[chirp_users] FT-60 and CP2102
blueneon at gmail.com
Mon Nov 2 08:04:39 PST 2015
See this for an externally powered version which may come in handy should
the host serial interface decide to be a REAL pill about how much current
it's gonna source. :P
On Mon, Nov 2, 2015 at 10:57 AM, Tom Morris <blueneon at gmail.com> wrote:
> The MAX232 method is likely gonna be picky as heck unless there's a
> constant power source available. You can use the DTR line on the serial
> port but on some systems this isn't driven with enough current.
> That being said, this is what I've used.
> I just tossed a 2N2222 and 2N3904 in there as the PNP and NPN transistors.
> Never fails.
> On Mon, Nov 2, 2015 at 8:53 AM, Steve Whitehead <nv7vham at gmail.com> wrote:
>> Turns out it looks like most of the CP2102 USB adapters are 3.3V output.
>> Specifications for
>> TTL logic is 5V. I have ordered a CP2102 that has both so we'll try that
>> and see what
>> In the dim times (when we used a kerosene lamp to illuminate our computer
>> screens) a common
>> practice was to use a Max232 to convert RS232 levels to TTL for
>> programming radios when you did
>> not want to purchase a $40 cable from RT systems. It was often hit and
>> miss if the radio would work
>> because the levels were sometimes not quite right.....
>> Should have the different CP2102 this week and report back.
>> >Thanks for the response Jim. I wish it as easy as finding a short.
>> > I have three of the converted 6-in-1 cables and the behavior is the
>> >I will keep playing with it. I did not order the cheapest available
>> >available from China and notice there are several different styles.
>> >Perhaps this one is somehow different in levels or buffering from the
>> >others. I have read online others have had success programming the
>> >FT-60 with the CP2102 so something is different. One thing of note is
>> >this is one of the CP2102s that John said has the TXD and RXD switched.
>> >On Fri, Oct 30, 2015 at 8:25 AM, Steve Whitehead <nv7vham at gmail.com>
>> > I have been using one of the 6-in-1 programming cables with the
>> > Prolific chip in it. After reading John Miklor's article about using
>> > CP2102
>> > in place of the Prolific counterfeit I replace the chip with the CP2102
>> > The cable works perfectly with the UV-5R radios but no longer works with
>> > Yaesu FT-60. It is the same with my MacBook Pro or if I use FT-60
>> > commander.
>> > I thought before I start spending several hours chasing this down I
>> > ask
>> > if anyone else has run into this.
>> > Thanks,
>> Please note new e-mail address
>> nv7vham at gmail.com
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> Tom Morris, KG4CYX
> Exhibit Technician and Plastic Orange Tree Arborist, Miami Children's
> 151.820 Megacycles
Tom Morris, KG4CYX
Exhibit Technician and Plastic Orange Tree Arborist, Miami Children's Museum
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