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        <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>
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        <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>2014-11-13T18:50:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>TODO</title>
        <link>https://www.photonicsguy.ca/todo?rev=1415904614&amp;do=diff</link>
        <description>&lt;http://www.otherpower.com/otherpower_experiments.html&gt;
&lt;http://link.aip.org/link/?JAPIAU/48/3895/1&gt;

&lt;http://www.dacomwest.de/e_index.htm&gt;

TODO

	*  E-mail Jim Bixby
	*  Locate Rich Heineck



&lt;http://home.carolina.rr.com/gcodemcode/ttftodxf.htm&gt;

Plugins

Notes

Other

	*  &lt;http://www.matwei.de/&gt;</description>
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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>Fluke 189/187/89-IV/87-IV Remote Interface Specification</title>
        <link>https://www.photonicsguy.ca/reference/flukemeter?rev=1415904614&amp;do=diff</link>
        <description>Fluke 189/187/89-IV/87-IV Remote Interface Specification

Archive of http://www.cfa.harvard.edu/~thunter/manuals/RemoteSpec89_18X.htm

Retrieved October 2009 from Internet Archive, dated September 13th, 2006.

Technical Note

Fluke is providing this information to those few customers who would like this information. We give this information with the understanding that Fluke will not provide any additional support on this information. This means that our Product Support Service will not be able t…</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/htaguide?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 quick guide to the Ontario HTA for Bicyclists and Drivers</title>
        <link>https://www.photonicsguy.ca/htaguide?rev=1415904614&amp;do=diff</link>
        <description>My quick guide to the Ontario HTA for Bicyclists and Drivers

Ontario Highway Traffic Act

“highway” includes a common and public highway, street, avenue, parkway, driveway, square, place, bridge, viaduct or trestle, any part of which is intended for or used by the general public for the passage of vehicles and includes the area between the lateral property lines thereof;</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/sdgpslogger?rev=1415904614&amp;do=diff">
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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>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>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/rideau?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>Rideau Canal</title>
        <link>https://www.photonicsguy.ca/rideau?rev=1415904614&amp;do=diff</link>
        <description>Rideau Canal

Kingston to Frontenac Provincial park.

I thought downstream paddling would be preferred, but the information I found says we should paddle from Kingston up due to the prevailing winds.
Guide

I think Frontenac would be best, at the very least, they have the most detailed information on their website and they have Kevlar canoes. We pickup the canoes in Frontenac and drive them down to Kingston. Similar to Saugeen, we drive a car back to Frontenac, or leave a car there if we can get…</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>
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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>Tire Pressure Sensor Code</title>
        <link>https://www.photonicsguy.ca/projects/electronics/tirepressuresensor/code?rev=1415904614&amp;do=diff</link>
        <description>Tire Pressure Sensor Code

Return to Tire Pressure Sensor Project.


;###############################################################################
;# TITLE   &quot;Pressure Sense&quot;	
;# 				
;#      Program         : Pressure sensor using an MPX5700DP sensor and LCD display
;#      Version         :1.0	
;#      Revision Date   :   	
;#      Author          : Jeff Brown
;#									
;#	
;#	
;###############################################################################
;    	radix	hex
		 #define	RA0_…</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/arduino/lcd?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>LCD Display</title>
        <link>https://www.photonicsguy.ca/arduino/lcd?rev=1415904614&amp;do=diff</link>
        <description>LCD Display

MJKDZ I2C board from eBay.

Notes:

	*  eBay search for board
	*    * I2C address is actually 0x20, not 0x27
	*  I&#039;m using the New LiquidCrystal library
	*  Need pull-up resistors on SDA and SCL lines (A4 &amp; A5 pins)

Test Code

#include &lt;Wire.h&gt; 
#include &lt;LiquidCrystal_I2C.h&gt;

#define lcdAddr 0x20 // set the address of the I2C device the LCD is connected to
// create an lcd instance with correct constructor for how the lcd is wired to the I2C chip
LiquidCrystal_I2C lcd(lcdAddr, 4, …</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/chip?rev=1481489238&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2016-12-11T20:47:18+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>C.H.I.P Computer</title>
        <link>https://www.photonicsguy.ca/projects/chip?rev=1481489238&amp;do=diff</link>
        <description>C.H.I.P Computer

Headless Setup

	*  Connect CHIP to your Linux computer via USB
	*  Run minicom -D /dev/ttyACM0 to connect to CHIP via a serial console
	*  Login to chip, username: root, password: chip
	*  Run nmtui, a console based wireless configuration tool</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/electronics/voip/dvg-1120?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>DVG-1120</title>
        <link>https://www.photonicsguy.ca/electronics/voip/dvg-1120?rev=1415904614&amp;do=diff</link>
        <description>DVG-1120

