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        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>405nm Laser Diode</title>
        <link>https://www.photonicsguy.ca/projects/405nmlaser?rev=1415904614&amp;do=diff</link>
        <description>405nm Laser Diode

Blue, Violet, almost Ultraviolet really. I made a driver board and just need to finish the heatsink and mount it in a case. I bought a translucent blue project box from Hammond that I&#039;ll be mounting the laser in.

	*  405nm (Blue) Laser</description>
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        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Pictures</title>
        <link>https://www.photonicsguy.ca/pictures?rev=1415904614&amp;do=diff</link>
        <description>Pictures

Kayaking</description>
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        <dc:date>2021-07-06T14:15:59+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Lenovo T530 Laptop WiFi upgrade</title>
        <link>https://www.photonicsguy.ca/projects/t530?rev=1625580959&amp;do=diff</link>
        <description>Lenovo T530 Laptop WiFi upgrade

I successfully installed an Intel Dual Band Wireless-AC 7260 wireless card by modifying the whitelist in the BIOS. I&#039;ve compiled this step-by-step guide with references as I had trouble finding a similar resource online.

Living in Toronto, the 2.4GHz WiFi band is over saturated and my best wireless throughput was roughly 16Mbps, now with 5GHz Wireless AC, I get an average of 700Mbps. I decided not to upgrade to the latest BIOS and to attempt the whitelist modifi…</description>
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        <dc:date>2016-03-07T00:08:13+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>NeXT Computer</title>
        <link>https://www.photonicsguy.ca/vintage/nextcube?rev=1457309293&amp;do=diff</link>
        <description>NeXT Computer

Model# N1000

Serial# AAK0000565



	*  [Memory error message]
	*  [Boot message]
	*  [Desktop]
	*  [Nameplate]
	*  Not shown - NeXT laser printer
	*  Not shown - AUI to 10baseT Ethernet adapter</description>
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    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/sdgpslogger?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>SD GPS Track Logger</title>
        <link>https://www.photonicsguy.ca/projects/electronics/sdgpslogger?rev=1415904614&amp;do=diff</link>
        <description>SD GPS Track Logger

Why? This is why:Bicycling Trips

ICSP Connector

Need a PIC18 chip with more memory, I&#039;m using the PIC18F4685 with 96Kbytes of program memory.

Microchip Mass Storage Class Firmware

[Still not working]

Still not working. Might be software or hardware, I&#039;ll need to check it on a digital oscilloscope. 



Correct clock rate (less than 400KHz).</description>
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        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Tire Pressure Sensor</title>
        <link>https://www.photonicsguy.ca/projects/electronics/tirepressuresensor?rev=1415904614&amp;do=diff</link>
        <description>Tire Pressure Sensor

The pressure is determined by the formula, &lt;m&gt;P=0.145*





Parts
  Part#    Description    Source    Cost  MPX5700DP-ND0-101.5PSI Pressure sensorDigikey$16 2 Ft 1/4ID hoseHome Hardware$1.50 2 crimp style hose clampsHome Hardware$1.60</description>
    </item>
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        <dc:date>2021-07-06T13:33:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>CadSoft EAGLE Libraries</title>
        <link>https://www.photonicsguy.ca/eagle?rev=1625578394&amp;do=diff</link>
        <description>CadSoft EAGLE Libraries

&lt;https://github.com/Photonicsguy/Eagle&gt;

eBay parts

Footprints for components I&#039;ve bought from eBay

	*  eBay search for Arduino pro mini
	*  eBay search for nrf24l01+ module

Arduini mini pro



NRF24L01+ module

I&#039;ve included a keepout block to prevent ground planes or traces from being routed under the antenna. I&#039;m using this module for</description>
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        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Gel Candles</title>
        <link>https://www.photonicsguy.ca/projects/glowcandles?rev=1415904614&amp;do=diff</link>
        <description>Gel Candles

Glow in the Dark Gel Candles

This candle was a prototype for the similar looking candles I made for some of my friends as Christmas presents.
I plan to make more someday soon, if you have any empty Absolut bottles you would like to give me, please notify me.
A glass bottle with printed text (No labels, nothing that can burn) is needed. I also have some</description>
    </item>
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        <dc:date>2024-02-12T12:09:09+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Formatting Syntax</title>
        <link>https://www.photonicsguy.ca/wiki/syntax?rev=1707739749&amp;do=diff</link>
        <description>Formatting Syntax

