Tagged “posts”
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April 11, 2024
Trying to figure out how to create a minimal autotool setup for C projects
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April 06, 2024
This script facilitates the repackaging and upgrading of llamafile archives generated by Llama.cpp. This is particularly useful for users with limited internet access, by preserving existing gguf and .arg settings while replacing the llamafile engine.
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April 01, 2024
Updating the Root CA certificates of CITAQ H10 so that let's encrypt based website work again. This will also be useful for other very old android devices with root adb access capability as well!
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September 12, 2023
Attempt at understanding how CITAQ H10-3 works and is an exploration log of how the SDK and device work because in the future I may want to give a shot at writing an app for it. This doesn't quite fit into the above repository as it is more general notes and timeline of discoveries I found while exploring it and is a bit more disorganized (but is eventually cleaned up and entered into the repository). Still there are other useful notes that cannot be easily transferred and so may be of use to anyone still exploring this device as well so enjoy!
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March 17, 2022
Exploring the advancements in MEMS technologies and microcontrollers within miniaturized quadrocopters.
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March 25, 2019
Notes on the interesting developments in Industrial Automation discussed in a presentation, including a new Machine Learning Appliance module integrated with PLCs.
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October 07, 2017
Extracting images from old gameboy camera carts using Arduino and a link cable.
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September 30, 2017
During electronex, I've made some notes on good designs shown below. These are good tips in general to keep in mind.
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October 27, 2015
A teardown of a cheap BLE tag purchased from eBay, exploring its internal components and potential for reprogramming.
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July 11, 2015
This is the second iteration of the saner bitfield project that you can find in this page. Unlike the first one, where an AVR IO register getter and setter are #define seperately.
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July 05, 2015
This note discusses observations on coding an AVR program, with details on Atmel Studio 6, port registers, and assembler directives (.equ).
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February 28, 2015
Had quite a close call with bricking my OpenPGP card which is specifically V2.0. To make it easier for those doing this in Windows (mostly for myself).
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February 24, 2015
This log explores the process of setting up, installing, and using an open-source privacy suite, including keyserver entries, openGPG smartcards, and email composition.
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February 13, 2015
Exploring the extension of the tap code to a 6x6 table and its various arrangements.
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February 12, 2015
Got a Smart Card Reader (Gemalto IDBridge CT30) for really cheap, but is frankly just too large. Would be nice to shrink it.
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January 14, 2015
Experimenting with CSS to style ASCII art and sharing the findings, including the handling of textual data within art and exclusion of ASCII diagrams from the style.
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January 10, 2015
A guide with notes on installing node.js and using the npm package manager.
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January 02, 2015
Creating an FM display to show a log of the Radio Data System (RDS) signal included in broadcast FM stations using the RDA5807M chip, which has RDS decoding capability baked into the device. Despite the lack of documentation for the cheap radio module (PCB model RRD-102 V2.0), the pinout has been traced out using the datasheet. The resulting pinout is provided, along with a note about the device being a 3.0V device and requiring appropriate VCC input. Future plans involve communicating with the module.
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December 31, 2014
A reverse engineering log for interfacing directly with a Posiflex PP7000II printer using an FTDI chip, for those hoping to interface to it via microcontroller platforms like Arduino, PIC, AVR, or Raspberry Pi.
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December 03, 2014
Options for truncating blog posts in Jekyll to show on the front page view.
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December 02, 2014
Description of a USB type 1D barcode scanner, including model type MJ-4209, version control, manual, and pinout.
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December 01, 2014
Introduction to the ESP8266 wifi module and its initial configuration using serial communication.
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November 24, 2014
A collection of JavaScript programming toys for creating algorithmic art using code. Includes files for image and music generation, as well as a demonstration of how to utilize the window location hash in a URL to store data for a fully JavaScript based website.
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November 24, 2014
A mishmash of various codes to create a platform for semi real-time chat using text to speech, designed by Brian Khuu in 2014.
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November 24, 2014
A python script providing a GUI frontend for the command line tool diff-pdf, allowing for easy comparison of PDF files.
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November 24, 2014
I am converting the site to Jekyll to avoid maintaining custom PHP files and for improved security. However, setting up Jekyll in Windows has been challenging. Provided links for reference.
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November 24, 2014
Learn how to temporarily change the date on a Windows 7 computer using a simple batch file.
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June 30, 2014
Continuation of the TL-WR703n experiment, attempting to flash the device using different methods and encountering issues with the USB to Ethernet adapter
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June 28, 2014
Version two of the parsedown based general .md file viewer with added support for Math Jax.
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June 28, 2014
Testing MathJax rendering support for this page. This page includes code for testing ASCIIMath and Tex/LaTeX support. It also highlights the settings chosen for MathJax.
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June 28, 2014
Exploring configuration and setup of a pirate box in a TL-WR703N with tips on using OpenWrt, UART port implementation, and USB mounting issues.
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June 15, 2014
A method to include a markdown file into a webpage using PHP include() command.
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June 15, 2014
A PHP script for displaying .md file content transparently via HTTP using Parsedown and mod_rewrite.
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June 15, 2014
Finally got the minimalistic flatfile blogging system completed.
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June 14, 2014
This is the first test post for this minimalistic blog. First overhaul of the website in a while.
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