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david.parrott : hardware   237

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db-electronics/NESCIC: CIC implementation for NES on PIC12F629
CIC implementation for NES on PIC12F629. Contribute to db-electronics/NESCIC development by creating an account on GitHub.
nintendo  nes  hardware  security  microcontroller  pic 
august 2019 by david.parrott
Pre-83 | Platform Archaeology
Pre83 collects programming resources for computer platforms released before 1983. Many of these consoles, computers, and handhelds are difficult to research due to their material scarcity or technical obscurity. Pre-83 aims to help centralize and curate the most useful technical documentation for its target platforms, as well as offer an entry point for curious creators who might be interested in making new software on old hardware.
retro  hardware  software  console  reference 
august 2019 by david.parrott
Reverse engineering integrated circuits with degate - Home
Degate - an open source software for semi-automatic reverse engineering of logic in integrated circuits.
engineering  software  hardware  electronics  reverseengineering  logic 
may 2019 by david.parrott
Porting CP/M to a new computer
My journey through the process of porting CP/M 2.2 to a new Z80 computer
z80  hardware  cp/m  os 
may 2019 by david.parrott
Building a ‘Homebrew’ Video Game Console | Internal Register
Software and hardware projects for fun from a guy who loves retro computing
assembly  computers  diy  hardware  homebrew  console  retro  game 
march 2019 by david.parrott
AxiDraw V3
Evil Mad Scientist Shop: DIY and open source hardware and software for art, education, and world domination.
art  code  hardware 
january 2018 by david.parrott
Why Raspberry Pi isn't vulnerable to Spectre or Meltdown - Raspberry Pi
Eben gives you a crash course in how modern processors work to explain why Raspberry Pi is unaffected by the Spectre and Meltdown security vulnerabilities.
cpu  programming  security  hardware  raspberrypi  spectre  meltdown 
january 2018 by david.parrott
Get eyes in the sky with your Raspberry Pi
Learn how to use your Raspberry Pi and a cheap USB TV tuner stick to start tracking flights overhead - up to 250 miles away from your location.
diy  electronics  hardware  raspberrypi  radio  sdr  rtlsdr 
july 2017 by david.parrott
Disk Prices (UK)
Comparison of all hard drives on Amazon, sorted by price per GB
hardware  disk 
july 2017 by david.parrott
Pushing Polygons on the Mega Drive
This is a write-up of the polygon renderer used for the Mega Drive demo “Overdrive 2” by Titan, released at the Revision 2017 Demoparty.
As the Mega Drive can only display tilemaps, not bitmaps, and does not have the video memory mapped into the CPU address space, this turned out to be an interesting problem.
If you have not seen the demo yet, I recommend watching it before continuing.
You can find a hardware capture on YouTube:
demoscene  graphics  hardware  sega  megadrive 
may 2017 by david.parrott
RTL-SDR Tutorial: Cheap ADS-B Aircraft RADAR -
The rtl-sdr can be used as a real time air radar. Modern planes use something called an ADS-B (Automatic Dependent Surveillance-Broadcast) transponder, which periodically broadcasts location and altitude information to air traffic controllers
ads-b  hardware  radio  sdr  software  rtlsdr 
april 2017 by david.parrott
Receiving IR signals with RTL-SDR dongles – R. X. Seger – Medium
RTL-SDR dongles like the NooElec NESDR Mini 2+ often come with an infrared remote control, intended to control TV player software when the device is used in DVB-T mode. But when used as an SDR, what…
infrared  hardware  sdr 
april 2017 by david.parrott
Worksheet - Morse Code Virtual Radio | Raspberry Pi Learning Resources
The worksheet for the Morse Code Virtual Radio Learning Resource for Raspberry Pi
raspberrypi  projects  electronics  tutorial  hardware 
march 2017 by david.parrott
Worksheet - Fart Detector | Raspberry Pi Learning Resources
The worksheet for the Fart Detector Learning Resource for Raspberry Pi
raspberrypi  projects  electronics  tutorial  hardware 
march 2017 by david.parrott
International Space Station Orbit Tracker and Pointer — Practical Engineering
There’s a growing movement of people who believe that our space agencies
are underfunded and that humanity isn’t paying enough attention to our
present accomplishments and future plans in space exploration. Well, I know
one way to direct attention to something: Point at it.
satellite  electronics  hardware  space 
march 2017 by david.parrott
Designing Analog Chips by Hans Camenzind
Designing Analog Chips by Hans Camenzind available for free download.
electronics  signalprocessing  dsp  hardware  book 
february 2017 by david.parrott
NOAA Satellite Signals with a PVC QFH Antenna and Laptop - All
This instructable covers everything you'll need to get started in being able to receive the APT (Automatic Picture Transmission) signals from the NOAA Satellites (NOAA-15, 18, and 19) flying overhead (and can be a foundation for listening to other satellites as well). It all starts with a simple SDR (Software Defined Radio) which is a radio where the traditional and complicated parts, the modulators and amplifiers, are now done by computer software rather than the hardware. So a smal...
satellite  sdr  antenna  hardware 
february 2017 by david.parrott
PHQFH Diy Guide
This site is for all those interested in monitoring the weather satellites it includes a ilustrated step by step Guide to making your own QFH, International WXsat imaging competition, links to decoding and tracking software such as, wxtoim, WXsat, Satsignal, WXrack, U.K Lotto results and much more.
radio  satellite  antenna  diy  sdr  hardware 
february 2017 by david.parrott
M&Ms and Skittles sorting machine -
circular LED strip is glued to the middle plate of the machine. It has exactly 32 RGB leds. It will be used to show rainbow patterns when the machine is stand-by, and it will display measured colour during the sor
hacking  hardware 
february 2017 by david.parrott
Open Hardware Monitor - Core temp, fan speed and voltages in a free software gadget
The Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer.
cpu  hardware  software  opensource  tool  windows 
september 2016 by david.parrott
BBC micro:bit : home
Welcome to BBC micro:bit! This website will be your hub for all things micro:bit, from writing code to sharing your creations.
bbc  hardware  electronics  code  education  microbit  development  programming 
june 2016 by david.parrott
Zusie - My Relay Computer
I amuse myself by constructing a computer almost entirely out of relays. Relays were used to construct computers well before vacuum tubes, transistors or integrated circuits were feasible for the task.
computers  cpu  hardware  electronics  homebrew 
october 2012 by david.parrott
The Elements of Computing Systems / Nisan & Schocken
This site supports a course and a textbook that guide students and self-learners through the construction of a modern, full-scale computer system - hardware and software - from the ground up.
hardware  tutorial  book 
october 2012 by david.parrott
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