9600 Baud, 8N1



Serial Port Pinout


RJ9ColourFunctionPin1BlkGround2RedRX (Data to Computer)3Grn4Yel?ColourFunction-BlkRedTX (from computer)GrnRX (To Computer)YelGround
Commands
CommandFunctionspy 16 *Show Debug info for SIPnwdbg bridge off</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/eagle?rev=1625578394&amp;do=diff">
        <dc:format>text/html</dc:format>
        <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>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/kayaking?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>Kayaking</title>
        <link>https://www.photonicsguy.ca/kayaking?rev=1415904614&amp;do=diff</link>
        <description>Kayaking

Barrie Canoe and Kayak Club

----------

	*  &lt;http://www.paddling.net/&gt;

	*  Notice to Mariners</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/notes?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>Notes</title>
        <link>https://www.photonicsguy.ca/notes?rev=1415904614&amp;do=diff</link>
        <description>Notes

APC Environmental card

AP9512TH
IC1LM35Temperature SensorIC2LM358NDual OpampIC3LM78LVreg, 5VBP1[TDK CHS-UGR]Humidity Sensor
AP9612
IC1ADC08348-Bit Serial I/O A/D Converter with Multiplexer OptionIC2MM74HC14NHex inverting Schmitt triggerIC5P87C521 Controller
PCF8574 - 8-Bit I/O Expander for I2C-Bus</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>
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    <item rdf:about="https://www.photonicsguy.ca/archive/nslu2?rev=1510511638&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-11-12T18:33:58+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Embedded Linux computer with 1-wire net</title>
        <link>https://www.photonicsguy.ca/archive/nslu2?rev=1510511638&amp;do=diff</link>
        <description>Embedded Linux computer with 1-wire net

Linksys NSLU2 running Debian Linux off of flash memory, polls a 1-wire net every 5 minutes and records the data (temperature and humidity) to a remote SQL server.

1-Wire

PIC18 Microcontroller

PIC18F4523 reading an ADT7410 temperature sensor via I2C.</description>
    </item>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-11-12T17:12:03+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Module box</title>
        <link>https://www.photonicsguy.ca/inv/modules?rev=1510506723&amp;do=diff</link>
        <description>Module box
QuantityComponentDatasheetNotes Row 1 Col 1     Row 1 Col 2      Row 1 Col 3         Row 2 Col 1     some colspan (note the double pipe)  Row 3 Col 1     Row 3 Col 2      Row 3 Col 3</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>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>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/glowcandles?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>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>
    <item rdf:about="https://www.photonicsguy.ca/vintage/nextcube?rev=1457309293&amp;do=diff">
        <dc:format>text/html</dc:format>
        <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>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/wiki/dokuwiki?rev=1707739749&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2024-02-12T12:09:09+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>DokuWiki</title>
        <link>https://www.photonicsguy.ca/wiki/dokuwiki?rev=1707739749&amp;do=diff</link>
        <description>DokuWiki

wiki:dokuwiki DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn&#039;t require a database. It is loved by users for its clean and readable Formatting Syntax. The ease of maintenance, backup and integration makes it an administrator&#039;s favorite. Built in</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/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/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/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>
    <item rdf:about="https://www.photonicsguy.ca/3d?rev=1484014450&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-01-10T02:14:10+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>3D</title>
        <link>https://www.photonicsguy.ca/3d?rev=1484014450&amp;do=diff</link>
        <description>3D

Nothing much here yet, just go to the Tiko page where everything is right now.
~~PAGEINDEX=:3d:~~</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/electronics?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>Electronics Pages</title>
        <link>https://www.photonicsguy.ca/electronics?rev=1415904614&amp;do=diff</link>
        <description>Electronics Pages

This section is more for quick notes.

See Electronics Projects for more pages

~~PAGEINDEX=:electronics~~
(Automatically generated list)</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/pi?rev=1712780402&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2024-04-10T20:20:02+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Raspberry Pi Notes</title>
        <link>https://www.photonicsguy.ca/pi?rev=1712780402&amp;do=diff</link>
        <description>Raspberry Pi Notes

Zero W

GPIO

Show GPIO in use
cat /sys/kernel/debug/gpio

echo 461 &gt; /sys/class/gpio/export

udevadm info --path=/sys/class/gpio/gpio461 --attribute-walk</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects?rev=1483997895&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-01-09T21:38:15+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Projects</title>
        <link>https://www.photonicsguy.ca/projects?rev=1483997895&amp;do=diff</link>
        <description>Projects

