树莓派计算器
程序1：数字键盘：
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from gpiozero import LEDBoard,Button from time import sleep from signal import pause import tkinter import threading M7G= [ (1,1,1,1,1,1,0,0),#0 (0,1,1,0,0,0,0,0),#1 (1,1,0,1,1,0,1,0),#2 (1,1,1,1,0,0,1,0),#3 (0,1,1,0,0,1,1,0),#4 (1,0,1,1,0,1,1,0),#5 (1,0,1,1,1,1,1,0),#6 (1,1,1,0,0,0,0,0),#7 (1,1,1,1,1,1,1,0),#8 (1,1,1,1,0,1,1,0),#9 (0,0,0,0,0,0,0,0),#全灭 ] DM = LEDBoard(7,21,13,5,11,12,19,6,active_high=False) PX = LEDBoard(8,16,20,26,active_high=True) buff = [0,0,0,0] #def xiugai(id): # def a(e): # print(id) # # buff[0] = min(buff[0] + 1,9) # num = buff[3]+buff[2]*10+buff[1]*100+buff[0]*1000 # # #print(widget["text"]) # num = min(num*10+id,9999) # print("num=",num) # buff[0]=num//1000 # buff[1]=num//100%10 # buff[2]=num//10%10 # buff[3]=num%10 # return a def xiugai(x): num = buff[3]+buff[2]*10+buff[1]*100+buff[0]*1000 num = min(num*10+x,9999) print("num=",num) buff[0]=num//1000 buff[1]=num//100%10 buff[2]=num//10%10 buff[3]=num%10 def clr(): global buff buff = [0,0,0,0] def loop(): top = tkinter.Tk() for i in range(9): BT = tkinter.Button(top, text = i+1) BT.bind('<Button-1>',lambda x:xiugai(x.widget["text"])) BT.grid(row = (8-i)//3,column = i%3) BT = tkinter.Button(top, text = 0) BT.bind('<Button-1>',lambda x:xiugai(x.widget["text"])) BT.grid(row = 3,column = 1) BT = tkinter.Button(top, text = 'clr',command = clr) BT.grid(row = 3,column = 0) top.mainloop() d1 = threading.Thread(target = loop) d1.start() while True: DM.off() PX.off() PX[0].on() DM.value = M7G[buff[0]] sleep(1/200) DM.off() PX.off() PX[1].on() DM.value = M7G[buff[1]] sleep(1/200) DM.off() PX.off() PX[2].on() DM.value = M7G[buff[2]] sleep(1/200) DM.off() PX.off() PX[3].on() DM.value = M7G[buff[3]] sleep(1/200) |
项目2：TK数码管计算器
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from gpiozero import LEDBoard,Button from time import sleep from signal import pause import tkinter import threading M7G= [ (1,1,1,1,1,1,0,0),#0 (0,1,1,0,0,0,0,0),#1 (1,1,0,1,1,0,1,0),#2 (1,1,1,1,0,0,1,0),#3 (0,1,1,0,0,1,1,0),#4 (1,0,1,1,0,1,1,0),#5 (1,0,1,1,1,1,1,0),#6 (1,1,1,0,0,0,0,0),#7 (1,1,1,1,1,1,1,0),#8 (1,1,1,1,0,1,1,0),#9 (0,0,0,0,0,0,0,0),#全灭 ] DM = LEDBoard(7,21,13,5,11,12,19,6,active_high=False) PX = LEDBoard(8,16,20,26,active_high=True) buff = [0,0,0,0] #def xiugai(id): # def a(e): # print(id) # # buff[0] = min(buff[0] + 1,9) # num = buff[3]+buff[2]*10+buff[1]*100+buff[0]*1000 # # #print(widget["text"]) # num = min(num*10+id,9999) # print("num=",num) # buff[0]=num//1000 # buff[1]=num//100%10 # buff[2]=num//10%10 # buff[3]=num%10 # return a old_value = 0 fuhao = ' ' def xiugai(x): num = buff[3]+buff[2]*10+buff[1]*100+buff[0]*1000 num = min(num*10+x,9999) print("num=",num) buff[0]=num//1000 buff[1]=num//100%10 buff[2]=num//10%10 buff[3]=num%10 def clr(): global buff buff = [0,0,0,0] def div():#除法 pass def mul():#乘法 pass def minus():#减法 # ttt = ''.join(str(i) for i in buff) # print (int(ttt)) # ttt = str(int(ttt)) # print(eval(ttt)) pass def plus():#加法 global buff,fuhao,old_value old_value = buff[3]+buff[2]*10+buff[1]*100+buff[0]*1000 buff = [0,0,0,0] fuhao = '+' pass def equ():#= global old_value print(old_value) if fuhao == '+': num = old_value + buff[3]+buff[2]*10+buff[1]*100+buff[0]*1000 old_value = buff[3]+buff[2]*10+buff[1]*100+buff[0]*1000 print("=",num) if num > 9999: print("数据超限") old_value = 0 else: buff[0]=num//1000 buff[1]=num//100%10 buff[2]=num//10%10 buff[3]=num%10 pass def loop(): top = tkinter.Tk() for i in