Objective :

This Section will trait some examples about the interaction of the Raspberry Pi board from the Python GUIs and its electronic surrendering environment :

Code Breakdown :

#! /usr/bin/python3

from tkinter import *
from tkinter import font
import tkinter as tk
import RPi.GPIO as GPIO
import time
from functools import partial

#Hard
GPIO.setmode(GPIO.BOARD)
GPIO.setup (40, GPIO.OUT)
GPIO.output(40, GPIO.LOW)
GPIO.setup (18, GPIO.OUT)
GPIO.output(18, GPIO.LOW)

#Top
win = tk.Tk() 
win.title("GUI GPIO")
win.geometry('600x380')
appHighlightFont= font.Font(family='Helvetica', size = 12, weight = 'bold')
myFont = font.Font(family = 'Helvetica', size = 12, weight = 'bold')
font.families()

def ledToggle(pin):
         if GPIO.input(pin) :
                 GPIO.output(pin,GPIO.LOW)
                 upBtT1("LED OFF",pin) 
                 print( str(pin)+ ' LED turned Off')
                 #ledButton1["text"] = "LED ON"
         else:
                 GPIO.output(pin,GPIO.HIGH)
                 upBtT1("LED ON",pin)
                 print( str(pin)+ ' LED turned On')
                 #ledButton1["text"] = "LED OFF"

def upBtT1(t,pi):
     if pi==40 :
         bt_var1.set(t)
     if pi==18 :
         bt_var2.set(t)
bt_var1=StringVar()
bt_var2=StringVar()
upBtT1("Click !!",18)
upBtT1("Click !!",40)
def exitProgram():
         print("Exit Button pressed")
         GPIO.cleanup()
         win.quit()    

#modif
def blink2(pin):
         for i in range(0,6):  
                 blink(pin)
         #blink(40)
def blink(pin):
         GPIO.output(pin,GPIO.HIGH)  
         time.sleep(0.2)  
         GPIO.output(pin,GPIO.LOW)  
         time.sleep(0.1)  
         #return  
blink GPIO40 & GPIO18 4 Times
for i in range(0,3):
blink(40)
blink(18)
GPIO.cleanup()

def upBtT():
     bt_var.set("b")
bt_var=StringVar()

#layOut
Button(win,textvariable=bt_var1, font = myFont, height = 2, width =8 ,
     command = partial(ledToggle,40)         
     ).grid(column=2, row=1) 
Button(win,textvariable=bt_var2, font = myFont, height = 2, width =8 ,
     command = partial(ledToggle,18)         
     ).grid(column=2, row=2) 

ledButton2 = Button(win, text = "Blink Led 40", font = myFont, height = 2, width =8 , 
     command = partial(blink2,40)    
     ).grid(column=2, row=3)

ledButton3 = Button(win, text = "Blink Led 18", font = myFont , height = 2, width =8 ,
     command = partial(blink2,18)
     ).grid(column=2, row=4)

exitButton  = Button(win, text = "Exit",     font = myFont , height =2 , width = 6,
     command = exitProgram
     ).grid(column=1, row=5)

Label(win, text="Toggel LED 1 :").grid(column=1, row=1)
Label(win, text="Toggel LED 2 :").grid(column=1, row=2)

Label(win, text="Blink_40 LED 1 :").grid(column=1, row=3)
Label(win, text="Blink_18 LED 2 :").grid(column=1, row=4)

Entry(win, text = "", font = myFont ).grid(column=2, row=5) 

mainloop()

The compete code :

Rename the file that it will have the extension of “.py”

Running:

Code source:

Go to GitHub Repository !