2018 Results for "%E3%80%8A%E3%80%88 %EB%AC%B8%EC%9D%98 OIO%E2%86%975793%E2%86%977458 %E3%80%8B%E3%80%89 %EC%85%94%EC%B8%A0%EB%A3%B8%EA%B0%80%EA%B2%A9%E3%85%B1 %E2%95%88proprietary%EF%BC%98%EC%85%94%EC%B8%A0%EB%A3%B8%ED%9B%84%EA%B8%B0%EC%85%94%EC%B8%A0%EB%A3%B8%EC%B6%94%EC%B2%9C%E3%83%B0amidst %EC%84%A0%EB%A6%89%EC%85%94%EC%B8%A0%EB%A3%B8%EC%85%94%EC%B8%A0%EB%A3%B8%EC%B6%94%EC%B2%9C %EC%85%94%EC%B8%A0%EB%A3%B8%EC%B6%94%EC%B2%9C%E2%80%BB%EC%85%94%EC%B8%A0%EB%A3%B8%EC%B6%94%EC%B2%9C%E3%84%B4handle%E3%8F%89"

New Boat, New Autopilot - using an old laptop mainboard!
Log from OpenCPN Chart Plotter /w Autopilot and Waypoints
For quite some time I have been thinking about the possibility to using a laptop to run all the heavy OpenPlotter and OpenCPN stuff instead of using a Raspberry Pi. The performance of the RPi is... well it's usable but it's not a pleasant user experience....

ETTL protocol with the EOS RP & 580 EX II
Log from Wireless ETTL flash conversion
The STM32 board was just a hair bigger than the PIC, but the biggest pieces are still the power switch, channel button, & battery. The plan is just to print an L enclosure which scotch tapes around the hot shoe & sticks up. The antenna will...

Industrial Control Application
Details from Industrial Control Application
Thanks to RT-Thread OpenSource Community Developer #hyafz contributed and opensource this application.1 Introduction plccore is a RT-Thread-based runtime core for programmable logic controller (PLC), together with the upper computer programming...

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...

Arduino or Wemos Code
Instructions from WiFi Signal Strength Scanner Monitor or Checker
In the arduino code set your WiFi credentials char wifissid[] = "ENTER YOUR WiFi SSID HERE"; char wifipass[] = "ENTER YOUR WiFi PASSWORD HERE"; Normally, the signal strength is displayed in dBm. But for a non techie person, the signal strength in terms...

Multi-boot Multicomp (Part 2)
Log from 3-Chip Z80 Design
I've got the BIOS loading for Multi-boot Multicomp. It boots up to the Multi-boot prompt. > Available Commands: :ccxxxxiibbbbbb Load Intel-Hex file record Rxxxx Run from address xxxx Sddd System boot Iddd Init: Format directory Pddd[,xxxx] PutSys: write...

All Your ISA Belong to Me!
Log from DDL4-CPU
Before I began the layout of the DDL4-CPU, I came up with an initial Instruction Set Architecture (ISA) for the design. It went through several revisions as I was designing the boards and refined the components. Here at the last minute as I am...

20230219b -- Actual File Sending
Log from ROM Disassembly - AlphaSmart Pro
Having found the send speed setting, I got a bit interested in the file sending process itself. Tracing back a reference to "Sending....Press any key to stop. " text, I find sub_F013:F013 ; XXX prepare to send (flags and prompt) F013 sub_F013:...

INFORMED HEX DUMP
Log from WIERD PROTOCOL
66 03 60 4D F5 66 03 C0 SOH DE 1D 40 E5 #62 E7 41 EE 70 48 4F 52 50 43 35 33 32 34 37 36 19 06 22 06 22 SOH10 46 30 46 19 SOH42 70 40 40 40 40 40 40 30 30 31 38 30 33 35 33 32 34 37 36 4B 08 08 DC C1 C1 32 DC C1 C1 32 42 B4 42 B4 02 SOH02 02 02...

Days 3,4,5: Eureka, sound and images found!
Log from Tsukuyomi
1. Toolchain not found After stepping away few days far from my PC for family reason, I resumed my activities on the Tsykuyomi project.So I started by reading the https://github.com/WHhkwong/SIPI_Bear_playback code and looking for a SNC7001A Toolchain/SDK...

I added the Tindie logo
Log from Hackable Electronics Badge Alternate Logos
At the OHSummit, I was joined by Amber Cunningham, community manager of Tindie. While Hackaday and Tindie have the same overlords ruling over them, we can't really have Amber going around with a Hackaday logo on her badge, can we?...So I spent 15 minutes...

20230221b -- File Inserting
Log from ROM Disassembly - AlphaSmart Pro
Intrigued by the various file-related pointers seen in deleteThisFile_EB9B, I remember that the keyboard scan routine had a final case where the bulk of the keystrokes (the printable ones) are handled, and there was a scan code to ASCII routine before...

The actual informations
Log from Extension card for TDS3000 scopes
Detecting and identifying a card As stated in an earlier log, the card insertion is detected by grounding the pin *CD. But this is not enough to make the scope believe he have a know card inside him. You need to indicate him what type of card was inserted....

Plasma Effect for TMS9918
Log from Game Boards for RC2014
Plascii Petsma by Cruzer/Camelot has one of the nicest looking plasma effects I've seen for the C64. Since he included the source code, I was able to port it to the Z80 and TMS9918. On top of the features in the original C64 version, I have...

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...

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