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

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      \/__________________________________________________________/ ~2019
                                                         
	

Welcome to Polprog's site.

Electronics, computers, optics and photography

Go to:

* Youtube channel
* GitHub
`-> STM8 Hitachi HD44780 LCD library

* SoundCloud

* Stuff

* Pictures

* ASCII Art colorizer project

Blog

Electronics and programming:

* NEW! DIY wire wrapping tool from a ballpoint pen
* Thyristor oscillators, interesting relaxation oscillator circuit
* Building a 5 ns signal generator, a journey into the 74ACxx series and homemade PCB etching
* Easy LC circuits: part 1 - theory and part 2 - examples
* RS485 example implementation for AVR and Linux
* NEW! PCF2111 LCD driver code for STM32

* Visible + IR reverse biased PN junction photography
* AVR and Linux Serial Communication HOWTO
* AVR Assembly Crash-course
* Building a linear actuator servo
* DDD tips and tricks
* Dumping flash from a WAG54G ADSL Gateway

Analogue video and imaging:

* NEW! Modifying a CS-mount camera to use a C-mount lens...
`-> NEW! ... 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

* Project Modemsurfer - Linux on a Thinkpad 600x
* 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
* Installing NetBSD on Wyse Winterm s10
* My NetBSD post-install tweaks
* NetBSD assembly programming without libc
* How to reset a lost UNIX password