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43
relays.py
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43
relays.py
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#import RPi.GPIO as GPIO
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import time
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import subprocess
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Relay = [5, 6, 13, 16, 19, 20, 21, 26]
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All_Relays = "5,6,13,16,19,20,21,26"
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ON = 1
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OFF = 0
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# GPIO.HIGH -> relay off
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# GPIO.LOW -> relay on
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#GPIO.setmode(GPIO.BCM)
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#GPIO.setwarnings(False)
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def init():
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# alle Relais auf output und ausschalten
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res = subprocess.run(["pinctrl", All_Relays, "op", "dh"])
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def on(id):
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# GPIO.output(Relay[id], GPIO.LOW)
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res = subprocess.run(["pinctrl", f"{Relay[id]}", "op", "dl"])
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def off(id):
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# GPIO.output(Relay[id], GPIO.HIGH)
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res = subprocess.run(["pinctrl", f"{Relay[id]}", "op", "dh"])
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def setOnOff(id, state):
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if state==ON:
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on(id)
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elif state==OFF:
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off(id)
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def onoffstatus(id):
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res = subprocess.run(["pinctrl", "lev", f"{Relay[id]}"], capture_output=True, text=True)
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if res.returncode == 0:
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out = int(res.stdout)
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if out == 1:
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return OFF
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if out == 0:
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return ON
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raise ValueError
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40
sensors.py
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40
sensors.py
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import smbus2
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import bme280
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import time
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# I2C bus ini initialisieren
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bus = smbus2.SMBus(1)
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class EnvironmentSensor:
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def __init__(self, addr):
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self.addr = addr
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def temperature(self):
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return bme280.sample(bus, self.addr).temperature
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def humidity(self):
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return bme280.sample(bus, self.addr).humidity
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def pressure(self):
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return bm2280.sample(bus, self.addr).pressure
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env=[EnvironmentSensor(0x76), EnvironmentSensor(0x77)]
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lightMeasurementTime=0.2
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def readBH1750(bus, addr = 0x23):
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bus.write_byte(addr, 0x01) # power on
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bus.write_byte(addr, 0x20) # set high res onetime measurement mode
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time.sleep(lightMeasurementTime) # 0.1 should already be enough time for measurement
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data = bus.read_i2c_block_data(addr, 0, 2) # get measurement result
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return ((data[0] << 8) + data[1]) / 1.2 # factor 1.2 is from sensor datasheet
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def illuminance():
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return readBH1750(bus)
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def environment(sensor):
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if sensor == 0:
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return bme280.sample(bus, 0x76)
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elif sensor == 1:
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return bme280.sample(bus, 0x77)
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else:
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raise ValueError
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128
zazalab.py
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128
zazalab.py
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#!/home/ralf/python/zazalab/venv/bin/python
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# -*- coding:utf-8 -*-
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#import morse
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import relays
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import sensors
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import time
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#import RPi.GPIO as GPIO
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import argparse
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class ArgumentParser(argparse.ArgumentParser):
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def _check_value(self, action, value):
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if value is action.default:
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return
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return super()._check_value(action, value)
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'''
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env0 = sensors.environment(0)
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env1 = sensors.environment(1)
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lux = sensors.illuminance()
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# Ausgabe der Messwerte
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print("Sensor Umwelt 0:")
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print(f"Temperatur: {env0.temperature:.2f} °C")
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print(f"Luftfeuchtigkeit: {env0.humidity:.0f} %")
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print(f"Luftdruck: {env0.pressure:.0f} hPa")
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print()
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print("Sensor Umwelt 1:")
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print(f"Temperatur: {env1.temperature:.2f} °C")
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print(f"Luftfeuchtigkeit: {env1.humidity:.0f} %")
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print(f"Luftdruck: {env1.pressure:.0f} hPa")
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print()
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print("Sensor Beleuchtung:")
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print(f"Beleuchtungsstärke: {lux:.2f} lux")
