from signal import pause import atexit import gpiozero from gpiozero.tools import scaled, negated robot = gpiozero.Robot(left=(27, 17), right=(24, 23)) left_line_sensor = gpiozero.LineSensor(5) right_line_sensor = gpiozero.LineSensor(6) # Ensure it will stop atexit.register(robot.stop) robot.left_motor.source = scaled(negated(left_line_sensor), -0.3, 0.4) robot.right_motor.source = scaled(negated(right_line_sensor), -0.3, 0.4) pause()
#!/usr/bin/python3
from gpiozero import LED, PingServer
from gpiozero.tools import negated
from signal import pause
green = LED(17)
red = LED(4)
google = PingServer('8.8.8.8')
green.source = google
green.source_delay = 60
red.source = negated(green)
pause()
def constant_true():
while True:
yield True
def constant_false():
while True:
yield False
# start it
assign_sources()
# temperature alarms
ok_led.source = booleanized(temp, MIN_TEMP / 100, MAX_TEMP / 100)
alarm_led.source = negated(booleanized(temp, MIN_TEMP / 100, MAX_TEMP / 100))
# schedule status write to file
def writeStatus():
global scheduler
writeStatusToFile()
scheduler.enter(1, 1, writeStatus)
# start scheduler
# scheduler.enter(2, 1, writeStatus) ?
scheduler.run()
# wait until program gets killed
from gpiozero import StatusZero, MotionSensor
from gpiozero.pins.pigpio import PiGPIOFactory
from gpiozero.tools import negated
from signal import pause
ips = ['192.168.1.3', '192.168.1.4', '192.168.1.5']
remotes = [PiGPIOFactory(host=ip) for ip in ips]
sz = StatusZero() # on this pi
sensors = [MotionSensor(17, pin_factory=r) for r in remotes] # remote sensors
for strip, sensor in zip(leds, sensors):
strip.green.source = sensor.values
strip.green.source_delay = 5 # check every 5 seconds
strip.red.source = negated(strip.green.values)
pause()
from gpiozero import StatusBoard
from gpiozero.tools import negated
import requests
from signal import pause
def in_the_news(text):
url = 'http://www.bbc.co.uk/news'
while True:
r = requests.get(url)
yield text in r.text
sb = StatusBoard()
people = ['Donald Trump', 'Kim Jong-Un', 'Theresa May']
for strip, person in zip(sb, people):
strip.lights.red.source = in_the_news(person)
strip.lights.red.source_delay = 60 # check every hour
strip.lights.green.source = negated(strip.lights.red.values)
pause()
from travispy import TravisPy
from gpiozero import LED
from gpiozero.tools import negated
from time import sleep
from signal import pause
def build_passed(repo='RPi-Distro/python-gpiozero', delay=3600):
t = TravisPy()
r = t.repo(repo)
while True:
yield r.last_build_state == 'passed'
sleep(delay) # Sleep an hour before hitting travis again
red = LED(12)
green = LED(16)
red.source = negated(green.values)
green.source = build_passed()
pause()
from gpiozero import PingServer, LEDBoard
from gpiozero.tools import negated
from signal import pause
status = LEDBoard(
mum=LEDBoard(red=14, green=15),
dad=LEDBoard(red=17, green=18),
alice=LEDBoard(red=21, green=22)
)
statuses = {
PingServer('192.168.1.5'): status.mum,
PingServer('192.168.1.6'): status.dad,
PingServer('192.168.1.7'): status.alice,
}
for server, leds in statuses.items():
leds.green.source = server.values
leds.green.source_delay = 60
leds.red.source = negated(leds.green.values)
pause()
from gpiozero import LED, PingServer
from gpiozero.tools import negated
from signal import pause
green = LED(17)
red = LED(18)
google = PingServer('google.com')
green.source = google.values
green.source_delay = 60
red.source = negated(green.values)
pause()
from gpiozero import Button, LED from gpiozero.tools import negated from signal import pause led = LED(4) btn = Button(17) led.source = negated(btn.values) pause()
from gpiozero import LED, PingServer
from gpiozero.tools import negated
from signal import pause
import time
yellow_led = LED(4)
red_led = LED(17)
green_led = LED(18)
yellow_led.on()
time.sleep(15)
google = PingServer('google.com')
green_led.source_delay = 60
green_led.source = google
yellow_led.source = negated(green_led)
pause()
from gpiozero import StatusZero, PingServer
from gpiozero.tools import negated, smoothed
from signal import pause
sz = StatusZero('mum', 'dad', 'alice')
statuses = {
PingServer('192.168.1.5'): status.mum,
PingServer('192.168.1.6'): status.dad,
PingServer('192.168.1.7'): status.alice,
}
for server, strip in statuses.items():
strip.green.source = smoothed(server.values, 2,
any) # allow 1 false negative out of 2
strip.green.source_delay = 60
strip.red.source = negated(leds.green.values)
pause()
from gpiozero import Button, LED from gpiozero.tools import negated from signal import pause led = LED(4) btn = Button(17) led.source = negated(btn) pause()
from gpiozero import LED, Button from gpiozero.tools import all_values, any_values, negated from signal import pause in_1 = Button(23) in_2 = Button(15) out_1 = LED(24) out_2 = LED(18) out_3 = LED(14) out_1.source = all_values(in_1.values, in_2.values) out_2.source = any_values(in_1.values, in_2.values) out_3.source = negated(out_1.values) pause()
from gpiozero import StatusBoard
from gpiozero.tools import negated
from signal import pause
sb = StatusBoard()
for strip in sb:
strip.lights.green.source = strip.button.values
strip.lights.red.source = negated(strip.button.values)
pause()
from gpiozero import PingServer, StatusZero
from gpiozero.tools import negated
from signal import pause
status = StatusZero('mum', 'dad', 'alice')
statuses = {
PingServer('192.168.1.5'): status.mum,
PingServer('192.168.1.6'): status.dad,
PingServer('192.168.1.7'): status.alice,
}
for server, leds in statuses.items():
leds.green.source = server
leds.green.source_delay = 60
leds.red.source = negated(leds.green)
pause()