DokuWiki supports some simple markup language, which tries to make the datafiles to be as readable as possible. This page contains all possible syntax you may use when editing the pages. Simply have a look at the source of this page by pressing</description>
    </item>
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        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T22:12:24+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Barometric Pressure sensor</title>
        <link>https://www.photonicsguy.ca/projects/electronics/dualpressuresensor?rev=1415916744&amp;do=diff</link>
        <description>Barometric Pressure sensor

Dual pressure sensor board






[PIC18F1320 Datasheet]

RX on pin 3
TX on pin 2


Power ON
98.97 kPa,      742.3 Torr      ; 0814,0521
98.97 kPa,      742.3 Torr      ; 0814,0521
98.97 kPa,      742.3 Torr      ; 0814,0521


Reference

Barometer - MPXAZ4115A</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/education/coop?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Niagara College Coop</title>
        <link>https://www.photonicsguy.ca/education/coop?rev=1415904614&amp;do=diff</link>
        <description>Niagara College Coop

Eiffel Tower



Tyrannosaurus Tex

[Tyrannosaurus Tex]

TEA CO2 Laser

(coming soon)</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/gadgets/calcite?rev=1457465573&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2016-03-08T19:32:53+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Optical Calcite</title>
        <link>https://www.photonicsguy.ca/gadgets/calcite?rev=1457465573&amp;do=diff</link>
        <description>Optical Calcite



Calcite has two different indices of refractive depending on the polarization of the incident light.

 - Print to page for use in a demonstration.</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/vintage/delaylinememory?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Olivetti P602 Delay Line Memory</title>
        <link>https://www.photonicsguy.ca/vintage/delaylinememory?rev=1415904614&amp;do=diff</link>
        <description>Olivetti P602 Delay Line Memory

[Label on outside cover]
This is from an Olivetti P602 programmable desktop calculator,

Here is an image of the card in a P602 Chassis (Top Slot) 

And an Advertisement

[Inside]</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/7segdisplay?rev=1415918236&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T22:37:16+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>7-segment display module</title>
        <link>https://www.photonicsguy.ca/projects/electronics/7segdisplay?rev=1415918236&amp;do=diff</link>
        <description>7-segment display module

[Working Display]
Arduino library available on Github
This was one of my first doublesided and surfacemount boards. I made this board using Eagle for layout and then I used BatchPCB to manufacture the board. The board operates correctly, however, if I were to revise it, I would use a larger SMT resistor than the 0402 size. The board will be controlled via I2C from a PIC microcontroller, initially for the pressure sensor and later for other projects.</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/stepperdriver?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Stepper motor driver</title>
        <link>https://www.photonicsguy.ca/projects/electronics/stepperdriver?rev=1415904614&amp;do=diff</link>
        <description>Stepper motor driver


DB9Connection1L298-Pin14-Output 42L298-Pin13-Output 33L298-Pin3-Output 24L298-Pin2-Output 15Ground?6Logic?7Logic?8Logic?9Logic?
Stepper 2




&lt;http://www.machsupport.com/&gt;</description>
    </item>
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        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Touch Sensor</title>
        <link>https://www.photonicsguy.ca/projects/electronics/touchsensor?rev=1415904614&amp;do=diff</link>
        <description>Touch Sensor

Current Status: Prototype</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/bicycle?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>My Bicycle</title>
        <link>https://www.photonicsguy.ca/bicycle?rev=1415904614&amp;do=diff</link>
        <description>My Bicycle

I bought the bike from George Vettor Cycle &amp; Sport in Guelph.



Plans

	*  Design bracket for GPS logger and battery
	*  Design LED lighting system
		*  One idea is for a POV style digital readout for velocity, but I don&#039;t bike at night so much anymore...


Lights</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/dvr?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MythTV DVR System Upgrade</title>
        <link>https://www.photonicsguy.ca/dvr?rev=1415904614&amp;do=diff</link>
        <description>MythTV DVR System Upgrade

Hardware

	*  Intel Celeron Dual Core E1200 CPU Allendale
	*  Intel Desktop Board DG35EC
		*  Product Guide
		*  Integrated graphics with DVI out  - Not used
		*  Four Sata connectors
		*  Gigabit Ethernet




	*  2x1024MB PC5400 RAM
	*  Masscool Socket 775 CPU Cooling Fan
	*  Cooler Master computer case
	*  Nvidia 7300GT PCIexpress video card</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/education?rev=1415908865&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T20:01:05+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Education</title>
        <link>https://www.photonicsguy.ca/education?rev=1415908865&amp;do=diff</link>
        <description>Education

I have a Bachelor&#039;s of Applied Technology - Photonics degree from Niagara College.