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'''
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def initFunc(args):
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relays.init()
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def setFunc(args):
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for relay in args.relay:
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if args.state == 'on':
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relays.on(relay)
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else:
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relays.off(relay)
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def getFunc(args):
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if args.subparser == 'relay':
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for i in args.relay:
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if args.header == True:
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print(f'Relay {i}:')
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print(relays.onoffstatus(i))
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return
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if ['temperature', 'pressure', 'humidity', 'sensor'].count(args.subparser) != 0:
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if args.unit == True:
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units = ['°C', '%', 'mbar', 'lux']
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else:
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units = ['', '', '', '']
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for i in args.sensortype:
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if args.header == True:
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print(f'Sensor {i}:')
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if i < 2:
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env = sensors.environment(i)
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if args.subparser == 'temperature' or args.subparser == 'sensor':
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print(f'{env.temperature:.2f} {units[0]}')
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if args.subparser == 'humidity' or args.subparser == 'sensor':
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print(f'{env.humidity:.2f} {units[1]}')
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if args.subparser == 'pressure' or args.subparser == 'sensor':
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print(f'{env.pressure:.2f} {units[2]}')
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elif i == 2:
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light = sensors.illuminance()
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print(f'{light:0.0f} {units[3]}')
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else:
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raise ValueError
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#relays.init()
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# local ArgumentParser
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parser = ArgumentParser(
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prog = 'zazactl',
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description = 'Auslesen der am Raspberry Pi angeschlossenen Sensoren und Steuerung der Relais.',
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epilog = ''
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)
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subparsers = parser.add_subparsers(required = True)
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subparserGet = subparsers.add_parser('get', help = 'type ''get -h'' for more help')
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subparserGet.add_argument('-u', dest='unit', default=False, action='store_true', help='show values with units')
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subparserGet.add_argument('-s', dest='header', default=False, action='store_true', help='show sensor number')
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subparserGetSubs = subparserGet.add_subparsers(required = True, dest='subparser')
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subparserGetTemperature = subparserGetSubs.add_parser('temperature')
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subparserGetTemperature.add_argument('sensortype', metavar='sensornumber', type=int, choices=[0, 1], default=[0, 1], nargs='*', help='sensor number(s): 0, 1')
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subparserGetTemperature.set_defaults(func = getFunc)
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subparserGetHumidity = subparserGetSubs.add_parser('humidity')
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subparserGetHumidity.add_argument('sensortype', metavar='sensornumber', type=int, choices=[0, 1], default=[0, 1], nargs='*', help='sensor number(s): 0, 1')
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subparserGetHumidity.set_defaults(func = getFunc)
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subparserGetPressure = subparserGetSubs.add_parser('pressure')
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subparserGetPressure.add_argument('sensortype', metavar='sensornumber', type=int, choices=[0, 1], default=[0, 1], nargs='*', help='sensor number(s): 0, 1')
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subparserGetPressure.set_defaults(func = getFunc)
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subparserGetSensor = subparserGetSubs.add_parser('sensor')
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subparserGetSensor.add_argument('sensortype', metavar='sensornumber', type=int, choices=[0, 1, 2], default=[0, 1, 2], nargs='*', help='sensor number(s): 0, 1, 2')
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subparserGetSensor.set_defaults(func = getFunc)
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subparserGetRelay = subparserGetSubs.add_parser('relay')
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subparserGetRelay.add_argument('relay', metavar='relaynumber', type=int, choices=range(0,6), default=range(0,6), nargs='*', help='relay number(s): 0-7 (6 and 7 not connected to plugs)')
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subparserGetRelay.set_defaults(func = getFunc)
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subparserSet = subparsers.add_parser('set', help = 'set help')
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subparserSetSubs = subparserSet.add_subparsers(required = True)
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subparserSetRelay = subparserSetSubs.add_parser('relay')
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subparserSetRelay.add_argument('relay', metavar = 'relaynumber', type=int, choices=range(0,6), nargs='*', default=range(0,6), help = 'relay number(s) in the range 0..7')
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subparserSetRelay.add_argument('state', choices=('on', 'off'))
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subparserSetRelay.set_defaults(func = setFunc)
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subparserInit = subparsers.add_parser('init', help = 'init help')
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subparserInit.set_defaults(func = initFunc)
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args = parser.parse_args()
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args.func(args)
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'''
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#relays.init()
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#morse.morse("eis eis", 1)
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for i in range(0, 8):
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status = relays.onoffstatus(i)
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print(f"no:{i}, status:{status}")
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'''
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