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Valentin Kirov

Engineer, IT company owner, vintage tech enthusiast, HAM radio operator

Bulgaria
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valentin-kirov
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This user joined on 08/30/2018.

19.1k
95
67
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An easy to build homemade single board computer with a V20HL aka uPD70108H (8088 + 8080) or 80C88 CPU. CP/M-80 and CP/M-86 supported.
Project Owner Contributor

V20-MBC: a V20 (8088 + 8080) CPU homebrew computer

Just4FunJust4Fun

11.3k
146
15
88
Wifi-controlled, azimuth/elevation antenna rotator.
Project Owner Contributor

SATRAN - Satellite Tracking Antenna

Daniel NikolajsenDaniel Nikolajsen

8.9k
15
0
11
A blog about retro gaming mods
Project Owner Contributor

DarthCloud's Retro Gaming Room

Jacques GagnonJacques Gagnon

4k
4k
2
10
Datalogger WIFI and Bluetooth for the IOT product
Project Owner Contributor

IOT Datalogger

alpha le cielalpha le ciel

3.2k
21
5
16
The digital LED clock that your (great-) grandparents would have used without difficulties!
Project Owner Contributor

Great-Grandparents' Digital Dream Alarm Clock

Michael WesselMichael Wessel

1.6k
502
1
13
Minimal Z80 computer with CP/M
Project Owner Contributor

CP/M on a minimal Z80 Computer

Doctor VoltDoctor Volt

1.4k
11
1
12
Various DIY telephone exchange machines, large and small
Project Owner Contributor

Telephone exchange from scratch

dearuserhrondearuserhron

1.1k
1.1k
0
4
Hardware debouncing board and gamepad firmware for cheap nrf51822 modules.
Project Owner Contributor

Bluetooth Arcade Controller

Ozan ALTINKAYAOzan ALTINKAYA

926
926
1
13
I'm on vacation, not bored
Project Owner Contributor

a "true" in system programmer

davedarkodavedarko

787
787
0
3
diy 18650 size aprs bluetooth tnc for aprsdroid
Project Owner Contributor

lora aprs bluetooth tnc

APRS ALL IN ONEAPRS ALL IN ONE

764
764
0
4
Learn how to build your own cypto-mining rig to mine a cryptonote like Ether (Ethereum)
Project Owner Contributor

Building/Monitoring a Cryptocurrency Mining Farm

RaymondRaymond

692
692
2
9
Simple Breakout Board with Winbond Flash Onboard connected SPI1, Pins for SPI-LCD on SPI2 to transfer ColorFonts and BigFonts between them.
Project Owner Contributor

Stm32f103 LCD Breakout

SchuppSchupp

682
682
0
0
Something to make your life easier on the bed, when you have to switch off your tv and any other light in the house :-)
Project Owner Contributor

IR and NRF remote based on arduino

vdmj15vdmj15

629
480
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Convert Burk Radio Remote Control from 4 Wire control to Ethernet using Comtrol adapters
Project Owner Contributor

Reviving a 4 wire communication system

RoboMonkeyRoboMonkey

552
552
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2
very clever space and code optimized cpu
Project Owner Contributor

lcpu - One page (48 lines) myhdl hardware cpu

Norbert.FeurleNorbert.Feurle

429
430
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1
Monitor & optimize your utility consumption through this IoT Data Logger.
Project Owner Contributor

IoT Data Logger

AlliedCAlliedC

301
301
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2
I like this pixel art, I solved making this RGB LED Panel
Project Owner Contributor

RGB LED Panel 17x17

Douglas EstevesDouglas Esteves

271
795
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Access GPIO of Arduino from Raspberry Pi using Firmata & JAVA
Project Owner Contributor

Access GPIO of Arduino from Raspberry Pi

Bikash PandaBikash Panda

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