EEPROM问题(无法清除Arduino-Uno Eeprom)
我遇到了Arduino Uno的问题,最近才开始使用Arduino,这是我第一次使用EEPROM。我的问题是我创建了一个受密码保护的门,并且由于多次尝试,我存储了很多密码,我不知道哪一个是正确的,因为它总是提示我“错误的密码”。我尝试使用:
使用LCD.print
在LCD中显示密码这使LCD显示了具有111个字符,并且看起来像3个水平线,我不知道如何在键盘矩阵上输入3个水平字符线
尝试使用内置的Arduino示例(EEPROM_CLEAR)
来清除EEPROM内存,但无济
EEPROM 请帮助我:(
I have encountered problem with my Arduino Uno, I just recently started using arduino, and this is my first time to use the EEPROM. My problem is that I have created a password protected door, and due to several attempts I have stored so much password and I dont know which one is the correct, since it always prompts me "Wrong password". I have tried to:
display the password in the lcd using lcd.print
this made the lcd display characters with 111 and a character that looks like a 3 horizontal lines, I dont know how to input the 3 horizontal character lines on my keypad matrix
tried to clear the EEPROM memory using the built-in arduino example (EEPROM_clear)
but to no avail, the password in the EEPROM is retained , and now I cant figure out the password
What should I do please help me :(
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