Changes

1. Please send your issue with <span style="color:red;font-weight:bold">order numbers and purchase link</span> to our support email: support@geekworm.com if you need after-sale support, that will do great help to solve the problem quickly, thanks in advance.

① Add 4 test pins to achieve powered between X825 V2.0 and Pi4 without additional cable. You can get power from the PI4's Type-C port or X825 V2.0 DC JACK power socket.