Older blog entries for svo (starting at number 61)

Delta Robot Analysis and Simulation

Analysis, analytical inverse kinematics solution of a delta robot, accompanied with a beautiful delta robot simulation that allows to play with a robot and lets you modify all imaginable parameters.



Delta Robot analysis and simulation - Link

Syndicated 2010-03-24 23:45:44 from svo's interactive persuasion vehicle

Strobeshnik

Strobeshnik is a stroboscopic digital clock made from an old HDD.

Strobeshnik

Strobeshnik project writeup

Syndicated 2010-03-06 22:26:41 from svo's interactive persuasion vehicle

A Nixie Clock in A

The incredibly compact IN-14 based nixie clock in a Marine Band harmonica case. It shares the same code as my previous clock, Satashnik. The circuit is mostly the same, except that it's changed for IN-14's and made to fit in the tight space of harmonica case.
Harmoshnik, Nixie Clock in A

Eagle stuff is here.
Source code: Harmoshnik updates follow the Satashnik tag. This time I've had a chip that needed some serious calibration for its RC oscillator, the code update is mostly about that.

Syndicated 2010-02-18 13:31:17 from svo's interactive persuasion vehicle

Satashnik

The IN-2 Nixie Clock is complete. This is a very compact clock, too.
Satashnik

Project writeup

Syndicated 2010-01-26 22:23:20 from svo's interactive persuasion vehicle

18 Jan 2010 (updated 18 Jan 2010 at 02:21 UTC) »

What's cooking...

New, multiplexed design with only one ИД1 and unique tunnel-vision ИН-2's.

Satashnik (IN-2, Muxed)

And BTW, IN-2 footprint was updated in the library. If you started a design already, update before it's too late.

Link: [lbr] (click View Raw File to download the lbr)

Syndicated 2010-01-18 02:11:16 from svo's interactive persuasion vehicle

Eagle CAD library with Russian Nixies



A library with Russian nixie tubes. This .lbr includes: IN-2, IN-8-2, IN-14, IN-17. Only IN-8-2 is verified by a working design so far.

Библиотека с индикаторами ИН-2, ИН-8-2, ИН-14, ИН-17. Пока только ИН-8-2 были проверены работающей схемой.

Link: [lbr] (click View Raw File to download the lbr)

Syndicated 2009-12-16 01:59:10 from svo's interactive persuasion vehicle

Никсиклок «Паташник»

Patashnik Nixie Clock: Finished

Часы на газоразрядных индикаторах ИН-8-2 «Паташник» с высокоточными часами реального времени DS3234.

"Patashnik" is a nixie clock with DS3234 RTC.

Patashnik

Syndicated 2009-12-11 15:34:40 from svo's interactive persuasion vehicle

[M]ouse connects a PS/2 mouse to Commodore 64

[M]ouse: PS/2 to C64 adapter

This adapter lets you plug a PS/2 mouse in a C64 and use it with mousing graphics editors or GEOS. It emulates both propoprtional (analog) and joystick modes of Commodore 1351 mouse. Full schematic and source code available.

[M]ouse: project description and downloads

Syndicated 2009-11-14 00:01:15 from svo's interactive persuasion vehicle

Hacking with Style: TrueType VT220 Font


I spent some time looking around the net to find a font that mimics DEC VT220 terminal glyph appearance. There is none. There are some old bitmapped fonts from X11 and probably early MacOS distributions that claim to be DEC fonts, they are functional but their visual quality is lacking and nostalgic value is absent. What I wanted is a font that fills my virtual terminal window with the magic hacking glow...

Font and making How-To

Фонт и краткое описание технологии

Syndicated 2009-10-13 23:50:28 from svo's interactive persuasion vehicle

Цветной композитный PAL-выход для Altera DE1


Накладки во время cc'09 сподвигли меня на реализацию кодера композитного видеосигнала для vector06cc. Небольшая заметка о том, как это было сделано. Без особых подробностей, скорее не руководство, а чтобы самому не забыть. Но вдруг кому пригодится:
ПАЛ-кодер на Altera DE1

Problems with nonstandard VGA output on my Vector-06C FPGA replica made me implement composite PAL output. DE1 board has enough resources to throw in full-colour PAL signal without any additional components. R,G,B wires of VGA output are connected together to cope with 75 ohm load, the rest is done in verilog. This short writeup is Russian-only because there seems to be enough PAL-related info readily available in English. All source code is available in the main vector06cc source tree.

Syndicated 2009-09-28 22:21:25 from svo's interactive persuasion vehicle

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