"G7": 3136,
"GS7": 3322,
"A7": 3520,
"AS7": 3729,
"B7": 3951,
"C8": 4186,
"CS8": 4435,
"D8": 4699,
"DS8": 4978
}
# Test Tones
print('Testing our tones')
for k, v in tones.items():
print('playing', k)
pwmBuzzer.frequency = v
pwmBuzzer.value = 0.8 # I don't know if this is a limitation of my crappy buzzer or pwm, but I cant use 1.0
sleep(0.3) # this is our tempo
pwmBuzzer.value = 0
sleep(1)
# Crappy jingle
print('Playing a crappy jingle')
for tone in [
tones['CS3'],
'P',
tones['E3'],
tones['CS3'],
tones['CS3'],
tones['F3'],
"""
from gpiozero import CPUTemperature, PWMOutputDevice
from time import sleep
#==Adjustable params===
t_max = 80.0
t_set = 65.0 # Desired set-point for CPU temperature in celcius
PIN_PWM = 18
PWM_MIN_HZ = 10 # Adjust to frequency with lowest fan whine
PWM_MIN_DC = 0.4 # Set this to the lowest duty cycle that is able to start fan
PWM_MAX_DC = 1.0 # continuously on
#======================
cpu = CPUTemperature()
fanPwm = PWMOutputDevice(pin=PIN_PWM)
fanPwm.frequency = PWM_MIN_HZ
fanPwm.value = 0
Kp = 1 / (1 * (t_max - t_set)) # Coefficient for P term
T_iter = 0.5 # PID loop time step
Ti = 10 * T_iter # Integration time for I-term
Td = 2 * T_iter # Derivative time for D-term
Nint = int(Ti / T_iter)
Nder = int(Td / T_iter)
Nmax = max(Nint, Nder)
errors = [] # for keeping Nmax last error terms. errors[0] is oldest term
def calc_error(temp_meas):
""" Update error relative to t_set and store in errors for integration & derivation """
from gpiozero import PWMOutputDevice
from time import sleep
BUZZERPIN = 12
buzzer = PWMOutputDevice(BUZZERPIN)
buzzer.frequency = 5000
buzzer.value = 0.0
def buzz(frequency, period):
buzzer.frequency = frequency
buzzer.value = 0.5
sleep(period)
buzzer.value = 0.0
while True:
buzz(3000, 2)
sleep(1)
from gpiozero import PWMOutputDevice from gpiozero import Robot from time import sleep from gpiozero import LED led1 = LED(21) #robot1 = Robot(right=(16, 20), left=(6,5)) robot1 = Robot(left=(16, 20), right=(6, 5)) PwmRight = PWMOutputDevice(19) PwmLeft = PWMOutputDevice(13) PwmRight.frequency = 1000 PwmRight.value = 0.25 PwmLeft.frequency = 1000 PwmLeft.value = 0.25 led1.on() robot1.forward() sleep(1) led1.off() robot1.left() sleep(1) #robot1.right() sleep(1) #robot1.backward() led1.on() sleep(1) robot1.stop() led1.off()
