3233 Results for "%E3%80%8A%EC%98%88%EC%95%BD%EB%B2%88%ED%98%B8OIOX8489X83O6%E3%80%8B%EA%B0%95%EB%82%A83hours%E2%94%903hoursrise%EA%B0%95%EB%82%A83hours%EA%B0%95%EB%82%A83hours3hoursbehaved 3hours %E3%89%B2%E3%8E%9B3hours%EB%A0%88%EA%B9%85%EC%8A%A4%EA%B0%80%EA%B2%A9each"

Micro-coded controller deep-dive
Log from Custom circuit testing using Intel HEX files
In this project, instead of using a standard embedded processor and programming it to execute 3 tasks at hand (parsing HEX character stream, generating HEX character stream, and writing character stream to video RAM driving VGA), I created 3 independent...

Reverse Engineering the BASIC Program
Log from Optronic Laboratories 740A/D Spectrometer
I uploaded a copy of the BASIC program that ran the system. The important part was this, which I annotated what it did. With this Information and finding the interface to the spectrometer is a 48 line DIO board I was able to figure out what lines did...

Board NEDONAND-6
Log from NEDONAND homebrew computer
NEDONAND-6 is 8 multiplexers 2:1 with common control (straight select and inverted select):Board already ordered through OSHPark:Pins description:1.1) GND - ground 1.2) O0 - output of multiplexer 0 1.3) O1 - output of multiplexer 1 1.4) O2 - output of...

♫ Flash! (aa-aahh!) Saver of the Usersettings! ♫
Log from HP 82240B IR Receiver and Printer Interface
Summary:It occurred to me that it would be useful to save some configuration in a non-volatile manner. This board and this chip does not have any conventional non-volatile storage (e.g. EE or external serial EE), but there's plenty of pages of unused...

Building a CP/M System Disk
Log from My CP/M Single Board Computer
Building a CP/M System Disk To avoid rewriting the assembler codes for ccp, bdos and cbios so that they can co-exist in the same file. I can append the i8hex files and remove the "end of file markers". To make the hex file more readable I have changed...

Understanding how the computer works
Log from Apollo Guidance Computer
Fortunately most of the NASA documents are available. They can be found on-line at https://www.ibiblio.org/apollo/Documents/ The following documents are what I leaned heavily on in gaining an understanding of how this computer...

Reed Relay MIDI music box (Up to E3 note)
Log from BrainfuckPC Relay Computer
Connect MIDI keyboard and use it as a frequency generator. So when I press some note, BFPC start do increment on it's frequency so we can play some music, e.g. The Imperial march from Star Wars

31.01.2021 - Voron Switchwire - BTT SKR mini E3 Wiring and Crimping
Log from Voron Switchwire 3D Printer
https://hackaday.io/project/174810/components

[E1][M] New Strain Wave Reducer / Harmonic Drive
Log from T^2 Tiles [gd0095]
Right so it's been... checks notes... 36 hours since I wrote the log saying I don't know how to progress further. I've now essentially finished modelling the entire thing, and it should be smaller, better, faster and stronger than the previous...

On sale now!
Log from TinyFPGA B-Series
The TinyFPGA B2 boards are available to buy today from Tindie: https://www.tindie.com/products/tinyfpga/tinyfpga-b2/Take a look and buy the tiniest FPGA board with this many logic resources!

Top 100 Authors by Followers
Log from Statistics for 2015 Hackaday Prize Entries
# Author Followers Skulls Project Comments View Count 1 movax 617 198 5 160 88600 2 The Big One 498 170 3 74 36100 3 Chris Hamilton 412 62 40 25 15031 4 Andreas Hoelldorfer 370 142 1 38 19900 5 IngGaro 333 88 1 21 31700 6 Debasish Dutta 301 136 3 77...

Datasheets for PXS5-925 KEVEX Thermo-electron Thermo-fisher SCIENTIFIC X-Ray Sources
Log from X-Ray CT scanners get new life
These datasheets were astonishingly difficult to get, and then all of a sudden they were here. They've been uploaded to the main files, again with as many keywords as I can muster to help any weary and lost souls that may follow.Main takeaways:It's got...

20230220b -- Hardware Info Sync
Log from ROM Disassembly - AlphaSmart Pro
It's probably worthwhile to summarize what hardware aspects I have gleaned thus far.Port A:b7 LCD EXb6 (not bonded on DIP40)b5 RAM Bank Select 1 (A16)b4 (not bonded on DIP40)b3 RAM Bank Select 0 (A15)b2 ??? b1 ...

But I hate math...
Log from Multi-Function Selective Firing Neurons
As for the equation that will be used to determine whether a neurotransmitter triggers one of the intervals in a neuron, it will be as follows:where the numerator represents the sum of the specific neurotransmitter (t) from the neurons that are active...

20230221a -- File Deleting/Erasing
Log from ROM Disassembly - AlphaSmart Pro
Previously, while rummaging for scan codes, I was correlating known behaviour with key codes. One of those keys was the Clear File key (0x56). I forgot to post about that find, but it's still worthwhile to mention the file clearing operation...

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