def main(): #Main execution block GPIO.setmode(GPIO.BCM) GPIO.setwarnings(False) GPIO.setup(FANPWR, GPIO.OUT) probe_modules() while True: temp = read_temp() print("Temp: %s" % temp) print("") trigger = False #COOLING if (MODE == 0): if float(temp) > THRESHOLD + SWING: turn_on() elif float(temp) < THRESHOLD - SWING: turn_off() #HEATING if (MODE == 1): if (float(temp) < THRESHOLD) - SWING: turn_on() elif float(temp) > THRESHOLD + SWING: turn_off() time.sleep(INTERVAL)
def main(): #Main execution block GPIO.setmode(GPIO.BCM) GPIO.setwarnings(False) GPIO.setup(FAN, GPIO.OUT) GPIO.setup(LED2, GPIO.OUT) probe_modules() while True: speed = 0 temp = read_temp() diff = THRESHOLD - temp if (diff > 0): speed = (RANGE / 100) * diff * FACTOR #speed = 1024 #print("speed = " + str(speed)) if speed >= RANGE: set_fan_speed(MAX) else: set_fan_speed(int(speed)) else: set_fan_speed(0) print("Temp:" + str(temp)) print("") trigger = False #COOLING if (MODE == 0): if float(temp) > THRESHOLD + SWING: turn_on() elif float(temp) < THRESHOLD - SWING: turn_off() #HEATING if (MODE == 1): if float(temp) < THRESHOLD - SWING: turn_on() elif float(temp) > THRESHOLD: turn_off() time.sleep(INTERVAL)
#!/usr/bin/env python import Stubs.RPi.GPIO as GPIO THRESHOLD = 80 SWING = 1 METRIC = False MODE = 0 #0 is cool 1 is heat INTERVAL = 5 GPIO.setmode(GPIO.BCM) GPIO.setwarnings(False) GPIO.setup(20, GPIO.OUT) print(GPIO.input(20)) print("Turn Off!") GPIO.output(20, GPIO.LOW) print(GPIO.input(20))
def turn_off(): GPIO.output(FANPWR, GPIO.LOW)
def turn_on(): GPIO.output(FANPWR, GPIO.HIGH)
#!/usr/bin/python # -*- coding: utf-8 -*- import Stubs.RPi.GPIO as GPIO import sys #import os FAN_PIN = 21 WAIT_TIME = 1 PWM_FREQ = 25 GPIO.setmode(GPIO.BCM) GPIO.setup(FAN_PIN, GPIO.OUT, initial=GPIO.LOW) fan = GPIO.PWM(FAN_PIN, PWM_FREQ) fan.start(0) i = 0 hyst = 1 tempSteps = [50, 70] speedSteps = [0, 100] cpuTempOld = 0 try: while 1: fanSpeed = float(input("Fan Speed: ")) fan.ChangeDutyCycle(fanSpeed) except (KeyboardInterrupt): print("Fan ctrl interrupted by keyboard") GPIO.cleanup()
def turn_off(): print("Turn Off!") GPIO.output(FAN, GPIO.LOW) GPIO.output(LED2, GPIO.LOW)
def turn_on(): print("Turn On!") GPIO.output(FAN, GPIO.HIGH) GPIO.output(LED2, GPIO.HIGH)
def turn_off(): GPIO.output(18, GPIO.LOW) print("Turn Off!")
def turn_on(): print("Turn On!") GPIO.output(18, GPIO.HIGH)
import Stubs.RPi.GPIO as GPIO import Adafruit_MAX31855.MAX31855 as MAX31855 import Adafruit_GPIO.SPI as SPI FC = 20 PWM = 21 Magic = 1 THRESHOLD = 225 SWING = 1 METRIC = False MODE = 0 #0 is cool 1 is heat INTERVAL = 5 GPIO.setmode(GPIO.BCM) GPIO.setwarnings(False) GPIO.setup(FC, GPIO.OUT) #HARDWARE SPI SPI_PORT = 0 SPI_DEVICE = 0 sensor = MAX31855.MAX31855( spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=5000000)) def turn_on(): print("Turn On!") GPIO.output(18, GPIO.HIGH)
import Adafruit_MAX31855.MAX31855 as MAX31855 import Adafruit_GPIO.SPI as SPI #TODO: to be replaced by a sensor object. THRESHOLD = 300 SWING = 1 METRIC=False MODE=1 #0 is cool 1 is heat INTERVAL = 5 GPIO.setmode(GPIO.BCM) GPIO.setwarnings(False) GPIO.setup(20, GPIO.OUT) # power to fan and led indicator GPIO.setup(23, GPIO.OUT) # pwm fan control GPIO.setup(24, GPIO.IN) #HARDWARE SPI SPI_PORT = 0 SPI_DEVICE = 0 sensor = MAX31855.MAX31855(spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=5000000)) def turn_on(): print("Turn On!") GPIO.output(20, GPIO.HIGH)