[aprssig] has anyone built/modified a USB to TTL level converter??

Rud Merriam k5rud at arrl.net
Thu Jun 2 22:59:22 EDT 2011

  Not entirely sure which way you want to connect. But I will mention 
that they make computer USB to TTL interfaces. I am not at home to look 
at the part but a Google search should locate them. Try Sparkfun.

- 73 -
* Rud Merriam K5RUD
Emergency Coordinator
/ Montgomery County ARES® <http://www.wa5eoc.org/> /
* / Mystic Lake Software <http://mysticlakesoftware.com/>

On 6/2/2011 9:58 AM, Bob wrote:
> I need TTL.
> I have RS232
> I have USB
> I do not have a RS232 port. Rules out the standard USB to RS232 dongle.
> I think that I want to take an old cell phone to computer interface that has
> a USB to RS232 level converter. It is a common chip, and I have the drivers.
> I want to take the RS232 from the cell phone cable and feed it to a MAX233
> to get TTL in/out.
> Then use the TTL to talk to the IC706m2g to control the radio.
> Without reinventing the wheel, is there a "better way"?
> Bob K8YS
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