Python code for MicroPython v1.19.1 using Thonny
# Light and Motion sensor control of Relay
from machine import ADC, Pin
from time import sleep
import tm1637
mydisplay = tm1637.TM1637(clk=Pin(26), dio=Pin(27))
mydisplay.brightness(0)
# Microcontrollerslab.com - LED button
# peppe8o.com/how-to-use-a-photoresistor-with-raspberry-pi-pico - light sensor
mot_delay = 100. # tenths of a second (100 = 10 seconds)
0 # 600 twenths of a second = 2 min
push_delay = 100 # 9000 tenths of a second = 10 min
daylight = 48 # 16 Garage, 20 basement
loop_delay = 0.1
display_cnt = 0
# Light sensor pin
photoPIN = 28
def readLight(photoGP):
photoRes = ADC(Pin(photoPIN))
light = photoRes.read_u16()
light = int(light/65535*100)
return light
mydisplay.show(" ")
motion_sensor = Pin(22, Pin.IN) # 13 number pin is input
push_button = Pin(21, Pin.IN) # 13 number pin is input
led_red = Pin(16, Pin.OUT) # 14 number in is Out
led_green = Pin(17, Pin.OUT) # 14 number in is Output
push_time = 0
mot_time = 0
push_led = 0
mot_led = 0
sleep(.1)
sensor_temp = machine.ADC(4)
conversion_factor = 3.3 / (65535)
while True:
reading = sensor_temp.read_u16() * conversion_factor
celsius_degrees = 27 - (reading - 0.706)/0.001721
fahrenheit_degrees = int(celsius_degrees * 9 / 5 + 32)
# print (fahrenheit_degrees)
push_logic_state = push_button.value()
darkness = readLight(photoPIN)
darkness_str = '%0*d' % (2, darkness)
darkness_digit_str = '%0*d' % (1, darkness/10)
# print(darkness_str)
if push_logic_state == True: # if push_button pressed
sleep(.05)
if push_time != 0:
push_time = 0
else:
push_time = push_delay
mot_logic_state = motion_sensor.value()
if mot_logic_state == True and darkness < daylight: # if push_button pressed
mot_time = mot_delay
sleep(loop_delay) # set a delay between readings
if push_time > 0:
push_time = push_time - 1
push_led = 1 # led will turn ON
else: # if push_button not pressed
push_led = 0 # led will turn OFF
if mot_led == 1:
led_red.value(1) # led will turn ON
else: # if push_button not pressed
if push_led == 1:
led_red.value(1) # led will turn ON
else: # if push_button not pressed
led_red.value(0) # led will turn OFF
if mot_time > 0:
mot_time = mot_time - 1
mot_led = 1 # led will turn ON
else: # if push_button not pressed
mot_led = 0 # led will turn OFF
if display_cnt > 19:
display_str = darkness_str + str(int(mot_time/(mot_delay/10))) + str(int(push_time/(push_delay/10)))
print("light: " + darkness_str +"%, button: " + str(push_logic_state) + ", motion: " + str(mot_logic_state) + " push "+ str(push_time) + " mot_secs: "+ str(int(mot_time*loop_delay))+ " temp: "+ str(fahrenheit_degrees) + " display: "+display_str)
display_cnt =0
if mot_time == 0 and push_time == 0:
mydisplay.show(darkness_digit_str +"-"+str(fahrenheit_degrees))
else:
mydisplay.show(display_str)
else:
display_cnt = display_cnt + 1
