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read-soil-moisture-sensor.py

read-soil-moisture-sensor.py demonstrates how to simulate soil moisture readings by generating random data. You push that data into the related shadow in AWS IoT.

# # Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. # # This file is licensed under the Apache License, Version 2.0 (the "License"). # You may not use this file except in compliance with the License. A copy of # the License is located at # # http://aws.amazon.com/apache2.0/ # # This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR # CONDITIONS OF ANY KIND, either express or implied. See the License for the # specific language governing permissions and limitations under the License. # import RPi.GPIO as GPIO import time # Represents the GPIO21 pin. channel = 21 # Use the GPIO BCM pin numbering scheme. GPIO.setmode(GPIO.BCM) # Receive input signals through the pin. GPIO.setup(channel, GPIO.IN) # Infinite loop to keep this script running. while True: # 'No water' = 1/True (sensor's microcontroller light is off). if GPIO.input(channel): print("No water detected") else: # 'Water' = 0/False (microcontroller light is on). print("Water detected!") # Wait 5 seconds before checking again. time.sleep(5) # Clean things up if for any reason we get to this # point before script stops. GPIO.cleanup()

Sample Details

Service: iot

Last tested: 2019-01-25

Author: pccornel

Type: full-example

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