Holub's communication protocol (HCP).
Simple communication protocol to connect various devices.
It is a result of desire to create own communication protocol.
Please see the presentation in attached file.
Example device with photos will be created as another instructable.
Picture displays stupid obscure device suitable for HCP.
Example device with source code is introduced here:
Video of the presentation can be found here or in attachment (Czech language):
Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.