28 lines
806 B
Python
28 lines
806 B
Python
# SPDX-FileCopyrightText: 2017 Limor Fried for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""CircuitPython Essentials I2C sensor example using TSL2591"""
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import time
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import board
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import adafruit_tsl2591
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i2c = board.I2C() # uses board.SCL and board.SDA
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# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller
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# Lock the I2C device before we try to scan
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while not i2c.try_lock():
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pass
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# Print the addresses found once
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print("I2C addresses found:", [hex(device_address) for device_address in i2c.scan()])
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# Unlock I2C now that we're done scanning.
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i2c.unlock()
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# Create library object on our I2C port
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tsl2591 = adafruit_tsl2591.TSL2591(i2c)
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# Use the object to print the sensor readings
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while True:
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print("Lux:", tsl2591.lux)
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time.sleep(0.5)
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