import time
from machine import I2C
import PCF8591
import binascii
i2c = I2C(0, I2C.MASTER, baudrate=100000)
adcModule = PCF8591.PCF8591(
i2c, addr=i2c.scan()[0]) # Initializate module with library
sample = 0
while True:
dataread = adcModule.read(PCF8591.ACHNNL0) # read from A0
time.sleep(1) # sample time
print("Sample " + str(sample)) #
print(dataread) # print read data
sample += 1
''' TEST WITH NO LIBRARY
while True:
dataread = i2c.readfrom(0x48, 1) # receive 1 bytes from slave
time.sleep(1) # sample time
print("Sample "+str(sample))
test = int(binascii.hexlify(dataread),16) #
print(str(test)) # print read data
sample+=1
'''
return T
elif R == float("inf"):
T = 0. - C2K
return T
else:
T = 1. / self.B * np.log(R / self.R0) + 1. / self.T0
return 1 / T - C2K
#Test/example code. Read in 3 different thermistors and display their temperatures
if __name__ == "__main__":
import PCF8591
#import DHT
try:
adc = PCF8591.PCF8591()
adc.set_input_mode(0)
thermistor = Thermistor(adc)
#DHT22=DHT.DHT(21,sensortype=22)
print("")
adc.set_input_channel(0)
T = thermistor.read()
print("Temperature= %f 'C" % T)
print("")
adc.set_input_channel(1)
T = thermistor.read()
print("Temperature= %f 'C" % T)
print("")
