<html><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:10pt"><div><span>Thanks Darcy;</span></div><div><br><span></span></div><div><span>Yes, messy and fraught with the possibility of screwups, but I wanted us to do the "full DIY" process at least once.</span></div><div><span><br></span></div><div><span>Who would you suggest for the mail-order route, though? I'm curious about the cost of that option.</span></div><div><span><br></span></div><div><span>cheers,</span></div><div><span>Eric</span></div><div><br></div> <div style="font-family: verdana, helvetica, sans-serif; font-size: 10pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Darcy Whyte <darcy@siteware.com><br> <b><span style="font-weight: bold;">To:</span></b> eric.schmidt@rogers.com <br> <b><span
style="font-weight: bold;">Sent:</span></b> Wednesday, January 11, 2012 12:08:17 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [Lab] Questions: 1) DIY PCB etching and 2) O-scope in lab?<br> </font> <br><div id="yiv440747691"><div>I noticed an scope in the lab<br>
Are you bringing the project to the next modlab?</div>
<div> etching sounds messy<br>
Perhaps mail order can solve that one?</div>
<div>Or perhaps a DNC machine? Not the best method but it might be easier </div>
<div class="yiv440747691gmail_quote">On Jan 11, 2012 12:01 PM, <<a rel="nofollow" ymailto="mailto:eric.schmidt@rogers.com" target="_blank" href="mailto:eric.schmidt@rogers.com">eric.schmidt@rogers.com</a>> wrote:<br><blockquote class="yiv440747691gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div><div style="font-size:10pt;font-family:verdana, helvetica, sans-serif;"><div>So, I've bitten the bullet after lots of lurking on the list, and have initiated our first "dad and kids" electronics project (ok, it'll be vastly "dad with kids looking on")<br>
</div><div>We're going to make this metal detector: <a rel="nofollow" target="_blank" href="http://makeprojects.com/Project/Treasure-Finder/1113/1">http://makeprojects.com/Project/Treasure-Finder/1113/1</a></div><div><br></div><div>
I'm just wondering how many of you have done PCB etching using the toner-transfer method.</div><div>After going through a bunch of youtube videos on the etching process, some of them mention the stinkyness/toxicity of the fumes from the acid bath. I bought FeCl3 etchant from Active, but now I'm thinking that maybe HCL+H202 would be better, as described here:</div>
<div><a rel="nofollow">http://www.instructables.com/id/Stop-using-Ferric-Chloride-etchant!--A-better-etc/</a><br></div><div><br></div><div>Regardless of etchant, though, in mid-winter, doing it in the garage is probably out of the question due to the cold (or is it?) but I assume I have to ventilate the heck out of whatever space we use.</div>
<div><br></div><div>any guidance on the etching process?</div><div><br></div><div>Next question: for this project, you need to tune the reference coil using either an oscilloscope or a frequency-counting multimeter. Does the Lab have either of these? Cuz I don't...</div>
<div><br></div><div>thanks in advance for any wisdom.<br></div><div><br></div><div>cheers,</div><div>Eric<br></div></div></div><br>_______________________________________________<br>
Lab mailing list<br>
<a rel="nofollow" ymailto="mailto:Lab@artengine.ca" target="_blank" href="mailto:Lab@artengine.ca">Lab@artengine.ca</a><br>
<a rel="nofollow" target="_blank" href="http://artengine.ca/mailman/listinfo/lab">http://artengine.ca/mailman/listinfo/lab</a><br>
<br></blockquote></div>
</div><br><br> </div> </div> </div></body></html>