THIS PAGE IS NOT ORGANIZED

Electronics

	*  7-segment display

Pressure Sensing

	*   Tire pressure sensor
	*  Sump pump level

Temperature

	*  Thermocouple

GPS

	*  Track Logging

Other

----------

~~PAGEINDEX=:projects:electronics~~

----------

Physics experiments I&#039;d like to try

Mercury and Aluminum</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/sidebar?rev=1457484412&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2016-03-09T00:46:52+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title></title>
        <link>https://www.photonicsguy.ca/sidebar?rev=1457484412&amp;do=diff</link>
        <description>*  Home
	*  Contact
	*  Education
	*  Projects
		*  Electronics
			*  MySensor board
			*  Sump pump Monitor
			*  Barometric Pressure sensor
			*  Tire Pressure Sensor
			*  7-segment display module
			*  CadSoft EAGLE Libraries

		*  Other
			*  Transmission Holograms
			*  Ferrofluid
			*  Gel Candles


	*  Arduino Projects
		*  MySensor board
		*  7-segment display module
		*  LCD Display

	*  Vintage equipment
		*  NeXT Computer
		*  Olivetti P602 Delay Line Memory
		*  Core Memory

	*  Gad…</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/archive/cetus?rev=1611077023&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2021-01-19T17:23:43+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Cetus Tracklog</title>
        <link>https://www.photonicsguy.ca/archive/cetus?rev=1611077023&amp;do=diff</link>
        <description>Cetus Tracklog


Cetus TrackLog (Linux) 1.35 Copyright (c) 2001-2004 Cetus
http://www.CetusGPS.dk

Usage:  TrackLog [options] trackfile... &lt;Enter&gt;

Options (* are default values):
  -fu   user defined format *            -dt  TAB delimited *
  -fx   GPs eXchange format (GPX)        -ds  semicolon delimited
  -fi   Gliding Commission format (IGC)  -dc  comma delimited
  -fr   NMEA RMC sentence format         -dl  linefeed delimited

  -pd   decimal degrees *                -sp  period as decimal …</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics?rev=1415913830&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2014-11-13T21:23:50+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>My Electronic Projects</title>
        <link>https://www.photonicsguy.ca/projects/electronics?rev=1415913830&amp;do=diff</link>
        <description>My Electronic Projects

~~PAGEINDEX=:projects:electronics~~
(Automatically generated list)

Suppliers

Online

	*  Digikey - Supplier of choice
	*  Sparkfun - Great hobby site, Interesting components, I&#039;ve ordered quite a few parts from them.
		*  BatchPCB.com - Great hobby site for fabricating PCB&#039;s</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/uav?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>Radio Communication</title>
        <link>https://www.photonicsguy.ca/projects/uav?rev=1415904614&amp;do=diff</link>
        <description>UAV

Radio Communication

We require two things:

	*  Certification of the Transmitter (This is first)
	*  Assignment of freq.

[Technical Requirements for the Operation of Mobile Stations in the Aeronautical Service]

RSS-Gen - General Requirements and Information for the Certification of Radiocommunication Equipment

RSS-119 - Land Mobile and Fixed Radio Transmitters and Receivers Operating in the Frequency Range 27.41- 960 MHz

Requirements for the Certification of
Radio Apparatus to Industry…</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/vintage/pyxis?rev=1502944428&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-08-17T04:33:48+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Sony Pyxis IPS-360</title>
        <link>https://www.photonicsguy.ca/vintage/pyxis?rev=1502944428&amp;do=diff</link>
        <description>Sony Pyxis IPS-360

Next GPS rollover will be on April 07, 2019

Notes

It truly does take 30 minutes to achieve satellite lock from a cold-start.

Reference

	*  &lt;http://retro-gps.info/Sony/Sony-Pyxis-IPS-360/index.html&gt;
	*  &lt;https://www.navcen.uscg.gov/?pageName=gpsweek&gt;</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/wiki/welcome?rev=1707739749&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2024-02-12T12:09:09+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Welcome to your new DokuWiki</title>
        <link>https://www.photonicsguy.ca/wiki/welcome?rev=1707739749&amp;do=diff</link>
        <description>Welcome to your new DokuWiki

Congratulations, your wiki is now up and running. Here are a few more tips to get you started.

Enjoy your work with DokuWiki,

-- the developers

Create your first pages

Your wiki needs to have a start page. As long as it doesn&#039;t exist, this link will be red:</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/optrexdisplay?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>Optrex IM50240 Display</title>
        <link>https://www.photonicsguy.ca/projects/electronics/optrexdisplay?rev=1415904614&amp;do=diff</link>
        <description>Optrex IM50240 Display

Hitachi HD44100H Chipset


PinFunctionNotes1DL12CL13CL24M500KHz @ 50% duty cycle5n/c6VCC7IC GND &amp; VEE8“Clear” Button9“Secure” Button10Ground</description>
    </item>
    <item rdf:about="https://www.photonicsguy.ca/projects/electronics/tirepressuresensor?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>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>
</rdf:RDF>
