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Offline Homefire
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« Reply #20 on: August 24, 2014, 06:22:02 pm »
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   Sure make it easier.    Cool

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Offline xavierTopic starter
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« Reply #21 on: August 24, 2014, 06:41:00 pm »
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Yep I intend to mount a magnifying glass and LED light on it.

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« Reply #22 on: August 24, 2014, 07:38:04 pm »
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Quote:Posted by xavier
I found some ferric chloride, I used the blue transfer but I think that the toner is the problem (Cannon printer)   


I just do the art work on super bright white paper (110) 20# bond), take it OFFICE_MAX or STAPLES, and have them use commercial printer to print on clear transfer sheets. Real cheap, less than a dollar a sheet. Perfect results.
Positive pc boards, and ferric chloride give good results. Watch exposure times, use a good UV blacklight. Watch developer times and etch times. All are critical for good results. Practice doesn't hurt either.
Carl

Posted on: August 24, 2014, 06:34:12 pm
Quote:Posted by xavier
Talking about drill presses I'm going to be making my own for the Dremel that I have, all that I'm still looking for is the spring.


I have seen some inexpensive ones at the hardware store once. Also seen some that were made for a 3/8" drill that could be modified to mount a Dremel.
Carl

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A bad day at gold prospecting or metal detecting is better than a good day at work.

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« Reply #23 on: August 24, 2014, 07:50:53 pm »
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  I ask my dentist to save old diamond drills. They hold up good on the g10 .

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« Reply #24 on: August 24, 2014, 08:17:34 pm »
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Thanks for the tip Mudflap. Hope he doesn't charge you too much.

Carl

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A bad day at gold prospecting or metal detecting is better than a good day at work.

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Offline xavierTopic starter
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« Reply #25 on: August 25, 2014, 03:08:52 am »
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Quote:Posted by golddustcarl
I just do the art work on super bright white paper (110) 20# bond), take it OFFICE_MAX or STAPLES, and have them use commercial printer to print on clear transfer sheets. Real cheap, less than a dollar a sheet. Perfect results.
Positive pc boards, and ferric chloride give good results. Watch exposure times, use a good UV blacklight. Watch developer times and etch times. All are critical for good results. Practice doesn't hurt either.

I have a UV box that I made with UV LED's but it's only good for small PCB so I'll need to make a bigger one at some stage.

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« Reply #26 on: August 25, 2014, 07:15:54 am »
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  Low-pressure mercury-vapor lamps would do the job.

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« Reply #27 on: August 25, 2014, 12:20:02 pm »
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Quote:Posted by xavier
I have a UV box that I made with UV LED's but it's only good for small PCB so I'll need to make a bigger one at some stage.


I bought a used "under the cabinet type" single tube fluorescent fixture, removed the lamp tube, and inserted a UV black lamp tube. Works great. I put a small  timer on the cord to set the exposure time.
Carl

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A bad day at gold prospecting or metal detecting is better than a good day at work.

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« Reply #28 on: August 26, 2014, 06:28:31 am »
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hello

take a old face solarium and an old scanner enclosure
and this (made this for making pcb coil around 20*30cm)

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you can do pcbs under 1min with the power output

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my machines at work http://mueller-meteoriten.de

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I CAN MAKE PCBs FOR YOUR DIY PROJECT  offer only within EU
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« Reply #29 on: August 26, 2014, 01:51:27 pm »
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Quote:Posted by golddustcarl
I put a small  timer on the cord to set the exposure time.
Carl

I decided to make my own countdown timer using a PIC 18f2550 that I've had lying around for the past 5 years but I've hit a bunch of unforeseen problems.

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