然后我们初始化一个File类型的对象“sdcard_file”,它将帮助我们使用这些函数之后,我们定义了连接SD卡模块的CS引脚和lm35传感器引脚的引脚。 File sdcard_file; DS3231 rtc(SDA, SCL); int CS_pin = 10; // Pin 10 on Arduino Uno const int sensor_pin = A0; floattemp; float output; 接下来我们宣布C...
再把下面的代码传入arduino控制板,看看效果#include File myFile;void setup()Serial.begin(9600);Serial.print(Initializing SD card.); pinMod 13、e(10, OUTPUT); if (!SD.begin(4) Serial.println(initialization failed!); return;Serial.println(initialization done.);myFile = SD.open(test.txt, FILE...
int pinCS = 53; // Pin 10 on Arduino Uno void setup() { Serial.begin(9600); pinMode(pinCS, OUTPUT); // SD Card Initialization if (SD.begin()) { Serial.println("SD card is ready to use."); } else { Serial.println("SD card initialization failed"); return; } // Create/Open...
Arduino代码 – 使用CardInfo测试SD卡模块 与SD卡通信是一项繁重的工作，但对我们来说幸运的是，Arduino...
Serial.println("SD card initialization failed");return;} // Create/Open file myFile = SD.open(...
Serial.println("Initializing SD card..."); if (!SD.begin(SD_CS)) { Serial.println("ERROR - SD card initialization failed!"); return; // init failed } // If the data.txt file doesn't exist // Create a file on the SD card and write the data labels ...
Serial.print("Initializing SD card..."); if (!SD.begin(4)) { Serial.println("initialization failed!"); return; } Serial.println("initialization done."); // open the file. note that only one file can be open at a time, // so you have to close this one before opening another. ...
再次,用SD.open()打开该文件。一旦打开,用SD.read()让Arduino读文件的内容,并发送他们到串口。读取所有文件的内容后,用SD.close()关闭文件。 /* SD card read/write This example shows how to read and write data to and from an SD card file ...
Serial){;// wait for serial port to connect. Needed for native USB port only}Serial.print("Initializing SD card...");if(!SD.begin(4)){Serial.println("initialization failed!");while(1);}Serial.println("initialization done.");// open the file. note that only one file can be open ...
Serial.print("Initializing SD card..."); if (!SD.begin(4)) { Serial.println("initialization failed!"); while (1); } Serial.println("initialization done."); // open the file. note that only one file can be open at a time, ...