新手刚开始研究ARDUINO请教一个ARDUINO连接LCD1602的问题

ymhemcu

新手刚开始研究ARDUINO，请教一个ARDUINO连接LCD1602的问题，我为什么无法编译通过呢？
我已经加载了相应的库文件，难道加载的还有什么不对吗？大家帮我看看这是为什么呢？






看到官网上介绍说安装库文件不要解压缩，直接将ZIP文件添加进去就可以



后来编译还是出现同样的问题，我又再次改为手动安装，安装结果像下图那样，对吗？



再或者不是库的问题？？

C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:29:57: error: WConstants.h: No such file or directory
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp: In member function 'void LCD4Bit_mod::pulseEnablePin()':
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:58: error: 'LOW' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:58: error: 'digitalWrite' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:59: error: 'delayMicroseconds' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:61: error: 'HIGH' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:64: error: 'delay' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp: In member function 'void LCD4Bit_mod::pushNibble(int)':
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:73: error: 'digitalWrite' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp: In member function 'void LCD4Bit_mod::commandWriteNibble(int)':
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:99: error: 'LOW' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:99: error: 'digitalWrite' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp: In member function 'void LCD4Bit_mod::commandWrite(int)':
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:106: error: 'LOW' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:106: error: 'digitalWrite' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp: In member function 'void LCD4Bit_mod::print(int)':
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:118: error: 'HIGH' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:118: error: 'digitalWrite' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:119: error: 'LOW' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp: In member function 'void LCD4Bit_mod::clear()':
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:139: error: 'delay' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp: In member function 'void LCD4Bit_mod::init()':
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:146: error: 'OUTPUT' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:146: error: 'pinMode' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:154: error: 'delay' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:160: error: 'delayMicroseconds' was not declared in this scope
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp: In member function 'void LCD4Bit_mod::leftScroll(int, int)':
C:\Program Files (x86)\Arduino\libraries\LCD4Bit_mod\LCD4Bit_mod.cpp:225: error: 'delay' was not declared in this scope

zoologist

有 < 的 include要放到 library的路径下

如果你用 “” 那么就放到源文件路径下