ট্রাফিক লাইটArduino Traffic Light (3 LEDs)
220Ω resistor সহ তিনটা LED pin 12, 11 আর 10 এ; sketch টা লাল, তারপর সবুজ, তারপর হলুদ জ্বালায় — রাস্তার সিগন্যালের মতো।
Three LEDs with 220Ω resistors on pins 12, 11 and 10; the sketch runs red, then green, then yellow, like a road signal.
যা যা লাগবে · Parts you need
- 1 × Arduino Uno Arduino Uno
- 3 × Resistor 220Ω Resistor
- 1 × LED (red) LED বাতি
- 1 × LED (yellow) LED বাতি
- 1 × LED (green) LED বাতি
- 9 × Jumper wires জাম্পার তার
তার লাগানো · Wiring
| Arduino Uno D12 | → | Resistor a |
| Resistor b | → | LED A |
| Arduino Uno D11 | → | Resistor a |
| Resistor b | → | LED A |
| Arduino Uno D10 | → | Resistor a |
| Resistor b | → | LED A |
| LED K | → | Arduino Uno GND.3 |
| LED K | → | Arduino Uno GND.3 |
| LED K | → | Arduino Uno GND.3 |
Code (Arduino C++)
// Traffic light: red, then green, then yellow
int red = 12, yellow = 11, green = 10;
void setup() {
pinMode(red, OUTPUT);
pinMode(yellow, OUTPUT);
pinMode(green, OUTPUT);
}
void loop() {
digitalWrite(red, HIGH); delay(3000); digitalWrite(red, LOW);
digitalWrite(green, HIGH); delay(3000); digitalWrite(green, LOW);
digitalWrite(yellow, HIGH); delay(1000); digitalWrite(yellow, LOW);
}
ভিডিও · Videos
Design Traffic Light System Using Arduino in Bangla!
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Arduino Tutorial - #2 Traffic Light LED Project with Code for #beginners