Overview Dated 1992y works perfectly! Several mods I change PSU from standard 42V to non original new one modern 220V. Video cable also altered to use SCART connector on monitor side. (Information about this is FAQ below) Links UKNC programms archive Archive Another FAQ Electronic mc0511 Another one FDC controller Photo
Overview I was order Macintosh LC. It was sold as worked computer, but based on photo I was see some capacitors was leaked. I hope it doesn’t affect and plan to repair it after, but … computer doesn’t work when I plug power and turn it on. No worries, I say, lets clean motherboard and recap it. Oh life is bad game, plans and reality sometimes completely different. After cleaning motherboard I found some legs on EGRET and 8L08A dc-dc convertor for PDS bus was absent due to capacitors acid....
Overview This is programmer for russian RT and RE fuse PROM chips with USB interface. I order clean pcb from chipkin and assemble. Case printed with fast speed on my Tronxy 3d printer. Assembling is a bit hard, small smd parts, lack of final documentation, but it possible. Btw, later I found video from Anatoly assembling this device from kit from kit8bit Supported chips 155РЕ3 (155RE3), western analogs SN74188N, N8223N...
Overview Hand-made new born fdc/hdc controller. Support floppy, hard drive and cf-card. I order clean pcb and solder myself. Now its work perfectly with original uknc computer from 1992. BOM file can be find here Firmware for re3 and rf2. To flash rom to rf5 or analogs just append binary twice cp rom-rf2.bin rom-rf2.bin rom-rf5.bin Photos Soldering process captured.
Enhanced flash floppy to change old 5.25 disk drives. Details at pcbway Firmware sources and many additioinal information available at github. Assembling in progress Photos up
Overview Open source implementation of an MSX2 compatible computer. The project is built using a combination of 1980’s era components - Z80 CPU, V9958 VDP, AY-3-8910/YM2149F PSG, 8255 PPI, 7400-series logic, and some newer components, such as 512 KiB SRAM and 512 KiB Flash ROM and a few simple programmable logic devices (ATF16V8B SPLDs). Author of this board Sergey Kiselev. Details and sources may be found at Sergey github My Board version 1....
Overview DivMMC compatible interface. Commercial version. I can’t find sources and schematics, but order board because it looks fine. Details about this board at site. Doesn’t solder yet. Photos up up
Overview Funny new bord games console Basic engine There is several version available. Basic engine RX, Basic engine classic and Basic engine shuttle. I was order Basic engine classic PCB and solder it by myself. Instruction how to solder here I finish soldering and now it works! Photos
Overview Radio86rk SD-Adapter. Based on Vinxru (Alexey Morozov) board. Details and source code may be found at Andy Karpov github. Compare to Vinxru board MCU was changed from Atmega8L to Atmega 328p. Photos adapter
Overview RTC ISA 8 bit pcb. Use DALLAS DS12885 and Atmel 16V8B. Details about this board at the hackaday. Now on github edited by sergey Kiselev, actually better than my with some functionaly improvements. GitHub with project sources available. Assebmling take one evening. Now done. Firmware for my version [std](/xt/rtc/RTC8088.jed] 240h 2c0h Photos step one (up) step two, last (up)