基于ESP32与micropython的mifare门禁系统_ESP32.zip

from machine import UART,Pin, SoftI2C,PWM from pn532 import Pn532 import ssd1306 import time def clear(self): oled.fill(0) oled.show() p2 = PWM(Pin(2)) p2.freq(50) i2c = SoftI2C(scl=Pin(18),sda=Pin(19)) # 宽度高度 oled_width = 128 oled_height = 64 # 创建oled屏幕对象 oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c) oled.text('Welcome To Use', 10, 20) oled.show() time.sleep(1) oled.text('By anopy', 30, 30) oled.show() time.sleep(3) # oled预填充设定，0为纯黑，1为纯白 oled.fill(0) # 应用填充 oled.show() oled.text('Waiting Card...',13,30) oled.show() from machine import freq from pn532 import Pn532 u1 = UART(1,115200,rx=13,tx=12) a = Pn532(u1) uid = a.find_card(0) uid_str = str(uid) uid_str = uid_str[3:8] ad_list = [uid_str,"Z\x05"] while True: clear(0) oled.text('Waiting Card...',15,30) oled.show() uid = a.find_card(0) uid_str = str(uid) u = uid_str[5:8] if u == 'x05': p2.duty_u16(4915) clear(0) oled.text('Unlocked!',30,30) oled.show() time.sleep(5) p2.duty_u16(1638) # 舵机复位 time.sleep(1) clear(0) else: clear(0) oled.text('Failed!',30,20) oled.show() oled.text('Try again!',20,30) oled.show() time.sleep(3)