3210 Results for "%EC%B2%AD%EC%A3%BC%EC%98%A4%ED%94%BC%EC%9D%B4%EB%B2%A4%ED%8A%B8%E2%87%8Foptime4%E3%80%82com%EC%B2%AD%EC%A3%BC%EC%98%A4%ED%94%BC %EC%B2%AD%EC%A3%BC%EB%A7%88%EC%82%AC%EC%A7%80 %E2%87%8F %EC%B2%AD%EC%A3%BC%EC%98%A4%ED%94%BC%E1%99%92 %EC%B2%AD%EC%A3%BC%EC%98%A4%ED%94%BC%ED%94%84%EB%A1%9C%ED%95%84%E1%99%92 %EC%B2%AD%EC%A3%BC%ED%9C%B4%EA%B2%8C%ED%85%94 %EC%B2%AD%EC%A3%BC%ED%82%A4%EC%8A%A4%EB%B0%A9 %ED%83%80%EC%9E%84"

Update Code For Three Dollar EC PPM Meter for MCU [Arduino]
Log from Hacking the way to growing food
This code is a slight update of the last one, updated:>Better Uptime Counter>LCD Shield>New Pin out Diagram>Restart Protected Calibration Details>EU and US Plug Calibrated Probe Also a quick update to the code so the calibration value will survive a...

Theory
Log from All About Laptop Keyboard Reuse
A laptop keyboard is a diode-less key matrix. Its keys are distributed in a way that you can press the most important key combinations at once, despite the lack of diodes - to the point where some rows only contain one or two keys. Often, there's also...

Ed
Hacker
Making some of all the things.

A Whole Lotta Roots
Log from The Little Green Tower
Just a quick picture to show off the tremendous root growth. The plants are about 5 weeks old except the one on the bottom of the frame which is six weeks old. Click on the picture and zoom in to get a good view of how dense the roots are.You...

Latitude E6400 Coreboot port
Details from Latitude E6400 Coreboot port
The main differences between the E6400 and the T400 are the SuperIO, the EC, and the use of DDR2 RAM instead of DDR3. The SuperIO is supported by coreboot, so it should just be a matter of including it in one of the files, but I may have to write new...

3.3v DC-DC Boost with RGB LEDs and Arduino Control
Project by AnsonAnson
This boost driver powers an Arduino and an MPU6050 IMU to turn on some RGB LEDs and a beeper when unleveled, from 1xAAA or 2xAAA.
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Greenhouse/house evolutive automation system
Details from Greenhouse/house evolutive automation system
Communication and modules architecture High level Software architecture Main controller This module manages mirrors of all connected devices on the control network ( RS485 ) and delivers user interface via TFT and webserver to users. Control modules...

Charliefoxtrot with the Embedded Controller
Log from Reverse engineering Toshiba R100 BIOS
Redford did a whole lotta work reverse engineering the BIOS code and figured out that most of the interesting stuff (password check, challenge/response for lost password) is actually done by something off the main x86 processor. We figured out that it's...

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....

Finally, some publicity!
Log from RasDash
An article recently published on MOONGIFT, a Japanese developer site, has showcased RasDash! The article is entirely in Japanese and Google Translate won't accept the URL as it has special characters but YANDEX does. Below are some links and a basic...

Hacking Petzls overengineered headlamp
Details from Hacking Petzls overengineered headlamp
I got myself a Petzl NAO RL for (ultra-)trailrunning, wich is equipped with a USB C connetor for the battery. My first thougt: Nice, I could run it on a bigger powerbank in my backpack. This kind of works, when using a extention cord with 5 kOhm...

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...

Reverse Engineering ROCKTECH RPI_300_EXT_V1_0
Project by Look Right
On Ebay there are some RPi4 with an nice housing and an industrial interface board. Goal is to find all information to use the board.
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20230225a - Displaying the Current File
Log from ROM Disassembly - AlphaSmart Pro
sub_F374 has caught my interest because it seems to be painting the LCD with the currently selected file's contents according to several state variables that I have not fully reverse-engineered.The routine begins like this:F374 sub_F374: F374 BD F6 18...

Timing & camera settings
Log from Wireless ETTL flash conversion
Got some more packets with timing values for key bits. 8e/ff 8e/b5 de/4c 8e/e5 0d/ff 8e/a9 91/25 8e/a1 2b/f8 2b/a5 00/2c 8e/b9 00/80 8e/bd 18/00 69/23 23/99 ff/fb 02/ff 8e/f9 55/ff 8e/f7 7b/ff 8e/b3 00/12 00/46 00/2f 00/f5 57/ff 49/ff 5c/ff 0f/ff 00/be...

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