Beaglebone black: Difference between revisions
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Doing analog pins | Doing analog pins | ||
http://www.gigamegablog.com/2012/01/22/beaglebone-coding-101-using-the-serial-and-analog-pins/ | * http://www.gigamegablog.com/2012/01/22/beaglebone-coding-101-using-the-serial-and-analog-pins/ | ||
* http://hipstercircuits.com/reading-analog-adc-values-on-beaglebone-black/ | |||
Revision as of 04:31, 16 February 2014
#! usr/bin/python
import time
def sig_cel(sig):
return (sig-500)/10
def cel_far(cel):
return (cel*9.0/5.0) +32
try:
while True:
sig = file('/sys/devices/ocp.2/helper.14/AIN1','r').read()
mV = int(sig)
C_Temp = sig_cel(mV)
F_Temp = cel_far(C_Temp)
print 'Millivolts: %d Celsius: %.2f Farenheit: %.2f' % (mV,C_Temp,F_Temp)
time.sleep(1)
except KeyboardInterrupt:
sig.close()
Doing analog pins
