Opening connection to polprog.net:443.. Remote system type is UNIX. Reading MOTD...
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*** Welcome to Polprog's site. ***

polprog@polprog~$: ./homepage.sh --art --links

Electronics, computers, photonics and photography

* About me / Contact

* Youtube channel * GitHub * Mastodon * SoundCloud * Stuff * Pictures * Friends *

Digital Electronics and programming:

* NEW! 8 instruction set ISA (experimental)
* NEW! Porting U-Boot to mini210 single board computer
* 8051 FPGA implementation on a common LED controller board
* Sound Blaster Audigy 2 ZS reverse engineering notes
* Visible + IR reverse biased PN junction photography


* RS485 example implementation for AVR and Linux
* AVR and Linux Serial Communication HOWTO
* AVR Assembly Crash-course
* PCF2111 LCD driver code for STM32
* Building a linear actuator servo
* DDD tips and tricks
* Dumping flash from a WAG54G ADSL Gateway
* Tester tranzystorow AVR - historia jednego projektu (in polish)
* Wire wrapping tool from a ballpoint pen

* [TXT] Quantum Circuits cheat sheet for Wolfram Mathematica

Software tools:

* Mutable programs - a guide to simple polymorphism [tmp.out zine]
* RomView - ROM and image file analysis toolkit
* TENT - temporary ephemeral network toolkit
`- blog entry...

Analogue electronics:

* NEW! Satellite LNB hacking, building a microwave link in the Ku band
* Building a 5 ns signal generator, a journey into the 74ACxx series and homemade PCB etching
* Thyristor oscillators
* NEW! 74LS04 as an analog amplifier with bandwidth measurements
* Easy LC circuits: part 1 - theory and part 2 - examples

Analogue video and imaging:

* Modifying a CS-mount camera to use a C-mount lens...
`-> ... and testing the quality of the images it now produces
* Decostructing images and the YCC color model
* Generating faux analogue video images with python
* Getting a 4 channel saa7134-based capture card to work on Linux

Computers and UNIX systems:

* Polprog's Am5x86 based retro UNIX build log
+-> BSD/OS 4.2 page
`-> MS-DOS 6.22 Live boot floppy for all your obscure electronic needs

* NEW! Sendbajt Group History (polish) :)
* Wyse Winterm S10 - hardware information and NetBSD install
* NEW! Alix 2C and 3D single board computers, minimal modern Linux OS
* Siemens COROS LS-B/FlexOS gallery
* Step-by-step guide for aligning heads on floppy drives
* Project Modemsurfer - Linux on a Thinkpad 600x
* ASCII Art colorizer project
* How to reset a lost UNIX password
* Playing with a Compaq System I/O Board - huge PCI card! and how to get it to work on any PC
* How to set up a temporary DHCP and FTP server
* Short guide to setting up Linux as an SMB client
* What's a CMOS battery for? - Sun Ultra 1 NVRAM fix

* HAXM on NetBSD HOWTO
* My NetBSD post-install tweaks
* NetBSD assembly programming without libc