I have also previously graduated from the Computer engineering technician program also at Niagara College. 



Bachelor of applied Technology Photonics

In addition to lasers, I&#039;ve had the opportunity to be exposed to all kinds of neat and interesting stuff</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/gps?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>GPS</title>
        <link>https://www.photonicsguy.ca/gps?rev=1415904614&amp;do=diff</link>
        <description>GPS

Kayaking

	*  Oshawa Kayaking
	*  Kayaking on the Rideau Canal

Bicycling

	*  Niagara Falls to Niagara on the Lake
	*  Welland to Port Colborne

Automatically generated list

~~PAGEINDEX=:gps~~
(Automatically generated list)

Bicycling Links

	*  Greater Niagara Circle Route

GIS

	*  LIO Internet Map Browser System
	*  Niagara Maps

gps logging track google maps route</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/start?rev=1700837753&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2023-11-24T14:55:53+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Welcome</title>
        <link>https://www.photonicsguy.ca/start?rev=1700837753&amp;do=diff</link>
        <description>Welcome

This site will always be a work in progress, Some pages describe projects I&#039;ve done, working on, or want to do. Other pages are more for my own reference. Recently, I&#039;ve repaired a broken Fluke 45 DMM, a Topward power supply, made some wireless sensors, and most recently upgraded the</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/taurus?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Vehicle</title>
        <link>https://www.photonicsguy.ca/taurus?rev=1415904614&amp;do=diff</link>
        <description>Vehicle

If I only had a single wrench, I hope it&#039;s 13mm.
10mm for thermostat bracket bolts.

Remote Starter

Does not engage A/C, rear defroster.
Horn is not connected either (for programming).

Rear Defroster relay

[Relay]
ContactNote85Coil - Switched by ECM, ground to activate</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/3d/tiko?rev=1490046311&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-03-20T21:45:11+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Tiko</title>
        <link>https://www.photonicsguy.ca/3d/tiko?rev=1490046311&amp;do=diff</link>
        <description>Tiko

I was fortunate enough to receive my Tiko for Christmas from batch #1. Starting on Christmas day I printed a bunch of owls, a benchy, and some other ornaments as well as the Tiko demo print.

Video of my first print

Things I&#039;ve designed

	*  Thingiverse
		*  Tiko build volume
		*  Top hat (for a failed owl print)</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/astronomy/celestron?rev=1505512550&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-09-15T21:55:50+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Celestron C5 Schmidt–Cassegrain Telescope</title>
        <link>https://www.photonicsguy.ca/astronomy/celestron?rev=1505512550&amp;do=diff</link>
        <description>Celestron C5 Schmidt–Cassegrain Telescope

Documentation

	*  [C5 manual reprint from 1981]
	*  [C5 manual (second version)]
	*  [1978 Catalog]
	*  [Spock advertising Celestron]</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/ebay/voltammeter?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Volt/Ammeter from eBay</title>
        <link>https://www.photonicsguy.ca/ebay/voltammeter?rev=1415904614&amp;do=diff</link>
        <description>Volt/Ammeter from eBay


Search string: DC 4.5-30V 0-10A LED Digital Volt meter Ammeter

Specifications:

	*  Supply voltage: 4.5 30V (wide range) 
	*  Test voltage: 0 ~ 100V
	*  The minimum resolution below 10V: 0.01V
	*  The minimum resolution above 10V: 0.1V</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/electronics/battery?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Tenergy Li-ion 18650 Pack</title>
        <link>https://www.photonicsguy.ca/electronics/battery?rev=1415904614&amp;do=diff</link>
        <description>Tenergy Li-ion 18650 Pack



Manufacturer site
Capacity6600mAhVoltage3.7VDimensions69mm Length x 54mm Width x 18mm ThciknessWeight9.0 ozMax. charge current1AMax. discharge current3.5ACut off voltage/Over-Charge Protection: 4.35VOver-Discharge Protection:2.4V
	*  High quality 3.7 V Li-Ion rechargeable battery pack</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/gadgets/laserpens?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Laser Pens</title>
        <link>https://www.photonicsguy.ca/gadgets/laserpens?rev=1415904614&amp;do=diff</link>
        <description>Laser Pens

Red

Green

Violet

Blue Violet (405nmm) laser. I wish it was blue.



