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 | # Simple demo of the VCNL4010 proximity and light sensor.
# Will print the proximity and ambient light every second.
# Author: Tony DiCola
import time
import board
import busio
import adafruit_vcnl4010
# Initialize I2C bus and VCNL4010 module.
i2c = busio.I2C(board.SCL, board.SDA)
sensor = adafruit_vcnl4010.VCNL4010(i2c)
# You can optionally adjust the sensor LED current. The default is 200mA
# which is the maximum value. Note this is only set in 10mA increments.
#sensor.led_current_mA = 120 # Set 120 mA LED current
# You can also adjust the measurement frequency for the sensor. The default
# is 390.625 khz, but these values are possible to set too:
# - FREQUENCY_3M125: 3.125 Mhz
# - FREQUENCY_1M5625: 1.5625 Mhz
# - FREQUENCY_781K25: 781.25 Khz
# - FREQUENCY_390K625: 390.625 Khz (default)
#sensor.frequency = adafruit_vcnl4010.FREQUENCY_3M125 # 3.125 Mhz
# Main loop runs forever printing the proximity and light level.
while True:
proximity = sensor.proximity # Proximity has no units and is a 16-bit
# value. The LOWER the value the further
# an object from the sensor (up to ~200mm).
print('Proximity: {0}'.format(proximity))
ambient_lux = sensor.ambient_lux
print('Ambient light: {0} lux'.format(ambient_lux))
time.sleep(1.0)
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