# Modify the number of led

WP-DLC01 support modification of the number of led, convenient for users to adapt to the corresponding want to light strip effect.

## Modification Method: Serial

Baud rate: 9600

Data bit: 8

Stop bit: 1

Parity: None

## Method 1: Serial Debug Tool

Send a data between 0 and 256 directly through the serial port without line feeds. 

* WP-DLC01 will return the new number of LEDs when correctly modified.

<figure><img src="https://389921961-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FjPowryxiQvRDiYHC9qWy%2Fuploads%2FfI9rmeWMFToQGchgAb5j%2FWP-DLC01%203.png?alt=media&#x26;token=288930e7-f3c3-4881-b6e7-684a415cc77a" alt=""><figcaption></figcaption></figure>

* When you enter a quantity less than 1, the system will indicate an error and revert to the default quantity of 120.

<figure><img src="https://389921961-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FjPowryxiQvRDiYHC9qWy%2Fuploads%2Fhx7cBiI4CzyCWFbIOkOE%2FWP-DLC01%204.png?alt=media&#x26;token=4b4ba8bb-9895-4404-ad98-b7e966ffc4bf" alt=""><figcaption></figcaption></figure>

* When you enter a quantity greater than 255, the system supports up to 255.

<figure><img src="https://389921961-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FjPowryxiQvRDiYHC9qWy%2Fuploads%2F8lvnxCaop2ktpfB2h9eu%2FWP-DLC01%205.png?alt=media&#x26;token=b176054c-a518-4591-83a6-6015736d37f7" alt=""><figcaption></figcaption></figure>

## Method 2: Web Tools （Chrome）

[Please use chrome browser to click this link](https://wisdpi.github.io/dynamiccontroller_webtools/)