Check out my project page here.</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/gadgets/ulexite?rev=1457465479&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2016-03-08T19:31:19+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Ulexite (Television Stone)</title>
        <link>https://www.photonicsguy.ca/gadgets/ulexite?rev=1457465479&amp;do=diff</link>
        <description>Ulexite (Television Stone)

Wikipedia Article on Ulexite
[Ulexite stone]</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/notes/lorex?rev=1522000123&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2018-03-25T17:48:43+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Lorex IPSC</title>
        <link>https://www.photonicsguy.ca/notes/lorex?rev=1522000123&amp;do=diff</link>
        <description>Lorex IPSC

	*  Image
	*  Video</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/playground/google?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title></title>
        <link>https://www.photonicsguy.ca/playground/google?rev=1415904614&amp;do=diff</link>
        <description>&lt;HTML&gt;
&lt;script type=“text/javascript”&gt;
var gaJsHost = ;
&lt;/script&gt;
&lt;script type=“text/javascript”&gt;
var pageTracker = _gat._getTracker(“UA-4236527-4”);
pageTracker._initData();

&lt;/script&gt;&lt;/body&gt;

&lt;/HTML&gt;

&lt;HTML&gt;
&lt;A href=“&lt;http://www.google.ca/&gt;” target=“_new</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/ferrofluid?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Ferrofluid</title>
        <link>https://www.photonicsguy.ca/projects/ferrofluid?rev=1415904614&amp;do=diff</link>
        <description>Ferrofluid

Followed the directions from here.

View some pictures here,
&lt;html&gt;
&lt;table style=“width:194px;”&gt;&lt;tr&gt;&lt;td align=“center” style=“height:194px;background:url(&lt;http://picasaweb.google.com/f/img/transparent_album_background.gif&gt;) no-repeat left”&gt;&lt;a href=“&lt;http://picasaweb.google.ca/photonicsguy/Ferrofluid#&gt;”&gt;&lt;img src=“&lt;http://lh6.ggpht.com/_o8vuO8ku2Bo/R3CmoXghZGE/AAAAAAAADVI/zftZMUTQdNU/s160-c/Ferrofluid.jpg&gt;” width=“160” height=“160</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/flash?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Camera Flash Control</title>
        <link>https://www.photonicsguy.ca/projects/flash?rev=1415904614&amp;do=diff</link>
        <description>Camera Flash Control


CableShoeFunction?VoltageWireShieldGGnd 0RedF1Fire1.66Vdc3WhiteF2flash ready signal / data2 Hz signal 1-5V (0V when charging)2BlackF3TTL OK signal / clock1.06V (0V when charging)1
Measurements
Flash Duration0.1ms delay27 to 28ms</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/holograms?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Transmission Holograms</title>
        <link>https://www.photonicsguy.ca/projects/holograms?rev=1415904614&amp;do=diff</link>
        <description>Transmission Holograms

Exposure

Need &lt;m&gt;110 \mu Jcm^-2&lt;/m&gt; on holographic plate.

Measured &lt;m&gt;0.3 \mu Wcm^-2&lt;/m&gt; with power meter.

&lt;m&gt;{110 \mu Jcm^-2}/{0.3 \mu Wcm^-2}=367s=6 minutes&lt;/m&gt;
Assuming measurement error with power meter, shortening the exposure time,</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/laserspeckle?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Laser speckle display</title>
        <link>https://www.photonicsguy.ca/projects/laserspeckle?rev=1415904614&amp;do=diff</link>
        <description>Laser speckle display

Using a glass tube to suspend a skittle or piece of plastic and illuminating it with a laser to demonstrate speckle.</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/reference/fluke45?rev=1457312877&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2016-03-07T01:07:57+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Fluke 45</title>
        <link>https://www.photonicsguy.ca/reference/fluke45?rev=1457312877&amp;do=diff</link>
        <description>Fluke 45

I repaired a Fluke 45 benchtop multimeter I found in a surplus store.

Fortunately the [service manual] is extremely comprehensive and it turned out to be R5, (a 3.5Kohm, 5W, 1% resistor).

According to the service manual is not a component which affects calibration so I was able to replace it and I now have a wonderful benchtop meter.</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/50a5vpowersupply?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>50 Amp 5 Volt Power Supply</title>
        <link>https://www.photonicsguy.ca/projects/electronics/50a5vpowersupply?rev=1415904614&amp;do=diff</link>
        <description>50 Amp 5 Volt Power Supply



Need a 208.76 ohm, 1% resistor to set the 5V output. Right now I&#039;m using a 500 ohm potentiometer.
200 ohms would output 5.02V.</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/dgpsbeaconrx?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>DGPS-11 Beacon Receiver</title>
        <link>https://www.photonicsguy.ca/projects/electronics/dgpsbeaconrx?rev=1415904614&amp;do=diff</link>
        <description>DGPS-11 Beacon Receiver

