Simple test¶
Ensure your device works with this simple test.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT
import time
import board
import busio
import adafruit_tsl2561
# Create the I2C bus
i2c = busio.I2C(board.SCL, board.SDA)
# Create the TSL2561 instance, passing in the I2C bus
tsl = adafruit_tsl2561.TSL2561(i2c)
# Print chip info
print("Chip ID = {}".format(tsl.chip_id))
print("Enabled = {}".format(tsl.enabled))
print("Gain = {}".format(tsl.gain))
print("Integration time = {}".format(tsl.integration_time))
print("Configuring TSL2561...")
# Enable the light sensor
tsl.enabled = True
time.sleep(1)
# Set gain 0=1x, 1=16x
tsl.gain = 0
# Set integration time (0=13.7ms, 1=101ms, 2=402ms, or 3=manual)
tsl.integration_time = 1
print("Getting readings...")
# Get raw (luminosity) readings individually
broadband = tsl.broadband
infrared = tsl.infrared
# Get raw (luminosity) readings using tuple unpacking
# broadband, infrared = tsl.luminosity
# Get computed lux value (tsl.lux can return None or a float)
lux = tsl.lux
# Print results
print("Enabled = {}".format(tsl.enabled))
print("Gain = {}".format(tsl.gain))
print("Integration time = {}".format(tsl.integration_time))
print("Broadband = {}".format(broadband))
print("Infrared = {}".format(infrared))
if lux is not None:
print("Lux = {}".format(lux))
else:
print("Lux value is None. Possible sensor underrange or overrange.")
# Disble the light sensor (to save power)
tsl.enabled = False
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