https://www.photonicsguy.ca/ 2026-04-06T22:34:40+00:00 https://www.photonicsguy.ca/ https://www.photonicsguy.ca/_media/wiki/dokuwiki.svg text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/tirepressuresensor/code?rev=1415904614&do=diff Tire Pressure Sensor Code Return to Tire Pressure Sensor Project. ;############################################################################### ;# TITLE "Pressure Sense" ;# ;# Program : Pressure sensor using an MPX5700DP sensor and LCD display ;# Version :1.0 ;# Revision Date : ;# Author : Jeff Brown ;# ;# ;# ;############################################################################### ; radix hex #define RA0_… text/html 2024-02-12T12:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/wiki/syntax?rev=1707739749&do=diff 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 text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/rideau?rev=1415904614&do=diff 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… text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/reference/flukemeter?rev=1415904614&do=diff 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… text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/dvr?rev=1415904614&do=diff 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 text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/405nmlaser?rev=1415904614&do=diff 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'll be mounting the laser in. * 405nm (Blue) Laser text/html 2021-07-06T14:15:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/t530?rev=1625580959&do=diff 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'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… text/html 2016-03-08T19:51:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/carouselpi?rev=1457466673&do=diff CarouselPi - A Kodak Carousel Slide Scanner I'm converting a Carousel slide projector into an automated slide scanner using a Raspberry Pi with a camera module. My main goal is the cataloguing of the slide trays and indexing with the use of barcode stickers on each carousel. I intend to have the images indexed so that I can easilt find a specific slide and scan it in with a professional scanner. text/html 2017-11-12T18:38:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/archive/eeepc?rev=1510511896&do=diff Eee PC Customizations Some Eee PC customizations via shell script * Disable suspend to ram when AC adapter is plugged in and the lid is closed. * 30 minute timeout, after which the computer is suspended anyways * If the lid is closed and the AC adapter is unplugged, then suspend to ram is run. text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/htaguide?rev=1415904614&do=diff 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; text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/sdgpslogger?rev=1415904614&do=diff SD GPS Track Logger Why? This is why:Bicycling Trips ICSP Connector Need a PIC18 chip with more memory, I'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'll need to check it on a digital oscilloscope. Correct clock rate (less than 400KHz). text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/glowcandles?rev=1415904614&do=diff 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 text/html 2017-11-12T18:33:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/archive/nslu2?rev=1510511638&do=diff 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. text/html 2017-03-20T21:45:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/3d/tiko?rev=1490046311&do=diff 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've designed * Thingiverse * Tiko build volume * Top hat (for a failed owl print) text/html 2023-12-20T15:30:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/esphome/watermeter?rev=1703086229&do=diff Water meter monitoring Hardware Using a ESP32 with QMC5883L compass module. TBD Accuracy Quite accurate, each interval (max to min to max) from the water meter appears to be 32.5ml, this was confirmed over the course of a few days and about 1.6 m³ of water (about 49 thousand intervals). text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/uav?rev=1415904614&do=diff 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… text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/electronics/voip/dvg-1120?rev=1415904614&do=diff 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 text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/cardreader?rev=1415904614&do=diff Magtek Card reader MAGTEK 21045002 MagStripe card reader. [Datasheet] Single Track, only reads Track 2 2.7 to 5.5VDC When no card is present all pins are high. When a card is present pin 5 goes