[Elecraft] Remote tuning knob K3

Paul Fletcher paul at melreed.demon.co.uk
Fri May 8 17:24:53 EDT 2009




Joe Subich, W4TV-4 wrote:
> 
> An external device that would accept the RS-232 input 
> from a PC (to allow other control software) and would 
> simply add UP;/DN; (10 Hz steps) or UP4;/DN4; (1 KHz 
> steps) to the data stream would be rather worthwhile.  
> Add a couple general purpose inputs that could trigger 
> specific commands on make and break (e.g., "tune" or 
> "ATU Tune") and the device would be a real winner. 
> 
This is fairly easy to do - I have the bulk of the code already written and
tested to do this as part of the remote ATU that I'm building (encoder
interface, RS232 code, limited K3 command parsing). The code is written in
CCS C for a microchip PIC and if you are interested I can send out the code
under an open source not for commercial use type of arrangement.

Regards,
Paul M1PAF
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