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 Amateur Radio RF Measurements:


  GCPU-EXT is an Infinity Project:

Fox Delta Project "INFINITY"

Click above image to know more about INFINITY Project Concept



A Project by:

Tony / I2TZK, Frank / K7SFN , Dinesh / VU2FD


An Expansion Board for Graphic CPU-0613:

Graphic CPU is designed keeping in mind all possible ways to expand it. This small board will provide GCPU-0613 users with:

1. 8 X Relay OUTPUTS

2. I2C Bridge Connection


Completed GCPU-EXT Board:

Click above picture for larger view


GCPU-EXT Board may be useful for following Projects:

"Fox Delta INFINITY" Graphic CPU with PIC18F4550

SWM4 SWR METER: Alarm for High SWR ETC.


AAZ-0713 Antenna Anlayzer : When connected to GCPU, may provide relay/alarm operation


PM 4: RF Power Meter: May have various alarms/Relay output when FW/PC Software is developed




Alarm / Relay operation is part of GCPU Firmware / PC Software development. Please check if functions of this extension board are supported for specific add-on modules like: SWM4, AAZ-0713, PM4 etc

 GCPU-EXT :  Tech Information Documents


GCPU-EXT Tech info document 0-500MHZ RF Sensor Document
GCPU-EXT Schematic JPG
GCPU-EXT Kit Parts List 0-500MHZ RF Sensor Document


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Buy From 2CO     

GCPU-EXT Board Complete KIT 25.00 Will be available soon


GCPU-EXT complete kit with Free Case

You can buy a GCPU-0613 here



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