1854 Results for "%E3%80%8A %EC%98%88%EC%95%BD%EB%AC%B8%EC%9D%98 OIO%E2%86%978489%E2%86%978306%E3%80%8B%EA%B0%95%EB%82%A8%EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8%E3%8F%8A%EC%84%A0%EB%A6%89%EB%A0%88%EA%B9%85%EC%8A%A4mystery%EC%84%A0%EB%A6%89%EB%A0%88%EA%B9%85%EC%8A%A4%CE%A7%EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8briefly %EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8%E3%84%B7%EA%B0%95%EB%82%A8%EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8%E2%94%90%EA%B0%95%EB%82%A8%EB%A0%88%EA%B9%85%EC%8A%A4%E3%88%8B%E2%92%B4%EC%84%A0%EB%A6%89%EB%A0%88%EA%B9%85%EC%8A%A4modification"

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...

More SD Card Write Details
Log from 3-Chip Z80 Design
Had to dig into the FPGA code for the SD card. Using Neal Crook's documentation of Grant Searle's version (longer pedigree on the page). The status register values are: // SD_Status bit values from Neal Crook's documentation of Grant's SD card // b7...

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...

We Have Blinkenlights!
Log from 2:5 Scale KENBAK-1 Personal Computer Reproduction
With the wiring complete I wrote a small program in Python to test the lights, buttons, and switches on the front panel. To be clear this is NOT the KENBAK-2/5 emulator running a program (yet). As it turns out I did have to replace one of the LEDs...

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...

Tablet Init
Log from WiiChuck
We have some bytes from the tablet. It's all pretty standard stuff with one exception.// unenc init a4 w f0 55 a4 w fb 00 Read ID Bytes a4 w fa a5 r ff 00 a4 20 00 13 // Enter enc mode a4 w f0 aa // write 16 byte key a4 w 40 e0 7d e0 7d e0 7d a4 w 46...

I2C on OPT8241
Log from 3D-ToF scanner
I have connected the opt8241 sensor over I2C. I have disabled sensor clock by setting MCLCK to 0. Power consumption of adapter board is ~1.8 mA. Then I have sent the i2c commands. Command output : # i2cdetect 2 WARNING! This program can confuse your...

Top 100 Authors by Views
Log from Statistics for 2015 Hackaday Prize Entries
# Author Followers Skulls Project Comments View Count 1 movax 617 198 5 160 88600 2 MW Motors 284 124 2 112 48660 3 The Big One 498 170 3 74 36100 4 Tyler Spadgenske 245 83 2 15 35300 5 IngGaro 333 88 1 21 31700 6 Debasish Dutta 301 136 3 77 28406 7...

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...

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...

Top 100 Authors by Comments
Log from Statistics for 2015 Hackaday Prize Entries
# Author Followers Skulls Project Comments View Count 1 movax 617 198 5 160 88600 2 MW Motors 284 124 2 112 48660 3 Debasish Dutta 301 136 3 77 28406 4 The Big One 498 170 3 74 36100 5 Blecky 160 67 2 64 19173 6 antti.lukats 212 111 5 54 15462 7 Chali...

We’ll be on Maker Faire Kyiv this weekend!
Log from uECG - small open source wireless ECG sensor
Quite symbolically, this Saturday, on March 2, Kyiv will host the first Maker Faire Kyiv in a long time! The last one was in 2018.Where, in addition to uECG and uMyo, we’ll present our first project in collaboration with TURFPTAx The device working...

We’ll be on Maker Faire Kyiv this weekend!
Log from uMyo - wearable EMG sensor with wet/dry electrodes
Quite symbolically, this Saturday, on March 2, Kyiv will host the first Maker Faire Kyiv in a long time! The last one was in 2018. Where, in addition to uECG and uMyo, we’ll present our first project in collaboration with TURFPTAx The device working...

Top 100 Authors by Skulls
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 Andreas Hoelldorfer 370 142 1 38 19900 4 Debasish Dutta 301 136 3 77 28406 5 M. Bindhammer 196 135 3 29 14252 6 MW Motors 284 124 2...

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:...

|<
<
1
2
3
4
5
>
>|