https://www.photonicsguy.ca/ 2026-04-06T22:46:23+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/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/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 2014-11-13T18:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.photonicsguy.ca/projects/electronics/gps?rev=1415904614&do=diff 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's manual] * Earthmate Hyperformance GPS Receiver - Rockwell binary output only 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 2014-11-13T22:12:24+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/ioboard?rev=1415904614&do=diff 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 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/garmincharger?rev=1415904614&do=diff Fixing a Garmin USB charging cable [Miniusb Pinout] PinFunction15v Power2n/a3n/a417.3K to Ground5Ground 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/optrexdisplay?rev=1415904614&do=diff Optrex IM50240 Display Hitachi HD44100H Chipset PinFunctionNotes1DL12CL13CL24M500KHz @ 50% duty cycle5n/c6VCC7IC GND & VEE8“Clear” Button9“Secure” Button10Ground 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/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 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