#include <Arduino.h> // put function declarations here: // int myFunction(int, int); int LED_PIN = 10; int LED_PIN_2 = 9; int LED_PIN_3 = 8; int pin_array[3] = { LED_PIN, LED_PIN_2, LED_PIN_3, }; int current_pin = 0; // int DELAY_MS = 200 * 5; // void ...
// Initialise LED-arrayCRGB leds[NUM_LEDS];void setup() {// Use NEOPIXEL to keep true colorsFastLED.addLeds<neopixel, data_pin="">(leds, NUM_LEDS);// Initial RGB flashLEDS.showColor(CRGB(255, 0, 0));delay(500);LEDS.showColor(CRGB(0, 255, 0));delay(500);LEDS.showColor(CRGB...
Serial.println(array[i]); digitalWrite(latchPin,LOW); // 置为低电平,开始写入数据 shiftOut(dataPin,clockPin,MSBFIRST,array[i]); // 输入数据 digitalWrite(latchPin,HIGH); // 置为高电平,输出数据 delay(500); } } 8个开关控制LED 74HC595寄存器可以简单的理解为是一组8个的开关组,如上图(8个...
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);break;case1: digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);break;case2: digitalWrite(LEDARRAY_D...
{// Call the current pattern function once, updating the 'leds' arraygPatterns[gCurrentPatternNumber]();// send the 'leds' array out to the actual LED stripFastLED.show();// insert a delay to keep the framerate modestFastLED.delay(1000/FRAMES_PER_SECOND);// do some periodic updates...
引脚D8通过电阻连接到LED正极,负极接地。 引脚D12通过电阻与蜂鸣器正极连接,负极接地。 代码部分 文末是完整的代码,将其保存为MorseCode.ino,然后打开Arduino IDE “File->Open->MorseCode.ino”,上传到Arduino。上传完成后,打开串口监视器,你将看到如下的显示内容: ...
int ledLevel = map(sensorReading, 0, 1023, 0, ledCount); // loop over the LED array: for (int thisLed = 0; thisLed < ledCount; thisLed++) { // if the array element's index is less than ledLevel, // turn the pin for this element on: ...
This example code is in the public domain. http://www.arduino.cc/en/Tutorial/Array */ int timer = 100; // The higher the number, the slower the timing. int ledPins[] = { 2, 7, 4, 6, 5, 3 }; // an array of pin numbers to which LEDs are attached ...
当有物体靠近传感器约10cm的位置时,触发中断,点亮LED LIGHT_TIME毫秒,持续触发则常亮,无则灭灯。 通过修改 宏定义 LIGHT_TIME调节延时,LED负极接在数字10口(正极 3.3V供电) 2、靠近点亮/熄灭LED,延时期间操作不响应 当有物体靠近传感器约10cm的位置时,触发中断,点亮/熄灭LED,延时RESPONSE_TIME毫秒,延时期间操作不...
(0), }; */ #define INIT_REG_ARRAY_SIZE (sizeof(initRegisterArray)/sizeof(initRegisterArray[0])) uint8_t paj7620Init(void); uint8_t paj7620WriteReg(uint8_t addr, uint8_t cmd); uint8_t paj7620ReadReg(uint8_t addr, uint8_t qty, uint8_t data[]); void paj7620SelectBank(...