void loop() { midiOut.sendControlChange(56,127,1); // send a MIDI CC -- 56 = note, 127 = velocity, 1 = channel delay(1000); // wait 1 second midiOut.sendProgramChange(12,1); // send a MIDI PC -- 12 = value, 1 = channel delay(1000); // wait 1 second } 此代码将发送...
# GPIO example blinking LED # Import the GPIO and time libraries import RPi.GPIO as GPIO import time # Set the GPIO mode to BCM and disable warnings GPIO.setmode(GPIO.BCM) GPIO.setwarnings(False) # Define pins led = 16 GPIO.setup(led,GPIO.OUT) # Make sure LED is off GPIO.output(led...
OUTPUT);}// the loop function runs over and over again forevervoid loop() { digitalWrite(PC13, HIGH); // turn the LED on (HIGH is the voltage level) delay(1000); // wait for a second digitalWrite(PC13, LOW); // turn the LED off by making the voltage LOW delay(10...
delay(1000); // wait for a second } 程序的开头/*...到后面还有一个*/ /*...*/为多行注释,中间这些英文是对程序的一个简单介绍,里面有程序的功能,说明,作者及时间。同样多行注释内容是不参与程序的运行的。 程序的主体是下面这些语句。 在解读这个程序前,先看一下太极创客的一个例子: 假如Arduino开...
delay(1000); // wait for a second 如前所述，在上传任何程序之前必须将 STM32 板设置为串口上传模式，为此将boot 0 跳线置于低电平。如下所示：确保 boot 0 短接1的位置，然后按下复位按钮，绿色 LED 熄灭，这表明板子已准备好上传。点击 Arduino IDE 上的上传按钮，您的程序应该被编译和上传。如果程序成功...
(1000); // wait for a second // turn the LED off by making the voltage LOW // wait for a second for(pos = 0; pos <= 180; pos += 1) // goes from 0 degrees to 180 degrees { // in steps of 1 degree // tell servo to go to position in variable 'pos' // waits 15ms ...
voidsetup(){pinMode(13,OUTPUT);}voidloop(){digitalWrite(13,HIGH);// turn the LED on (HIGH is the voltage level) delay(1000);// wait for a second digitalWrite(13, LOW);// turn the LED off by making the voltage LOW delay(1000);// wait for a second } ...
// delay(1000); // wait for a second // if(digitalRead(BUTTON_BOOT)==0)// { // ...
client.publish("$thing/up/property/"+ device_id, output);// Print the temperature in the Serial Monitor:Serial.println(output);delay(1000);// wait a second between readings}voidloop(){ client.loop();publish(); } 烧录 在工具>开发板中选择正确的开发板esp32-devkit-v1, 在工具>端口中选择...
delay(1000);//wait for a second digitalWrite(led, LOW); //turn the LED off by making the voltage LOW delay(1000);//wait for a second } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. ...