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Maarten Janssen

Software engineer, Arduino fanboy, maker of many things

Helmond, The Netherlands
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23 Followers
2 Following
8 Projects
205 Likes
maarten-janssen
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This user joined on 01/01/2016.

25.1k
1.3k
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An easy to use audio board with a YM3812 OPL2 chip like used in the Adlib and SoundBlaster cards from back in the day...
Project Owner Contributor

OPL2 Audio Board for Arduino & Raspberry Pi

maarten-janssenMaarten Janssen

54.6k
4.2k
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I came across a RDA5807FP chip in an old alarm clock and made it into a fully functioning radio with RDS functionality
Project Owner Contributor

Arduino Radio with RDS

maarten-janssenMaarten Janssen

4.1k
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The ultimate dual OPL3 MIDI syntesizer with touch screen
Project Owner Contributor

OPL Studio - OPL2 / OPL3 MIDI Synthesizer

maarten-janssenMaarten Janssen

7.9k
28
37
23
I tear down an old Philips VideoWRITER to see how it works
Project Owner Contributor

Anatomy of a Philips VideoWRITER

maarten-janssenMaarten Janssen

47
5
19
An easy to build Arduino based gaming device with 101x80 pixel 4096 color LCD, 8 buttons, sound and SD card.
Project Owner Contributor

NANO-4096

maarten-janssenMaarten Janssen

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A lantern with candle flame LED that automatically switches on and off around sunset and sunrise.
Project Owner Contributor

Sunrise / Sunset Lantern

maarten-janssenMaarten Janssen

View all 8 projects

  • Tindie
7.2k
450
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A place for Tindie sellers and the community to meet and stretch their legs
Project Owner Contributor

Tindie Dog Park

tindieTindie

1.1k
6
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3
This project is about upgrading an older prusa I3 that will meet the standards of newer generations 3D printers.
Project Owner Contributor

Prusa I3 upgrades

jeroenJeroen

27.9k
121
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A fully featured tape emulator for the C64 that loads TAP files from an SD Card and allows the user to interact via an LCD and button panel.
Project Owner Contributor

Tapuino, the $20 C64 Tape Emulator

peter-edwardsPeter Edwards

26.5k
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A flat-pack, desk-top Christmas tree. Costs the same as a lame card, but is way cooler.
Project Owner Contributor

Laser-cut, Mail-able Christmas Tree

usedbytesusedbytes

13.4k
27
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A beginners guide to adding a VFD display to your project or "How to make use of all those Cold War Era Russian tubes you bought on eBay"
Project Owner Contributor

Driving Vacuum Fluorescent Display Tubes

wkfayw_k_fay

12.9k
208
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An 8-bit computer based around an AVR ATMega-644 and junk-box SRAM.
Project Owner Contributor

Cat-644

marsMars

10.2k
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A vintage Z80 computer prototype, compatible with CP/M & Sinclair ZX Spectrum Operating Systems
Project Owner Contributor

"XOR Hobby", a Vintage Z80 Computer Prototype

rogeorgeRoGeorge

  • Tindie
7.2k
450
8
259
A place for Tindie sellers and the community to meet and stretch their legs
Project Owner Contributor

Tindie Dog Park

tindieTindie

5.8k
25
11
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A 6802 homebrew computer named PERSEUS-3 that was the basis of my PERSEUS series computers
Project Owner Contributor

PERSEUS-3 6802 homebrew computer

mitsuru-yamadaMitsuru Yamada

1.8k
231
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Homebrew Z80 board with 16KB ROM and 8KB RAM
Project Owner Contributor

Z80 Single Board Computer

tobias-rathjeTobias Rathje

1.1k
6
5
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This project is about upgrading an older prusa I3 that will meet the standards of newer generations 3D printers.
Project Owner Contributor

Prusa I3 upgrades

jeroenJeroen

606
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Parallel port sound card, successor to OPL2LPT, uses OPL3 FM synth chip
Project Owner Contributor

OPL3LPT : OPL3 FM synthesis sound on parallel port

serdefserdef

418
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A PAL-compatible display for the Microprofessor MPF-IB and MFP-IPlus
Project Owner Contributor

Remake VIDEO-MPF-I

fjkraanfjkraan

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Starhawk wrote 09/30/2022 at 10:40 • point

Sent you a PM about the VideoWRITER. Hope you can help!

  Are you sure? yes | no

Mitsuru Yamada wrote 02/12/2021 at 23:32 • point

Thank you for liking my #PERSEUS-3 6802 homebrew computer !

  Are you sure? yes | no

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