oled.init() #initialze SEEED OLED display
oled.clearDisplay() #clear the screen and set start position to top left corner
oled.setNormalDisplay() #Set display to normal mode (i.e non-inverse mode)
oled.setPageMode() #Set addressing mode to Page Mode
oldTemp = -1
oled.setTextXY(0,0)
oled.putString("Temperature") #Print the String
jetduino.setAnalogReadResolution(10)
while True:
try:
celsius = jetduino.temp(sensor,'1.2')
#if the temp changes write it out to the screen.
if celsius > 0 and math.fabs(oldTemp - celsius) > 0.01:
print ("temp =", celsius)
fahrenheit = (celsius * 1.8) + 32
oled.setTextXY(0,1)
oled.putString("%3.3f C" % celsius) #Print the String
oled.setTextXY(0,2)
oled.putString("%3.3f F" % fahrenheit) #Print the String
oldTemp = celsius
time.sleep(.5)
except KeyboardInterrupt:
break
except IOError:
# The sensor uses a thermistor to detect ambient temperature.
# The resistance of a thermistor will increase when the ambient temperature decreases.
#
# There are 3 revisions 1.0, 1.1 and 1.2, each using a different model thermistor.
# Each thermistor datasheet specifies a unique Nominal B-Constant which is used in the calculation forumla.
#
# The second argument in the jetduino.temp() method defines which board version you have connected.
# Defaults to '1.0'. eg.
# temp = jetduino.temp(sensor) # B value = 3975
# temp = jetduino.temp(sensor,'1.1') # B value = 4250
# temp = jetduino.temp(sensor,'1.2') # B value = 4250
import time
import jetduino
from jetduino_pins import *
# Connect the Grove Temperature Sensor to analog port A0
# SIG,NC,VCC,GND
sensor = ARD_A0
while True:
try:
temp = jetduino.temp(sensor,'1.2')
print ("temp =", temp)
time.sleep(.5)
except KeyboardInterrupt:
break
except IOError:
print ("Error")