https://www.photonicsguy.ca/ 2026-04-06T20:37:17+00:00 https://www.photonicsguy.ca/ https://www.photonicsguy.ca/_media/wiki/dokuwiki.svg 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 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 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 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/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/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/arduino/udev?rev=1415904614&do=diff Making custom udev entries # udevadm info -a -p $(udevadm info -q path -n /dev/ttyUSB0)| grep ATTRS{serial} ATTRS{serial}=="A9KJB1T5" # create a file in /etc/udev/rules.d/ SUBSYSTEMS=="usb", ATTRS{serial}=="A9KJB1T5" , KERNEL=="ttyUSB?", SYMLINK+="sump", GROUP="dialout" 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 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 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 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 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 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/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 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 2014-11-13T20:01:05+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 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/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 2023-11-24T14:55:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/start?rev=1700837753&do=diff Welcome This site will always be a work in progress, Some pages describe projects I've done, working on, or want to do. Other pages are more for my own reference. Recently, I've repaired a broken Fluke 45 DMM, a Topward power supply, made some wireless sensors, and most recently upgraded the 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 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 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/projects/wet610n?rev=1415904614&do=diff WET610N telnet <ip_address> 1111 system telnetd telnet <ip_address> root password: wlan Serial boot log 38400,8N1 3.3V logic U-Boot 1.1.4 (Jun 19 2008 - 14:02:55) U-Boot code: 00000000 -> 0001C1F0 BSS: -> 00021498 CPU Clock: 200 MHz 1.8V Vdd Output: 1.793 … text/html 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/opticalmouse?rev=1415904614&do=diff 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. 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).