low and remains that way for 140ms after the entire card has been read. text/html 2016-03-08T19:32:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gadgets/calcite?rev=1457465573&do=diff 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. text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps/rideaukayaking?rev=1415904614&do=diff Kayaking on the Rideau Canal View the geotagged pictures here on Picasa or you can download the thumbnails of the geotagged pictures to Google Earth here. Download this track to Google Earth <html> <iframe src=“<http://photonicsguy.ca/gpsmaps/rideaukayaking.htm>” width=“800” height=“800” marginwidth=“0” marginheight= text/html 2017-08-22T17:50:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/astronomy?rev=1503424236&do=diff Star pointing Concept Hardware <https://github.com/kriswiner/MPU9250> Magnetic declination * Magnetic declination calculator for Canada * Magnetic declination calculator for US (My) Magnetic declination: 10° 28.50' West (-10.475°) text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/vintage/next?rev=1415904614&do=diff NeXt Cube From <http://www.bangmoney.org/nextstep/root_password.html> Lost Root Password If you've forgotten the root password, you'll need to follow the following procedure to reset it so you can login as root. This is most helpful to people who've just purchased a used NeXT but don't know what the root password is. Reboot the system. Immdeiately after the "Testing System" message is replaced with "Loading from disk", hold down the right command key and press the tilde (~) on the numeric k… text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps/algonquin?rev=1415904614&do=diff Achray, Algonquin camping trip View my Algonquin pictures. <html> <iframe src=“<http://photonicsguy.ca/gpsmaps/algonquin.htm>” width=“800” height=“800” marginwidth=“0” marginheight=“0” scrolling=“no” frameborder=“0”> <a href="http://photonicsguy.ca/gpsmaps/algonquin.htm">Click here for the map</a> text/html 2014-11-13T21:23:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics?rev=1415913830&do=diff My Electronic Projects ~~PAGEINDEX=:projects:electronics~~ (Automatically generated list) Suppliers Online * Digikey - Supplier of choice * Sparkfun - Great hobby site, Interesting components, I've ordered quite a few parts from them. * BatchPCB.com - Great hobby site for fabricating PCB's text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/dgpsbeaconrx?rev=1415904614&do=diff 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 "D" in your Latitude/Longitude readout. text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/tirepressuresensor?rev=1415904614&do=diff Tire Pressure Sensor The pressure is determined by the formula, <m>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 text/html 2021-07-06T13:33:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/eagle?rev=1625578394&do=diff CadSoft EAGLE Libraries <https://github.com/Photonicsguy/Eagle> eBay parts Footprints for components I've bought from eBay * eBay search for Arduino pro mini * eBay search for nrf24l01+ module Arduini mini pro NRF24L01+ module I've included a keepout block to prevent ground planes or traces from being routed under the antenna. I'm using this module for text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/fc?rev=1415904614&do=diff Fantastic Contraption Levers & Weights Cart^3 Convey Swing Cart Two Carts Traction Digger Climber text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps?rev=1415904614&do=diff 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 text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/kayaking?rev=1415904614&do=diff Kayaking Barrie Canoe and Kayak Club ---------- * <http://www.paddling.net/> * Notice to Mariners text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/weather?rev=1415904614&do=diff Weather Central Ontario Road Conditions Road Closures Welland Weather text/html 2017-09-15T21:55:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/astronomy/celestron?rev=1505512550&do=diff Celestron C5 Schmidt–Cassegrain Telescope Documentation * [C5 manual reprint from 1981] * [C5 manual (second version)] * [1978 Catalog] * [Spock advertising Celestron] text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/electronics/battery?rev=1415904614&do=diff 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 text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps/rideaucanal?rev=1415904614&do=diff Rideau Canal <html> <iframe src=“<http://photonicsguy.ca/gpsmaps/rideaucanal.htm>” width=“800” height=“800” marginwidth=“0” marginheight=“0” scrolling=“no” frameborder=“0”> <a