def __init__(self, i2c_channel):
"""
__init__(self, i2c_channel) creates a light sensor object on I2c channel
[i2c_channel]
"""
self.channel = i2c_channel
sensor = adafruit_veml7700.VEML7700(i2c_channel)
self.sensor = sensor
class Light():
i2c = busio.I2C(board.SCL, board.SDA)
VEML_SENSOR = adafruit_veml7700.VEML7700(i2c)
def read(self):
self.VEML_SENSOR.light_gain = self.VEML_SENSOR.ALS_GAIN_1_8
self.VEML_SENSOR.light_integration_time = self.VEML_SENSOR.ALS_25MS
return self.VEML_SENSOR.lux
def __init__(self,
i2c_bus,
name="sns_lt0",
interval=SENSOR_UPDATE_INTERVAL,
*args,
**kwargs):
Device.__init__(self, name=name, interval=interval, *args, **kwargs)
import adafruit_veml7700
self.sensor = adafruit_veml7700.VEML7700(i2c_bus)
def __init__(self,
scl=board.SCL,
sda=board.SDA,
serial_no=None,
channels=None,
*args,
**kwargs):
self.i2c = busio.I2C(scl, sda)
self.veml7700 = adafruit_veml7700.VEML7700(self.i2c)
self.type = __name__
super().__init__(serial_no, channels, *args, **kwargs)
def basic_light_test(n_iter):
"""
basic_light_test(n_iter) runs basic test on light sensor to make sure
hardware reads properlu
"""
i2c = busio.I2C(board.SCL, board.SDA)
sensor = adafruit_veml7700.VEML7700(i2c)
for _ in range(n_iter):
print("Ambient Light: %0.1f " % sensor.light)
time.sleep(2)
i2c.deinit()
async def _control(self):
config = self._config.auto_backlight
backlight = Backlight(self._config.backlight_sysfs_path)
i2c = busio.I2C(board.SCL, board.SDA)
veml7700 = adafruit_veml7700.VEML7700(i2c)
backlight.fade_duration = config.fade_duration
while True:
light = veml7700.light
rel_light = min(1, light / config.light_max)
brightness = round(exponential_ease_out(min(1, rel_light)) * 100)
limited_brightness = max(config.brightness_min, brightness)
backlight.brightness = limited_brightness
logger.debug("light: %s, rel_light: %s, brightness: %s, limited_brightness: %s", light, rel_light, brightness, limited_brightness)
await asyncio.sleep(config.refresh)
def three_sensor_test(n_iter):
"""
three_sensor_test(n_iter) runs basic test on all three sensors to make sure
hardware reads properlu
"""
i2c = busio.I2C(board.SCL, board.SDA)
temp_humid = adafruit_si7021.SI7021(i2c)
light = adafruit_veml7700.VEML7700(i2c)
moisture = MCP3001()
for _ in range(n_iter):
print("\nTemperature: %0.1f C" % temp_humid.temperature)
print("Humidity: %0.1f %%" % temp_humid.relative_humidity)
print("Ambient Light: %0.1f " % light.light)
print("Moisture Level: %f " % moisture.value)
time.sleep(2)
i2c.deinit()
import adafruit_adxl34x
import adafruit_si7021
import adafruit_veml7700
i2c1 = busio.I2C(board.SCL, board.SDA)
i2c2 = busio.I2C(board.SCL, board.SDA)
i2c3 = busio.I2C(board.SCL, board.SDA)
# For ADXL343
accelerometer = adafruit_adxl34x.ADXL343(i2c1)
accelerometer.enable_motion_detection()
while True:
try:
sensor = adafruit_si7021.SI7021(i2c2)
break
except:
continue
veml7700 = adafruit_veml7700.VEML7700(i2c3)
while True:
print("******************************")
print("\nAcceleration: %f %f %f" % accelerometer.acceleration)
print("Motion detected: %s" % accelerometer.events["motion"])
print("\nTemperature: %0.1f C" % sensor.temperature)
print("Humidity: %0.1f %%" % sensor.relative_humidity)
print("\nAmbient light:", veml7700.light)
time.sleep(0.5)
import time
import board
import busio
import adafruit_veml7700
i2c = busio.I2C(board.SCL, board.SDA)
veml = adafruit_veml7700.VEML7700(i2c)
while (True):
print("ambiant light: ", veml.light)
print("ux:", veml.lux)
time.sleep(0.5)
from time import sleep
# neopixels
neop = neopixel.NeoPixel(board.D21, 12)
pixel_num = 12
neop.brightness = 0.2
neop.auto_write = True
bright_f = 0.2
bright_r = 0.2
# multiplexer
i2c = busio.I2C(board.SCL, board.SDA)
tca = adafruit_tca9548a.TCA9548A(i2c)
# lux sensors
veml1 = adafruit_veml7700.VEML7700(tca[0])
veml2 = adafruit_veml7700.VEML7700(tca[1])
lux_min = 20
lux_max = 6000
def constrainLux(lux):
return min(max(lux_min, lux), lux_max)
def mapLux(lux):
lux_range = lux_max - lux_min
return (lux - lux_min) / lux_range
def constrainAndMapLux(lux):
}) # firebase = None # # For debugging # firebase.delete() # For setting up the ADC adc = Adafruit_ADS1x15.ADS1115() GAIN = 2 / 3 # AO Channel for Moisture is 0 # AO channel for Temperature is 1 temperatureAo = 1 moistureAo = 0 # Lux sensor setup i2c = busio.I2C(board.SCL, board.SDA) luxSensor = adafruit_veml7700.VEML7700(i2c) luxA0 = 2 # Moisture sensor calibration test results without soil # Range 20523 -> 0%, 17366 -> 100%. Assume 18935 -> 50% moistureZero = 19000 # Water pump motorPin = 7 # Flowrate of 8ml/s flowRate = 14 total = 0 container = total run = False # Time gap between each probe in second
