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strawberry-pi-greenhouse
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test for ultrasonic 

Signed-off-by: Ebbe Baß <ebbe@ping-mee.de>
master
Ebbe Baß 2022-07-11 01:17:29 +02:00
parent a9068ab80f
commit 082094ccc5
2 changed files with 39 additions and 11 deletions
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1
main.py
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@ -29,7 +29,6 @@ def error_print(message: str):
print('[ERROR]['+current_time+'] '+message) print('[ERROR]['+current_time+'] '+message)
#relay #relay
def relay_controller(pin: int, status: str): def relay_controller(pin: int, status: str):
if status == "ON": if status == "ON":
relay = gpiozero.OutputDevice(pin, active_high=False, initial_value=False) relay = gpiozero.OutputDevice(pin, active_high=False, initial_value=False)

49
test.py
View File

@ -1,13 +1,42 @@
import board # import board
import busio # import busio
import adafruit_bmp280 # import adafruit_bmp280
# import time
# def get_temperature():
# i2c = busio.I2C(board.SCL, board.SDA)
# bmp280 = adafruit_bmp280.Adafruit_BMP280_I2C(i2c, address=0x76)
# return bmp280.temperature
# while True:
# print(get_temperature())
# time.sleep(1)
global GPIO
import RPi.GPIO as GPIO
import time import time
def get_temperature(): GPIO_TRIGGER = 18
i2c = busio.I2C(board.SCL, board.SDA) GPIO_ECHO = 24
bmp280 = adafruit_bmp280.Adafruit_BMP280_I2C(i2c, address=0x76) GPIO.setup(GPIO_TRIGGER, GPIO.OUT)
return bmp280.temperature GPIO.setup(GPIO_ECHO, GPIO.IN)
while True: def get_water_level():
print(get_temperature()) GPIO.output(GPIO_TRIGGER, True)
time.sleep(1) time.sleep(0.00001)
GPIO.output(GPIO_TRIGGER, False)
startTime = time.time()
StopTime = time.time()
while GPIO.input(GPIO_ECHO) == 0:
startTime = time.time()
while GPIO.input(GPIO_ECHO) == 1:
StopTime = time.time()
TimeElapsed = StopTime - startTime
distance = (TimeElapsed * 34300) / 2
return distance
print(get_water_level())