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};
const byte POWER_PINS[4] = {10, 11, 12, 13};
const byte SEGMENT_LENGTH = sizeof(SEGMENT_PINS) / sizeof(byte);
const byte POWER_LENGTH = sizeof(POWER_PINS) / sizeof(byte);
const unsigned int SEGMENTS[8] = {
// middle
1 << 0,
// top left
1 << 1,
// top
1 << 2,
// top right
1 << 3,
// dot
1 << 4,
// bottom right
1 << 5,
// bottom
1 << 6,
// bottom left
1 << 7
};
const unsigned int DIGITS[10] = {
// 0
(SEGMENTS[1] | SEGMENTS[2] | SEGMENTS[3] | SEGMENTS[5] | SEGMENTS[6] | SEGMENTS[7]),
// 1
(SEGMENTS[3] | SEGMENTS[5]),
// 2
(SEGMENTS[0] | SEGMENTS[2] | SEGMENTS[3] | SEGMENTS[6] | SEGMENTS[7]),
// 3
(SEGMENTS[0] | SEGMENTS[2] | SEGMENTS[3] | SEGMENTS[5] | SEGMENTS[6]),
// 4
(SEGMENTS[0] | SEGMENTS[1] | SEGMENTS[3] | SEGMENTS[5]),
// 5
(SEGMENTS[0] | SEGMENTS[1] | SEGMENTS[2] | SEGMENTS[5] | SEGMENTS[6]),
// 6
(SEGMENTS[0] | SEGMENTS[1] | SEGMENTS[2] | SEGMENTS[5] | SEGMENTS[6] | SEGMENTS[7]),
// 7
(SEGMENTS[2] | SEGMENTS[3] | SEGMENTS[5]),
// 8
(SEGMENTS[0] | SEGMENTS[1] | SEGMENTS[2] | SEGMENTS[3] | SEGMENTS[5] | SEGMENTS[6] | SEGMENTS[7]),
// 9
(SEGMENTS[0] | SEGMENTS[1] | SEGMENTS[2] | SEGMENTS[3] | SEGMENTS[5] | SEGMENTS[6])
};
unsigned int x = 0;
void setup() {
byte length;
for (byte i = 0; i < POWER_LENGTH; i++) {
pinMode(POWER_PINS[i], OUTPUT);
digitalWrite(POWER_PINS[i], LOW);
}
for (byte i = 0; i < SEGMENT_LENGTH; i++) {
pinMode(SEGMENT_PINS[i], OUTPUT);
digitalWrite(SEGMENT_PINS[i], HIGH);
}
}
void loop() {
x %= 10000;
// loop 4 digits for assigning the dot
for (byte k = 0; k < POWER_LENGTH; k++) {
for (byte j = 0; j < (100 / POWER_LENGTH); j++) {
// loop 4 digits
unsigned int y = 1;
for (byte i = 0; i < POWER_LENGTH; i++) {
y *= 10;
// set segments to the digit
// assign the dot to the digit each 250ms
setLED(POWER_PINS[i], DIGITS[(x / (y / 10)) % 10] | ((k == i) ? SEGMENTS[4] : 0));
}
// total delay 8ms 4 digits
// delay extra 2ms to be 10ms in a period
delay(2);
}
}
x++;
}
void setLED(byte powerPin, unsigned int segmentValue, bool enabled) {
digitalWrite(powerPin, enabled ? HIGH : LOW);
for (byte i = 0; i < SEGMENT_LENGTH; i++) {
if ((segmentValue & SEGMENTS[i]) > 0) {
digitalWrite(SEGMENT_PINS[i], enabled ? LOW : HIGH);
}
}
delay(1);
}
void setLED(byte powerPin, unsigned int segmentValue) {
setLED(powerPin, segmentValue, true);
setLED(powerPin, segmentValue, false);
}

Xulosa: Ushbu Labaratoriya vazifasida 7 ta yetti segmentli indikatordan tashkil topgan 4 razryadli matrisa. Dinamik aks ettirishni amalga oshirish (Arduinoda)., Ushbu Loyiha Tinkerkad saytida tuzildi , va c++ dasturi amaliy ishga tushirldi.