This sketch, for the Arduino GSM shield,sends an SMS message you enter in the serial monitor. Connect your Arduino with the GSM shield and SIM card, open the serial monitor, and wait for the "READY" message to appear in the monitor. Next, type a message to send and press "return". ...
Wire.requestFrom(8, 6); // request 6 bytes from slave device #8 while (Wire.available()) { // slave may send less than requested char c = Wire.read(); // receive a byte as character Serial.print(c); // print the character } delay(500); } 1. 2. 3. 4. 5. 6. 7. 8. ...
Python 忽略了从#到行尾的所有内容;例如:# create a variable to hold the text message = "Hello World" # print the text stored in the variable print(message) 在前面的代码中,我向我们的hello_world.py程序添加了两行注释。我还添加了一个空行来帮助使代码更容易阅读。如果您保存并运行这个程序,您将得...
') { BT.println("Send '1' to turn LED on"); BT.println("Send '2' to turn LED on"); } // you can add more "if" statements with other characters to add more commands }}5 把上图的代码上传至开发板后，用手机连上这块开发板的蓝牙后，可以通过...
android:text="SendTestMSG" /> </LinearLayout> </LinearLayout> 安全帽端设备Arduino主程序 #define CMD_MAXNUM 5 #define LED_DIGIT_NUM 8 int DIO_Pin = 8; //pin 14 on the 75HC595(DIO) int RCK_Pin = 9; //pin 12 on the 75HC595(RCLK) ...
AT+CIPSEND 1. 2. 3. 4. 5. 6. 7. 8. 3. Arduino UNO 串口连接方式 Arduino UNO ESP8266 D2-TX D3-RX 5V-Vin 3.3V-3.3V GND-GND Arduino UNO ESP8266 D2、D3为arduino设置的软串口RX和TX。 4. Arduino UNO与ESP8266-12f串口连接 ...
For example, your message may contain values from two or more sensors. You want to use these values in a program such as Processing, running on a computer or a device such as a Raspberry Pi. Solution An easy way to do this is to send a text string with all the fields separated by ...
For the IDE to send the compiled code to the board, the board needs to be plugged into the computer, and you need to tell the IDE which board and serial port you are using. When an upload starts, whatever sketch is running on the board is stopped (if you were running the Blink sket...
AliyunIoTSDK::send("humidity", humidity); delay(800); } // 初始化 wifi 连接 void wifiInit(const char *ssid, const char *passphrase) { WiFi.mode(WIFI_STA); WiFi.begin(ssid, passphrase); while (WiFi.status() != WL_CONNECTED) ...
(&oneWire);Stringmessage="";boolmessageReady=false;/** The setup function. We only start the sensors here*/voidsetup(void){Serial.begin(9600);sensors.begin();}/** Main function, get and show the temperature*/voidloop(void){sensors.requestTemperatures();// Send the command to get ...