href="http://photonicsguy.ca/gpsmaps/rideaucanal.htm">Click here for the map</a> </iframe> </html> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps/saugeen?rev=1415904614&do=diff Saugeen Canoe Trip View my Saugeen pictures. <html> <iframe src=“<http://photonicsguy.ca/gpsmaps/saugeen.htm>” width=“800” height=“800” marginwidth=“0” marginheight=“0” scrolling=“no” frameborder=“0”> <a href="http://photonicsguy.ca/gpsmaps/saugeen.htm">Click here for the map</a> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/flash?rev=1415904614&do=diff 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 text/html 2016-03-09T02:48:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/mysensors?rev=1457491680&do=diff 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've assembled two working boards. Imgur photos * Nov 24th: I received the boards, Yay!! * Nov 7th, 2014: I'm waiting on the PCB's from text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/bicycle?rev=1415904614&do=diff My Bicycle I bought the bike from George Vettor Cycle & 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't bike at night so much anymore... Lights text/html 2014-11-13T20:01:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/education?rev=1415908865&do=diff Education I have a Bachelor'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've had the opportunity to be exposed to all kinds of neat and interesting stuff text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/wishlist?rev=1415904614&do=diff Wishlist Manitou 14 - Manufacturer's site Garmin eTrex Legend HCx GPS GPS Logger <http://www.dataq.com/products/startkit/di148.htm> Photography Sony A700 Macro reverse adapter Lensbaby Sparkfun Package Tracker 5V DC-DC reg text/html 2017-11-12T18:39:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/archive/coop?rev=1510511960&do=diff Coop * $150 USB-GPIB Adapter * PIC USB-GPIB Project * <http://www.thegleam.com/ke5fx/gpib/readme.htm> * <http://www.thegleam.com/ke5fx/gpib/7470.htm> * <http://www.printcapture.com/details.html> * <http://www.webalice.it/hotwater/PicPlot.htm> * <http://www.synrad.com/e-newsletters/08_09_07.htm> * <http://www.optikon.ca/photonic.htm> URL's * <http://www.repairfaq.org/sam/laserco2.htm#co2sdf> * <http://www.protectivepackaging.ca/310.htm> TEA CO2 <http://www.vin.bg.ac.yu/V… text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps/barrie?rev=1415904614&do=diff Barrie Bicycling Trips <html> <iframe src=“<http://photonicsguy.ca/gpsmaps/Barrie.html>” width=“800” height=“800” marginwidth=“0” marginheight=“0” scrolling=“no” frameborder=“0”> <a href="http://photonicsguy.ca/gpsmaps/Barrie.html">Click here for the map</a> </iframe> </html> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps/bicycling?rev=1415904614&do=diff Bicycling Trips * Barrie Bicycling Trips * Niagara Falls to Niagara on the Lake * Welland to Port Colborne <html> <iframe src=“<http://photonicsguy.ca/gpsmaps/bikeride.html>” width=“800” height=“800” marginwidth=“0” marginheight=“0” scrolling=“no” frameborder=“0”> <a href="http://photonicsguy.ca/gpsmaps/bikeride.html">Click here for the map</a> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps/nftonotl?rev=1415904614&do=diff Niagara Falls to Niagara on the Lake <html> <iframe src=“<http://photonicsguy.ca/gpsmaps/080622bikeride.htm>” width=“800” height=“800” marginwidth=“0” marginheight=“0” scrolling=“no” frameborder=“0”> <a href="http://photonicsguy.ca/gpsmaps/080622bikeride.htm">Click here for the map</a> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps/oshawakayaking?rev=1415904614&do=diff Oshawa Kayaking <html> <iframe src=“<http://photonicsguy.ca/gpsmaps/oshawakayaking.html>” width=“800” height=“400” marginwidth=“0” marginheight=“0” scrolling=“no” frameborder=“0”> <a href="http://photonicsguy.ca/gpsmaps/oshawakayaking.html">Click here for the map</a> </iframe> </html> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps/weltopoco?rev=1415904614&do=diff Welland to Port Colborne <html> <iframe src=“<http://photonicsguy.ca/gpsmaps/080705_welland_toportcolborne.html>” width=“800” height=“800” marginwidth=“0” marginheight=“0” scrolling=“no” frameborder=“0”> <a href="http://photonicsguy.ca/gpsmaps/080705_welland_toportcolborne.html">Click here for the map</a> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/cnc?rev=1415904614&do=diff <http://pminmo.com/> <http://www.fromorbit.com/projects/picstep/> Digital caliper interfacing and <http://www.compendiumarcana.com/caliper/> DRO text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/ferrofluid?rev=1415904614&do=diff Ferrofluid Followed the directions from here. View some pictures here, <html> <table