def readHumidityOUT(): global DHT22_PIN, humidity2 try: count = 0 while True: t, h, ok = dht22driver.read(DHT22_PIN) if ok: humidity2 = int(h) #print "Vlhkost "+str(h) + " %" + ", teplota " + str(t) + " °C" return True break count += 1 if count>10: return False break time.sleep(1) except: return False
def readHumidityOUT(): global DHT22_PIN, humidity2 try: count = 0 while True: t, h, ok = dht22driver.read(DHT22_PIN) if ok: humidity2 = int(h) #print "Vlhkost "+str(h) + " %" + ", teplota " + str(t) + " °C" return True break count += 1 if count>10: return False break time.sleep(1) except: return False
# -*- coding: utf-8 -*-
import lcddriver
import dht22driver
DHT22_PIN = 14
if __name__ == "__main__":
lcd = None
try:
print "DHT22"
# initialize
lcd = lcddriver.lcd()
lcd.lcd_clear();
lcd.lcd_display_string("...", 1)
while True:
t, h, ok = dht22driver.read(DHT22_PIN)
if ok:
print("Teplota = {0} °C, Vlhkost = {1} %".format(t, h))
lcd.lcd_display_string("Teplota: " + str(t) + " *C", 1)
lcd.lcd_display_string("Vlhkost: " + str(h) + " %", 2)
else:
print("Chyba senzoru.")
time.sleep(1)
except KeyboardInterrupt:
pass
finally:
GPIO.cleanup()
print
print "konec programu"
lcd.lcd_display_string("Pekny den preje", 1)
lcd.lcd_display_string(" * HellTech * ", 2)
