Planning what to add and where
The product pages for these devices usually include their dimensions. Depending on which exact breakout you buy, you may need to adapt these designs. Let us use some known models and make a rough test fit to turn into a design.
Bluetooth and IMU mounting plan
The Bluetooth and IMU should be above the rest of the robot. The IMU’s magnetic sensors should not be near the motors and encoders. Putting the Bluetooth higher improves the signal. This rough drawing shows the plan:
Figure 7.3 – Rough sketch of the shelf
The Bluetooth and IMU, shown in the figure as darker boxes, could be placed on a shelf to distance them from interference with the motors. This shelf, shown in transparent white in the preceding figure, is mounted on standoffs, shown as darker bolt holes. This rough part is superimposed on a FreeCAD sketch to show where it goes.
We are likely, at least while we are developing this robot, to change...