https://www.photonicsguy.ca/ 2026-04-06T17:00:54+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/electronics/acs712?rev=1415904614&do=diff ACS712 Current Sensor [ACS712 Datasheet] ADC Resolution -05B -20A -30A 20 0.026 mA0.048 mA0.072 mA 19 0.052 mA0.095 mA0.144 mA180.103 mA0.191 mA0.289 mA170.206 mA0.381 mA0.578 mA160.412 mA0.763 mA1.156 mA150.825 mA1.526 mA2.312 mA141.65 mA3.052 mA4.624 mA133.299 mA 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 2017-11-12T18:39:20+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/ebay/voltammeter?rev=1415904614&do=diff 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 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 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/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/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 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 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 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/arduino/ethernet?rev=1415904614&do=diff Ethernet ENC28J60 * ArduinoUIP Wiring PinVCC3.3VGNDGNDSCK13SO12SI11CS10 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/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 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 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 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/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/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/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/optrexdisplay?rev=1415904614&do=diff Optrex IM50240 Display Hitachi HD44100H Chipset PinFunctionNotes1DL12CL13CL24M500KHz @ 50% duty cycle5n/c6VCC7IC GND & VEE8“Clear” Button9“Secure” Button10Ground