Language# Cached Pages# Arduino API —— Arduino Documentation Arduino Reference Home Page Built-in Examples —— Arduino Documentation GPIO# pinMode() - Arduino Reference digitalRead() - Arduino Reference digitalWrite() - Arduino Reference Data type# Save long int and float in EEPROM Float Datatypes 字节内的比特交换之蝶式算法 PRJ - Byte Type PRJ - High Byte PRJ - Swap Bits Lf Print and Write# print function usage sprintf function usage 如何在程序空间保存大量常量数据? PRJ - Print Format PRJ - Write Float Union PRJ - Write Int Float With Pointer PRJ - Write Int Union PRJ - Write Vs Print Char array and String# string - Arduino Reference String() - Arduino Reference String startsWith and endsWith Functions —— Arduino Documentation String Character Functions —— Arduino Documentation PRJ - Arrays Of Strings Program Structure# 用typedef声明新类型名 PRJ - Typedef Naming A Type Using Variables in Sketches —— Arduino Documentation 如何在 setup() 和 loop() 之间传递信息？ How to define a class in Arduino? PRJ - Addtwolib Memory# PRJ - F Macro PRJ - Place Const In Program Memory 2 PRJ - Place Const In Program Memory PRJ - Progmem Example 1