# Development Environment<a name="EN-US_TOPIC_0000001077607540"></a>

1.  Prepare development boards Hi3516D V300 and Hi3518E V300.
2.  [Download the source code](https://device.harmonyos.com/en/docs/start/get-code/oem_sourcecode_guide-0000001050769927#EN-US_TOPIC_0000001050769927__section1186691118430).