import time

import math

import Adafruit_ADS1x15 # Library for ADS1x15 ADC chip

ANALOG_PIN = 16

RANGE = 5000 # Depth measuring range 5000mm (for water)

VREF = 5000 # ADC's reference voltage on your Arduino,typical value:5000mV

CURRENT_INIT = 4.00 # Current @ 0mm (uint: mA)

DENSITY_WATER = 1 # Pure water density normalized to 1

DENSITY_GASOLINE = 0.74 # Gasoline density

PRINT_INTERVAL = 1

adc = Adafruit_ADS1x15.ADS1115() # Create an ADS1115 ADC (16-bit) instance

def read_analog():

# Read the ADC value from selected pin (ANALOG_PIN) in single-ended mode

value = adc.read_adc(ANALOG_PIN, gain=1, data_rate=860)

voltage = (value / 32767.0) * VREF # Calculate the voltage

return voltage

def main():

while True:

start_time = time.monotonic()

dataVoltage = read_analog()

dataCurrent = dataVoltage / 120.0 # Sense Resistor: 120ohm

depth = (dataCurrent - CURRENT_INIT) * (RANGE / DENSITY_WATER / 16.0) # Calculate depth from current readings

if depth < 0:

depth = 0.0

# Print results

print(f"depth: {depth:.2f} mm")

elapsed_time = time.monotonic() - start_time

time.sleep(max(PRINT_INTERVAL - elapsed_time, 0))

if __name__ == '__main__':

main()

import time

import math

import Adafruit_ADS1x15 # Library for ADS1x15 ADC chip

ANALOG_PIN = 2

RANGE = 5000 # Depth measuring range 5000mm (for water)

VREF = 5000 # ADC's reference voltage on your Arduino,typical value:5000mV

CURRENT_INIT = 4.00 # Current @ 0mm (uint: mA)

DENSITY_WATER = 1 # Pure water density normalized to 1

DENSITY_GASOLINE = 0.74 # Gasoline density

PRINT_INTERVAL = 1

adc = Adafruit_ADS1x15.ADS1115() # Create an ADS1115 ADC (16-bit) instance

def read_analog():

# Read the ADC value from selected pin (ANALOG_PIN) in single-ended mode

value = adc.read_adc(ANALOG_PIN, gain=1, data_rate=860)

voltage = (value / 32767.0) * VREF # Calculate the voltage

return voltage

def main():

while True:

start_time = time.monotonic()

dataVoltage = read_analog()

dataCurrent = dataVoltage / 120.0 # Sense Resistor: 120ohm

depth = (dataCurrent - CURRENT_INIT) * (RANGE / DENSITY_WATER / 16.0) # Calculate depth from current readings

if depth < 0:

depth = 0.0

# Print results

print(f"depth: {depth:.2f} mm")

elapsed_time = time.monotonic() - start_time

time.sleep(max(PRINT_INTERVAL - elapsed_time, 0))

if __name__ == '__main__':

main()