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DHT
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| #!/home/pi/miniconda3/bin/python | |
| from datetime import datetime | |
| import sys | |
| import Adafruit_DHT | |
| def main(): | |
| sensor = Adafruit_DHT.AM2302 | |
| pin = 4 | |
| record_file = '/home/pi/joel/dht_monitor/record/dht.csv' # TODO: change to your own path | |
| timestr = datetime.now().strftime('%Y-%m-%d-%H:%M:%S') | |
| humidity = None | |
| temperature = None | |
| try: | |
| humidity, temperature = Adafruit_DHT.read_retry( | |
| sensor, pin, retries=5, delay_seconds=1) | |
| except ValueError as e: | |
| print('Encounter sensor problem') | |
| with open(record_file, 'a') as f: | |
| print('{},{},{}'.format(timestr, humidity, temperature), file=f) | |
| if __name__ == '__main__': | |
| main() |
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