range(9): BT = tkinter.Button(top, text = i+1) BT.bind('<Button-1>',lambda x:xiugai(x.widget["text"])) BT.grid(row = (8-i)//3,column = i%3) BT = tkinter.Button(top, text = 0) BT.bind('<Button-1>',lambda x:xiugai(x.widget["text"])) BT.grid(row = 3,column = 1) BT = tkinter.Button(top, text = 'C',command = clr) BT.grid(row = 3,column = 0) tkinter.Button(top, text = '=',command = equ).grid(row = 3,column = 2) tkinter.Button(top, text = '/',command = div).grid(row = 0,column = 3) tkinter.Button(top, text = '*',command = mul).grid(row = 1,column = 3) tkinter.Button(top, text = '-',command = minus).grid(row = 2,column = 3) tkinter.Button(top, text = '+',command = plus).grid(row = 3,column = 3) top.mainloop() d1 = threading.Thread(target = loop) d1.start() while True: DM.off() PX.off() PX[0].on() DM.value = M7G[buff[0]] sleep(1/200) DM.off() PX.off() PX[1].on() DM.value = M7G[buff[1]] sleep(1/200) DM.off() PX.off() PX[2].on() DM.value = M7G[buff[2]] sleep(1/200) DM.off() PX.off() PX[3].on() DM.value = M7G[buff[3]] sleep(1/200) |
项目3：TK_eval数码管计算器
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from gpiozero import LEDBoard,Button from time import sleep from signal import pause import tkinter import threading M7G= [ (1,1,1,1,1,1,0,0),#0 (0,1,1,0,0,0,0,0),#1 (1,1,0,1,1,0,1,0),#2 (1,1,1,1,0,0,1,0),#3 (0,1,1,0,0,1,1,0),#4 (1,0,1,1,0,1,1,0),#5 (1,0,1,1,1,1,1,0),#6 (1,1,1,0,0,0,0,0),#7 (1,1,1,1,1,1,1,0),#8 (1,1,1,1,0,1,1,0),#9 (0,0,0,0,0,0,0,0),#全灭 ] DM = LEDBoard(7,21,13,5,11,12,19,6,active_high=False) PX = LEDBoard(8,16,20,26,active_high=True) buff = [0,0,0,0] str_temp="" def xiugai(x): num = buff[3]+buff[2]*10+buff[1]*100+buff[0]*1000 num = min(num*10+x,9999) print("num=",num) buff[0]=num//1000 buff[1]=num//100%10 buff[2]=num//10%10 buff[3]=num%10 def clr(): global buff,str_temp buff = [0,0,0,0] str_temp = "" def jisuan(fuhao):#计算 global buff,str_temp str_temp = ''.join(str(i) for i in buff) str_temp = str(int(str_temp))#去掉最前面的0 str_temp += fuhao buff = [0,0,0,0] print(str_temp) def equ():#= global buff,str_temp str_new = ''.join(str(i) for i in buff) str_new = str(int(str_new)) str_temp += str_new print(str_temp) num = int(eval(str_temp)) print(num) if num > 9999 or num < 0: print("数据超限") old_value = 0 else: buff[0]=num//1000 buff[1]=num//100%10 buff[2]=num//10%10 buff[3]=num%10 pass def loop(): top = tkinter.Tk() for i in range(9): BT = tkinter.Button(top, text = i+1) BT.bind('<Button-1>',lambda x:xiugai(x.widget["text"])) BT.grid(row = (8-i)//3,column = i%3) BT = tkinter.Button(top, text = 0) BT.bind('<Button-1>',lambda x:xiugai(x.widget["text"])) BT.grid(row = 3,column = 1) BT = tkinter.Button(top, text = 'C',command = clr) BT.grid(row = 3,column = 0) tkinter.Button(top, text = '=',command = equ).grid(row = 3,column = 2) tkinter.Button(top, text = '/',command = lambda: jisuan('/')).grid(row = 0,column = 3) tkinter.Button(top, text = '*',command = lambda: jisuan('*')).grid(row = 1,column = 3) tkinter.Button(top, text = '-',command = lambda: jisuan('-')).grid(row = 2,column = 3) tkinter.Button(top, text = '+',command = lambda: jisuan('+')).grid(row = 3,column = 3) top.mainloop() d1 = threading.Thread(target = loop) d1.start() while True: DM.off() PX.off() PX[0].on() DM.value = M7G[buff[0]] sleep(1/200) DM.off() PX.off() PX[1].on() DM.value = M7G[buff[1]] sleep(1/200) DM.off() PX.off() PX[2].on() DM.value = M7G[buff[2]] sleep(1/200) DM.off() PX.off() PX[3].on() DM.value = M7G[buff[3]] sleep(1/200) |
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