Si-tex DGPS-11 Beacon Receiver module mounted in a weatherproof housing.
 Wire  Function  Red+3A fused 10.8 to 31.2VDC OrangeRS-232C In WhiteRS-232C Out Black- Negative BlueTTL Out GreenData Ground BrownShield GroundHow can I tell if my WAAS GPS is giving me a corrected fix?
  Look for a &quot;D&quot; in your Latitude/Longitude readout.</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/gps?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>GPS</title>
        <link>https://www.photonicsguy.ca/projects/electronics/gps?rev=1415904614&amp;do=diff</link>
        <description>GPS

Haicom HI-406BT

19200bps, 8N1 Serial Data
PinWireDescription Blue3Vpk-pk serial data Orange3.3V Green3.3V Red0V
Referenced to Ground



Haicom website

	*  [HI-406BT Manual]

GPS Receiver Modules

	*  Lowrance LGC-12S - [Owner&#039;s manual]
	*  Earthmate Hyperformance GPS Receiver - Rockwell binary output only</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/ioboard?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>IO Board</title>
        <link>https://www.photonicsguy.ca/projects/electronics/ioboard?rev=1415904614&amp;do=diff</link>
        <description>IO Board

16 Bit Digital input, 16 Bit Digital Output.



Outputs

16 Relays

Inputs

[HP3700]

16 socketed Optoisolators, rated for 5 to 240 Volts, AC or DC.

Pinout
Relay boardSignal NamePin#PinSignal NameGndGround B1 #A1 -I/O CH CKI/O channel check; active low=parity error</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/mech_indicator?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Mechanical Indicators</title>
        <link>https://www.photonicsguy.ca/projects/electronics/mech_indicator?rev=1415904614&amp;do=diff</link>
        <description>Mechanical Indicators



8 Segments
1234xx7x
- X&#039;s are open

18 Ohm resistance per coil</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/mysensors?rev=1457491680&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2016-03-09T02:48:00+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MySensor board</title>
        <link>https://www.photonicsguy.ca/projects/electronics/mysensors?rev=1457491680&amp;do=diff</link>
        <description>MySensor board


After reading about the MySensors project, I decided to design a small circuit board to hold the Arduino and radio module.

Status:

	*  Nov 25th: I&#039;ve assembled two working boards. Imgur photos
	*  Nov 24th: I received the boards, Yay!!
	*  Nov 7th, 2014: I&#039;m waiting on the PCB&#039;s from</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/opticalmouse?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Optical Mouse</title>
        <link>https://www.photonicsguy.ca/projects/electronics/opticalmouse?rev=1415904614&amp;do=diff</link>
        <description>Optical Mouse


With this project I intend to use an optical mouse sensor chip for detecting movement on a translation stage.
Interfacing the chip with a PIC microcontroller. The mouse shown contains the ADNS-2051 sensor. I removed the microcontroller and rewired the cord for power and the I2C bus.</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/picgps?rev=1415916371&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T22:06:11+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>PicGPS Display</title>
        <link>https://www.photonicsguy.ca/projects/electronics/picgps?rev=1415916371&amp;do=diff</link>
        <description>PicGPS Display

One of my first PCB boards</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/relayboard?rev=1415904614&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Relay board</title>
        <link>https://www.photonicsguy.ca/projects/electronics/relayboard?rev=1415904614&amp;do=diff</link>
        <description>Relay board



SPDT JW1FEN relays from an old UPS.

Matches closest to Digikey Part# 255-1114-ND

[JW Relay datasheet]

[Schematic]

[Board layout]

&lt;HTML&gt;&lt;BR CLEAR=“ALL”&gt;&lt;/HTML&gt;

OptoRelay Board


G4PB16 - G4 16-channel I/O Module Rack

	*  G4 ODC5 - G4 DC Output 5-60 VDC, 5 VDC Logic
	*  G4 OAC5 - G4 AC Output 12-140 VAC, 5 VDC Logic</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/sumppump?rev=1457484383&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2016-03-09T00:46:23+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Sump pump Monitor</title>
        <link>https://www.photonicsguy.ca/projects/electronics/sumppump?rev=1457484383&amp;do=diff</link>
        <description>Sump pump Monitor



My parents have a cistern and a sump pump which would be useful to have some sort of water level monitoring.

In the past, we would check the cistern level with a pressure gauge calibrated in inches of water. There was a rubber squeeze bulb which which would pressurize a plastic line which fed into the cistern, and the resulting level would be shown on the gauge.</description>
    </item>
</rdf:RDF>
