Photonicsguy.ca

Radio Communication

Anonymous (anonymous@undisclosed.example.com) — 2014-11-13T18:50:14+00:00

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…

Vindriktning

Anonymous (anonymous@undisclosed.example.com) — 2023-12-11T15:47:49+00:00

Vindriktning Ikea air particulate sensor RX pin on ESP-01S header is pin 5 Serial testing Configure serial port: stty -F /dev/ttyUSB0 speed 9600 cs8 -parenb Value of 250µg/m³: echo -en '\x16\x11\x0b\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x00\x00\xb2' > /dev/ttyUSB0

Lenovo T530 Laptop WiFi upgrade

Anonymous (anonymous@undisclosed.example.com) — 2021-07-06T14:15:59+00:00

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…

Formatting Syntax

Anonymous (anonymous@undisclosed.example.com) — 2024-02-12T12:09:09+00:00

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

Tiko

Anonymous (anonymous@undisclosed.example.com) — 2017-03-20T21:45:11+00:00

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)

LCD Display

Anonymous (anonymous@undisclosed.example.com) — 2014-11-13T18:50:14+00:00

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 #include #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, …

Ulexite (Television Stone)

Anonymous (anonymous@undisclosed.example.com) — 2016-03-08T19:31:19+00:00

Ulexite (Television Stone) Wikipedia Article on Ulexite [Ulexite stone]

Kayaking on the Rideau Canal

Anonymous (anonymous@undisclosed.example.com) — 2014-11-13T18:50:14+00:00

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 ” width=“800” height=“800” marginwidth=“0” marginheight=

405nm Laser Diode

Anonymous (anonymous@undisclosed.example.com) — 2014-11-13T18:50:14+00:00

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

Star pointing

Anonymous (anonymous@undisclosed.example.com) — 2017-08-22T17:50:36+00:00

Star pointing Concept Hardware Magnetic declination * Magnetic declination calculator for Canada * Magnetic declination calculator for US (My) Magnetic declination: 10° 28.50' West (-10.475°)

Camera Flash Control

Anonymous (anonymous@undisclosed.example.com) — 2014-11-13T18:50:14+00:00

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

GPS

Anonymous (anonymous@undisclosed.example.com) — 2014-11-13T18:50:14+00:00

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

SD GPS Track Logger

Anonymous (anonymous@undisclosed.example.com) — 2014-11-13T18:50:14+00:00

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).

Temperature sensing devices

Anonymous (anonymous@undisclosed.example.com) — 2014-11-13T18:50:14+00:00

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

Crookes Radiometer

Anonymous (anonymous@undisclosed.example.com) — 2014-11-13T18:50:14+00:00

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