Created
October 31, 2025 02:14
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| #include <Wire.h> | |
| #include <Adafruit_GFX.h> | |
| #include "Adafruit_LEDBackpack.h" | |
| // สร้างออบเจ็กต์จอ 7-Segment | |
| Adafruit_7segment matrix = Adafruit_7segment(); | |
| void setup() { | |
| Serial.begin(9600); | |
| Serial.println("7-Segment Test"); | |
| // เริ่มต้นจอที่ Address 0x70 | |
| matrix.begin(0x70); | |
| // ตั้งค่าความสว่าง (0-15) | |
| matrix.setBrightness(10); | |
| // เคลียร์จอ | |
| matrix.clear(); | |
| matrix.writeDisplay(); | |
| } | |
| void loop() { | |
| // นับเลขจาก 0 ถึง 9999 | |
| for (int i = 0; i <= 9999; i++) { | |
| matrix.print(i); | |
| matrix.writeDisplay(); | |
| delay(100); | |
| } | |
| } |
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