import machine
import time

led1 = machine.Pin(0, machine.Pin.OUT)
led2 = machine.Pin(3, machine.Pin.OUT)
led3 = machine.Pin(5, machine.Pin.OUT)
led4 = machine.Pin(8, machine.Pin.OUT)
led5 = machine.Pin(10, machine.Pin.OUT)
led6 = machine.Pin(13, machine.Pin.OUT)
led7 = machine.Pin(15, machine.Pin.OUT)
relay = machine.Pin(16, machine.Pin.OUT)
relay.value(1)
S = 0.1 #sleep time
A1 = 3 #on time
A2 = 3 #off time

while True:
    led1.value(1)  # Turn LED on (HIGH)
    time.sleep(S) # Wait
    led1.value(0)  # Turn LED off (LOW)
    time.sleep(S) # Wait
    led2.value(1)  # Turn LED on (HIGH)
    time.sleep(S) # Wait
    led2.value(0)  # Turn LED off (LOW)
    time.sleep(S) # Wait
    led3.value(1)  # Turn LED on (HIGH)
    time.sleep(S) # Wait
    led3.value(0)  # Turn LED off (LOW)
    time.sleep(S) # Wait
    led4.value(1)  # Turn LED on (HIGH)
    time.sleep(S) # Wait
    led4.value(0)  # Turn LED off (LOW)
    time.sleep(S) # Wait
    led5.value(1)  # Turn LED on (HIGH)
    time.sleep(S) # Wait
    led5.value(0)  # Turn LED off (LOW)
    time.sleep(S) # Wait
    led6.value(1)  # Turn LED on (HIGH)
    time.sleep(S) # Wait
    led6.value(0)  # Turn LED off (LOW)
    time.sleep(S) # Wait
    led7.value(1)  # Turn LED on (HIGH)
    time.sleep(S) # Wait
    led7.value(0)  # Turn LED off (LOW)
    time.sleep(S) # Wait
    relay.value(0)
    time.sleep(A1) # Wait
    relay.value(1)
    time.sleep(A2) # Wait
    relay.value(0)
    time.sleep(A1) # Wait
    relay.value(1)
    time.sleep(A2) # Wait
    relay.value(0)
    time.sleep(A1) # Wait
    relay.value(1)
    time.sleep(A2) # Wait