KNX BCU

KNX TP-UART bus coupler module

Description

Small KNX bus coupling module to connect microcontrollers like Arduino over the serial interface. Uses the first version of the Siemens TP-UART chip and is easy to handle by hand. Perfectly suited for small KNX self-made devices.

Dimensions: 19 x 34 mm

This is just a DIY board, so there is no official KNX stack to configure via the ETS software.

Preview

A little look at the finished circuit board (3D model):

Parts

Some parts are a hard to come by, so here is a short overview of known distributors (no affiliates).

Layout & Production

You can find all the open data here as a KiCad project. You can find all the necessary dependencies such as footprints or libraries in the folder KiCad Symbols & Footprints.

The Gerber files for the production of the board can be found here under releases.

License

The MIT License (MIT)

Copyright (c) 2021 André Husken hello@arduino-smarthome.de

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.