### Project 2 Digital white LED module

![](media/image-20251124172617926.png)

**1.Introduction**
This LED light module has a shiny color, ideal for Arduino starters. It can be easily connected to IO/Sensor shield.

**2.Specification**

- Type: Digital
- PH2.54 socket
- White LED light module
- Enables interaction with light-related works
- Size: 30*20mm
- Weight: 3g

**3.Connection Diagram**

![](media/image-20251125172758308.png)

**4.Sample Code**

```c
int led = 3;

void setup()
{
 pinMode(led, OUTPUT);     //Set Pin3 as output
}

void loop()
{
         digitalWrite(led, HIGH);   //Turn on led
         delay(2000);
         digitalWrite(led, LOW);    //Turn off led
         delay(2000);
}
```