<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body><div><div style="font-family: Calibri,sans-serif; font-size: 11pt;">So are you trying to use the same cable with both 3.3v (Baofeng) and 5v radios (Yaesu)? I think it would be cheaper to have 2 cables in that case.</div></div><div dir="ltr"><hr><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">From: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:blueneon@gmail.com">Tom Morris</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Sent: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">11/2/2015 8:05 AM</span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">To: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:chirp_users@intrepid.danplanet.com">Discussion of CHIRP</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Subject: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">Re: [chirp_users] FT-60 and CP2102</span><br><br></div><div dir="ltr">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<br><a href="http://mw0gkx.co.uk/radprog/icomhw/opc478.htm">http://mw0gkx.co.uk/radprog/icomhw/opc478.htm</a><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Nov 2, 2015 at 10:57 AM, Tom Morris <span dir="ltr"><<a href="mailto:blueneon@gmail.com" target="_blank">blueneon@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;"><div dir="ltr"><div><div><div>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.<br><br></div>That being said, this is what I've used.<br><br><br></div>I just tossed a 2N2222 and 2N3904 in there as the PNP and NPN transistors. Never fails.<br><br></div><br><a href="http://www.kc8unj.com/opc478.gif" target="_blank">http://www.kc8unj.com/opc478.gif</a><br></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Mon, Nov 2, 2015 at 8:53 AM, Steve Whitehead <span dir="ltr"><<a href="mailto:nv7vham@gmail.com" target="_blank">nv7vham@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;"><div><div class="h5"><div dir="ltr"><div class="gmail_default" style="font-family: tahoma,sans-serif;"><div class="gmail_default" style="font-family: tahoma,sans-serif;">Turns out it looks like most of the CP2102 USB adapters are 3.3V output. Specifications for<br></div><div class="gmail_default" style="font-family: tahoma,sans-serif;">TTL logic is 5V. I have ordered a CP2102 that has both so we'll try that and see what<br></div><div class="gmail_default" style="font-family: tahoma,sans-serif;">happens.<br><br></div><div class="gmail_default" style="font-family: tahoma,sans-serif;">In the dim times (when we used a kerosene lamp to illuminate our computer screens) a common<br></div><div class="gmail_default" style="font-family: tahoma,sans-serif;">practice was to use a Max232 to convert RS232 levels to TTL for programming radios when you did<br></div><div class="gmail_default" style="font-family: tahoma,sans-serif;">not want to purchase a $40 cable from RT systems. It was often hit and miss if the radio would work<br></div><div class="gmail_default" style="font-family: tahoma,sans-serif;">because the levels were sometimes not quite right.....<br><br></div>Should have the different CP2102 this week and report back.<br><br>>Thanks for the response Jim. I wish it as easy as finding a short.<br>
> I have three of the converted 6-in-1 cables and the behavior is the same.<br>
>I will keep playing with it. I did not order the cheapest available <span>CP2102</span><br>
>available from China and notice there are several different styles.<br>
>Perhaps this one is somehow different in levels or buffering from the<br>
>others. I have read online others have had success programming the<br>
<span>>FT</span>-<span>60</span> with the <span>CP2102</span> so something is different. One thing of note is<br>
>this is one of the CP2102s that John said has the TXD and RXD switched.<br>
<br>
>On Fri, Oct 30, 2015 at 8:25 AM, Steve Whitehead <<a href="mailto:nv7vham@gmail.com" target="_blank">nv7vham@gmail.com</a>> wrote:<br>
><br>
> I have been using one of the 6-in-1 programming cables with the<br>
counterfeit<br>
> Prolific chip in it. After reading John Miklor's article about using the<br>
> <span>CP2102</span><br>
> in place of the Prolific counterfeit I replace the chip with the <span>CP2102</span>.<br>
><br>
> The cable works perfectly with the UV-5R radios but no longer works with<br>
the<br>
> Yaesu <span>FT</span>-<span>60</span>. It is the same with my MacBook Pro or if I use <span>FT</span>-<span>60</span><br>
> commander.<br>
> I thought before I start spending several hours chasing this down I would<br>
> ask<br>
> if anyone else has run into this.<br>
><br>
> Thanks,</div><span><font color="#888888"><br clear="all"><br>-- <br><div><div dir="ltr"><div>Please note new e-mail address<br><br></div><a href="mailto:nv7vham@gmail.com" target="_blank">nv7vham@gmail.com</a><br></div></div>
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</blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>--</div><div>Tom Morris, KG4CYX</div><div>Exhibit Technician and Plastic Orange Tree Arborist, Miami Children's Museum</div><div><span title="Call with Google Voice">786-228-7087</span></div><div>151.820 Megacycles</div></div></div></div></div>
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