Make Lottery Using Pico

 

#MakeLottryUsingPico.py

#Stepper motor:28BY-48 5VDC

#Stepper board:Using DRV8833

#LCD 1002 i2c display

##November 25,2021 finished

import machine 

import utime

from machine import I2C,Pin

from pico_i2c_lcd import I2cLcd

import urandom

SW1=Pin(4,Pin.IN,Pin.PULL_DOWN)

SW2=Pin(5,Pin.IN,Pin.PULL_DOWN)

IN1=Pin(6,Pin.OUT)

IN2=Pin(7,Pin.OUT)

IN3=Pin(8,Pin.OUT)

IN4=Pin(9,Pin.OUT)

wait_ms=2

State=False

i2c=I2C(0,sda=Pin(0),scl=Pin(1),freq=400000)

I2C_ADDR=i2c.scan()[0]

lcd=I2cLcd(i2c,I2C_ADDR,2,16)

        

def stepperstart():

    IN1.value(1)

    IN2.value(0)

    IN3.value(0)

    IN4.value(1)

    utime.sleep_ms(wait_ms)

    IN1.value(1)

    IN2.value(1)

    IN3.value(0)

    IN4.value(0)

    utime.sleep_ms(wait_ms)

    IN1.value(0)

    IN2.value(1)

    IN3.value(1)

    IN4.value(0)

    utime.sleep_ms(wait_ms)

    IN1.value(0)

    IN2.value(0)

    IN3.value(1)

    IN4.value(1)

    utime.sleep_ms(wait_ms)

def stepperstop():

    IN1.value(0)

    IN2.value(0)

    IN3.value(0)

    IN4.value(0)

    #utime.sleep(2)

    

def openlcd():

    lcd.putstr("Bit 1 to 6" + "\n")

    lcd.putstr("Long press sw" + "\n")   

    lcd.clear

    

def stoplcd():

    i=urandom.randrange(1,6)

    istring =str(i)

    lcd.putstr("Number is  "  + istring +"\n")

    lcd.putstr(""+"\n")

    lcd.clear

    

openlcd()

while True:   

    if SW1.value()==1:

        State=True

    if SW2.value()==1:

        State=False

      

    if  State==True :

        stepperstart()

    if  State==False and SW2.value()==1 and SW1.value()==0:

        stepperstop()

        stoplcd()