After several days of waiting, both the PCB board and the 3D model have been printed. All the components are shown in the figure below. We have pre-soldered the PCB and connected the components to the adapter board. Now let's assemble them.

First, fix the main body of the head to the main board with screws.

Then place them in the groove of the handle front cover.

Insert the adapter board into the motherboard, first place the 5-key button, then the knob, and finally the battery.

Then cover the head cover. It is necessary to install the magnet in the magnet slot first, then insert the protrusion of the cover into the empty position of the main board adapter plate, and press it gently.

Finally, cover the handle back cover.

Completed.

Assembly video:

Overall, after all the components are installed into the shell, they are relatively stable, which indicates that our shell design is acceptable. Next, we will try to make the first demo: Camera + ranging module.