## Prototyping Cards

These custom prototyping cards have been used to develop the HBC-56.

They provide a number of features to make working with them easy. Including:

* Connections for the HBC-56 bus.
* 3 horizontal power rails. (ICs are intended to straddle these).
* Up to 5 rows of ICs supports.
* Vertical traces to jump sections.
* Power and ground planes.

![](/img/proto_3d.PNG)
