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

[Patrick Wood]

If you already have a usb serial adapter, most are a usb to ttl chip
attached to a ttl to rs232 chip..  I have tapped the ttl a few times
for quick ttl in out.

p

On Thu, Jun 2, 2011 at 11:19 AM, alexandru <yo2ldk at yahoo.com> wrote:
> @Bob K8YS,
> hi, you need something like this :
> http://cgi.ebay.com/USB-RS232-TTL-Module-cp2102-/280556942025?pt=BI_Electrical_Equipment_Tools&hash=item41527f32c9
> work very well and is a good interface to transceiver and you can leave cell
> phone back in garage :)
> alexander- yo2ldk
> ________________________________
> From: Bob <k8ys at fuse.net>
> To: TAPR APRS Mailing List <aprssig at tapr.org>
> Sent: Thu, June 2, 2011 2:58:34 PM
> Subject: [aprssig] has anyone built/modified a USB to TTL level converter??
>
> 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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