feat: 全量同步 254 个常用的 Arduino 扩展库文件

arduino-libs/arduino-cli/libraries/MAX6675/max6675.h

@@ -0,0 +1,21 @@
+// this library is public domain. enjoy!
+// www.ladyada.net/learn/sensors/thermocouple
+
+#if ARDUINO >= 100
+ #include "Arduino.h"
+#else
+ #include "WProgram.h"
+#endif
+
+class MAX6675 {
+ public:
+  MAX6675(int8_t SCLK, int8_t CS, int8_t MISO);
+
+  double readCelsius(void);
+  double readFahrenheit(void);
+  // For compatibility with older versions:
+  double readFarenheit(void) { return readFahrenheit(); }
+ private:
+  int8_t sclk, miso, cs;
+  uint8_t spiread(void);
+};