# Public Lab Research note

This is an upgrade for thermal-flashlight. Try building it and report back how it goes.

# Surface mount mini thermal flashlight

by nadya | 04 Jun 23:40

I am sorry I have not documented this fully yet but Jeff says I have to do work in progress in public and not wait until the end so here's the schematic of the thermal flashlight board I made and pngs for milling it if you are into that sort of thing ok more soon or probably not that soon but at some point I hope.

thermal.brd 10.6 KB 2012-06-04 23:45:51 +0000
thermal.sch 16.7 KB 2012-06-04 23:46:02 +0000
thermal-holes.png 4.01 KB 2012-06-04 23:46:14 +0000
thermal-traces.png 7.86 KB 2012-06-04 23:46:24 +0000
thermal-outline.png 4.7 KB 2012-06-04 23:46:50 +0000
nadya.lbr 6.23 KB 2012-06-04 23:50:04 +0000

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I opened the files in Eagle and exported a few things which may be useful:

Partlist

Exported from thermal.sch at 6/4/12 8:18 PM

EAGLE Version 5.12.0 Copyright (c) 1988-2011 CadSoft

Part Value Device Package Library Sheet

C1 .1uF UNPOLARIZED_CAPACITOR1206 1206 ng 1 C2 .1uF UNPOLARIZED_CAPACITOR1206 1206 ng 1 IC1 ATTINY44-SSU ATTINY44-SSU SOIC14 fab 1 IC2 REGULATORSOT23 SOT23 fab 1 PAD1 SIGNALDIP SIGNALDIP PAD.2 ng 1 PAD2 SIGNALDIP SIGNALDIP PAD.2 ng 1 PROGRAMMING AVRISPSMD AVRISPSMD 2X03SMD fab 1 R1 10K RESISTOR1206 1206 ng 1 R2 1k RESISTOR1206 1206 ng 1 R3 1k RESISTOR1206 1206 ng 1 R4 499 RESISTOR1206 1206 ng 1 R5 4.99k RESISTOR1206 1206 ng 1 R6 4.99k RESISTOR1206 1206 ng 1 U$1 MLX90614 MLX90614 TO-39 nadya 1 U$2 RGB_LED RGB_LED RGB_LED nadya 1

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Thanks Nadya! exciting stuff--can it be made in a Fab Lab? We could give a shot in providence?

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you certainly can! their modela is underused anyhow. any of the fab gurus can help mill the board.

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awesome i just sent an email to the Plots providence group to see if anyone is interested in trying their hand at it. Would you be interested in advising if someone wants to give it a try? Could you describe a bit about how it would work?

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well I wrote a tutorial about milling boards once, most of it is still up here: http://fab.cba.mit.edu/content/processes/PCB/modela2.html however I haven't actually fully tested this board yet, so maybe there will still be revisions.

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thanks for working on this Nadya. I added a sketch on packaging and calibration that would be great to integrate with this design here: http://publiclaboratory.org/notes/mathew/6-13-2012/thermal-flashlight-power-ring

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