If you have a PDF of the , follow this checklist:
Designed to provide stable brightness and extend the lifespan of the LED light bars. AliExpress Connection Interface (Standard 4-Pin)
The UVLO circuit shuts down the output. Once voltage rises above 17V, the module restarts normally.
If you are developing a project or repairing a device using the GYD-9E, follow these general steps:
