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

[Dave Haynes]

Bit more expensive probably, but we use quite a few of ebay 
400194809628. It has USB to RS232, RS485, and TTL all on one board, and 
uses the FTDI chip which is the most stable chipset I've tried.

Dave G1TVL

On 02/06/2011 16:19, alexandru 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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