# Ardupilot固定功能自定义构建

由于当前的Ardupilot已经不以适合1M飞控闪存空间，官方固件已经开始砍掉大部分的硬件驱动和不常用的功能，才能勉强让1M的飞控继续运行。不幸地，依照首发原则，1M飞控只保留了最早加入的MS4525传感器为基础驱动，ASP5033，DLVR，MS5525，SDP3X传感器也默认地被排除在固件中，如果需要增加这些驱动或者固件，需要自行到官方的自定义固件构建服务器中勾选需要的驱动与功能，选择对应的飞控板后，服务器会自动在线构建固件文件，等等固件构建成功后，自行下载，并通过自定义固件方式刷进飞控。

{% hint style="info" %}
*我们建议购买飞控时，应该尽量选择大于1M闪存的飞控板。*
{% endhint %}

自定义固件构建服务器网址

[Custom.ardupilot.org](https://custom.ardupilot.org/)


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