.format(pressure))
+    altitude = sensor.altitude
+    print('Altitude: {0:0.3f} meters'.format(altitude))
+    temperature = sensor.temperature
+    print('Temperature: {0:0.3f} degrees Celsius'.format(temperature))
+    time.sleep(1.0)