May 13, 2018
Allows you to connect one radio to four antennas or four radios to one antenna. Need a sophisticated 4 to 4 matrix? Purchase two and you can write custom firmware to connect any one of four ports to any one of another four ports. This project features:
At a minimum, you will need the PCB, the PIC, and the basic BOM.
If you wish to build a version with full XBee wireless control and RS485 Control, please order from the following. Please note that there are multiple options for XBee radios - pick ONE for the board and another for your host PC side of the connection
The PC side of the optional XBee wireless data radio link can be found at many sources including Amazon, eBay, Aliexpress and Others - search for "XBee USB adapter"
This is a simple program with a graphic user interface that allows you to click buttons and send ASCII commands to the relay board. The program is written in Liberty Basic. This is a good, simple compiler that is easy to learn and has a lot of great features.