style=“width:194px;”><tr><td align=“center” style=“height:194px;background:url(<http://picasaweb.google.com/f/img/transparent_album_background.gif>) no-repeat left”><a href=“<http://picasaweb.google.ca/photonicsguy/Ferrofluid#>”><img src=“<http://lh6.ggpht.com/_o8vuO8ku2Bo/R3CmoXghZGE/AAAAAAAADVI/zftZMUTQdNU/s160-c/Ferrofluid.jpg>” width=“160” height=“160 text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/ulaser?rev=1415904614&do=diff U doped Laser Excited-State Absorption in Fluorescent Uranium, Erbium, and Copper-Tin Glasses PREPARATION AND PROPERTIES OF POTENTIAL GREEN LASER MATERIALS CONTAINING EXAVALENT URANIUM Fluorescence Spectra of Uranyl Ion in Various Environments Heavy-element chemistry at Los Alamos Factors affecting the threshold for laser action in CaF2 crystals doped with uranium and other host lattices - No access Uranium-doped calcium fluoride as a laser material - No access Q-Switching Spectral Bleac… text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/reference/apcups?rev=1415904614&do=diff APC Smart-UPS 2200 RM with AP9606 management card Upgraded to latest firmware by uploading aos325.bin and sumx326.bin via FTP. <ftp://ftp.apc.com/apc/public/hardware/webcard/firmware/sumx/v326/> APCUPSD crashing, aborted (core dumped) I used the following patch to fix apcupsd: <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=655741> ===== --- a/src/drivers/snmplite/apc-mib.cpp +++ b/src/drivers/snmplite/apc-mib.cpp @@ -307,6 +307,8 @@ break; case CI_Overload: + if (data… text/html 2016-03-07T01:07:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/reference/fluke45?rev=1457312877&do=diff 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. text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/vintage/delaylinememory?rev=1415904614&do=diff 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] text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gps/bicycling/june22?rev=1415904614&do=diff Niagara Falls to Niagara on the Lake <html> <iframe src=“<http://photonicsguy.ca/gps/080622bikeride.htm>” width=“800” height=“800” marginwidth=“0” marginheight=“0” scrolling=“no” frameborder=“0”> <a href="http://photonicsguy.ca/gps/080622bikeride.htm">Click here for the map</a> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/panelmeter?rev=1415904614&do=diff Panel Meter Interface Components * Panel Meter * [MCP41050] * [LM321] * [MAX5487 Digital Pot] * [12-bit DAC with SPI Interface] 1mA Full scale meter 94 Ohms coil resistance 5K Ohm resistor @ 5V = 1mA MCP4821 Pin No.SymbolFunction1VddSupply (2.7 to 5.5V)2CSChip Select3SCKSerial Clock Input4SDISerial Data Input text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/serialconverter?rev=1415904614&do=diff Serial Converter MAX233CPP * Uses no external caps Cable Pinout Pin Wire Colour Description 1 N/C 2 Black RD (Data to PC) 3 Brown TD (Data from PC) 4 N/C 5 Red Ground 6 Orange DSR 7 Yellow RTS 8 Green CTS 9 N/C S Shield text/html 2016-03-09T00:46:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/sumppump?rev=1457484383&do=diff 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. text/html 2016-03-07T22:05:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/cooking?rev=1457388303&do=diff Cooking <https://www.auroraimporting.com/contact-us/> <http://www.seriouseats.com/2014/11/the-truth-about-cast-iron.html> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/gadgets?rev=1415904614&do=diff Gadgets * Optical Calcite * Ulexite (Television Stone) * Laser Pens * Doped marbles text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/notes?rev=1415904614&do=diff 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 text/html 2024-04-10T20:20:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/pi?rev=1712780402&do=diff Raspberry Pi Notes Zero W GPIO Show GPIO in use cat /sys/kernel/debug/gpio echo 461 > /sys/class/gpio/export udevadm info --path=/sys/class/gpio/gpio461 --attribute-walk text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/qrcode?rev=1415904614&do=diff [QR Code] text/html 2016-03-09T00:46:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/sidebar?rev=1457484412&do=diff * 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… text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/taurus?rev=1415904614&do=diff Vehicle If I only had a single wrench, I hope it'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 text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/todo?rev=1415904614&do=diff <http://www.otherpower.com/otherpower_experiments.html> <http://link.aip.org/link/?JAPIAU/48/3895/1> <http://www.dacomwest.de/e_index.htm> TODO * E-mail Jim Bixby * Locate Rich Heineck <http://home.carolina.rr.com/gcodemcode/ttftodxf.htm> Plugins Notes Other * <http://www.matwei.de/> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/arduino/lcd?rev=1415904614&do=diff LCD Display MJKDZ I2C board from eBay. Notes: * eBay search for board * * I2C address is actually 0x20, not 0x27 * I'm using the New LiquidCrystal library * Need pull-up resistors on SDA and SCL lines (A4 & A5 pins) Test Code #include <Wire.h> #include <LiquidCrystal_I2C.h> #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, … text/html 2018-03-25T17:48:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/notes/lorex?rev=1522000123&do=diff Lorex IPSC * Image * Video text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/playground/google?rev=1415904614&do=diff <HTML> <script type=“text/javascript”> var gaJsHost = ; </script> <script type=“text/javascript”> var pageTracker = _gat._getTracker(“UA-4236527-4”); pageTracker._initData(); </script></body> </HTML> <HTML> <A href=“<http://www.google.ca/>” target=“_new text/html 2016-12-11T20:47:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/chip?rev=1481489238&do=diff 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 text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/garmincharger?rev=1415904614&do=diff Fixing a Garmin USB charging cable [Miniusb Pinout] PinFunction15v Power2n/a3n/a417.3K to Ground5Ground text/html 2017-03-21T22:29:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/reference/tc4300?rev=1490135390&do=diff Cablemodem TC4300 GUI: <http://192.168.100.1/> Spectrum analyzer: <http://192.168.100.1:8080/> Username: (blank) Password: admin text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/vintage/corememory?rev=1415904614&do=diff Core Memory 8KB of Canadian made core memory coming soon... text/html 2024-02-12T12:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/wiki/dokuwiki?rev=1707739749&do=diff DokuWiki wiki:dokuwiki DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn'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's favorite. Built in text/html 2024-02-12T12:09:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/wiki/welcome?rev=1707739749&do=diff 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't exist, this link will be red: text/html 2018-03-04T14:54:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/photography/flash/wireless_trigger?rev=1520175268&do=diff Hotshoe on the Olympus M10 has a flash trigger of only 2ms. Wireless trigger doesn't respond reliably. Adding a 0.1uF(104) cap extends the pulse to approx. 7ms. <http://www.e-ele.net/DataSheet/HT75XX-1.pdf> Godox flash possibly contains CC2500 text/html 2014-11-13T22:12:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/dualpressuresensor?rev=1415916744&do=diff 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 text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/temperature?rev=1415904614&do=diff Temperature sensing devices ADT7410 Digital I2C Temperature Sensor ±0.5°C Accurate, 16-Bit Digital I2C Temperature Sensor PinWire Colour1SCLYellow2SDABlue3A0Gnd4A1Gnd5INTn/c6CTn/c8VddRed7GndBlack Need 0.1uF Cap between pins 7 & 8 From Analog Devices, [ADT7410 Datasheet] Thermopile sensor text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/touchsensor?rev=1415904614&do=diff Touch Sensor Current Status: Prototype text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/x10?rev=1415904614&do=diff X10 Interfacing X10 Mini Timer power supply The LCD display seems to die after a few years (on three units I've used) so I figured out the pinout. 4N35's are used internally for opto-isolation, The power is from a transformer internally, with a rectifier and a capacitor. text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/photography/flash?rev=1415904614&do=diff <http://snowcat.de/flashcontroller/> <http://www.camerasunderwater.info/engineering/flash/nikttl.html> text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/school/research/start?rev=1415904614&do=diff Unflatten pixmap iVision iMAQ Vision NI-IMAQ for USB Cameras * Fluorogen * * Crookes Radiometer * Quantitative use of a Crookes radiometer * A Modified Theory of the Crookes Radiometer * The radiometer revisited text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/work/coop/ideas?rev=1415904614&do=diff Ideas * Dragon Optical illusion using the cutter, marker, and welder. <http://www.grand-illusions.com/opticalillusions/dragon_illusion/> * Red, Green, and Blue laser diodes for a light show. * Emco mini lathe to make replacement tips for the laser cutter * Laser speckle display * Wiki for SOP's, change limited to faculty. ----------