> For the complete documentation index, see [llms.txt](https://wiki.wisdpi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.wisdpi.com/computer/dynamic-lighting-controller/modify-the-number-of-led.md).

# 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="/files/Ptx2m6kBCAFDLICygU77" 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="/files/xEwyDiru5o71wfn6YEZ1" alt=""><figcaption></figcaption></figure>

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

<figure><img src="/files/sIWdlt6IM4osRn1XlviC" alt=""><figcaption></figcaption></figure>

## Method 2: Web Tools （Chrome）

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