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Projects Nijssen likes and follows

3.9k
2.1k
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A modern MCU-based hardware replacement for the venerable TMC1501 used in the Texas Instruments TI-57 LED calculator.
Project Owner Contributor

TI-57 Programmable Calculator Hardware Retrofit

tomcircuittomcircuit

71.9k
2k
295
Wearable prototype breadboard used as LED wristwatch
Project Owner Contributor

Breadboard Wristwatch

ingeInge

808
682
8
An old-school style electronics lab to learn about transistor-based logic gates.
Project Owner Contributor

Transistor Logic Gates Lab

deftcoyotedeftcoyote

8.5k
28
30
Texas Instruments TMS9918/9118 can be used with convenient 32K SRAM instead of 4K/16K DRAM
Project Owner Contributor

TMS9918 VDP with SRAM video memory

tomcircuittomcircuit

6.6k
19
19
Reverse-engineering (mostly-)cheap eBay finds
Project Owner Contributor

Avionics + mil-spec teardowns

don-straneyDon Straney

983
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12
By following these steps, you can create professional-looking, durable housings
Project Owner Contributor

How to make Professional Enclosures

mircemkmircemk

856
14
10
Fully functional scanner, inspired by Star Trek's Tricorder
Project Owner Contributor

Omni-corder

motleyMotley

1.5k
13
10
A Curiously Minty Linux Computer Inside an Altoids Tin
Project Owner Contributor

Altoids Tin Mini-Cyberdeck

exercising-ingenuityExercising Ingenuity

1.7k
9
12
Intel 4004 single board computer running calculator program, VTL interpreter, 8080 emulator, and so on
Project Owner Contributor

Intel 4004 Homebrew Computer

ryo-mukaiRyo Mukai

891
9
17
Little 68k Brother is watching your Smart Home.
Project Owner Contributor

Cydintosh: Retro Mac Emu meets IoT Smart Home

likeabloblikeablob

1.8k
7
9
Super Game Boy with an Electroluminescent screen
Project Owner Contributor

Electroluminescent screen Big Game Boy

lcldiyLCLDIY

2.3k
6
12
The Ultimate DIY Lo-Fi Machine: Cassette, Bluetooth & Glowing VU Meter
Project Owner Contributor

Music Streaming But From Cassette Tape

julius-curtJulius Curt

1.3k
4
3
Yet another 555 timer built from discrete components.
Project Owner Contributor

Discrete 555 Timer

kuroKuro

335
3
2
A fully featured, open-source USB Power Delivery protocol/power analyzer and programmable sink for testing, logging, and debug.
Project Owner Contributor

Dr. PD USB-PD protocol analyzer

marco-tabiniMarco Tabini

414
3
3
Plug in your USB-to-serial adapter → Click "Connect" → Talk to your ESP32/Arduino/STM32/Sensor. Send raw HEX or ASCII, save the logs.
Project Owner Contributor

Web UART Terminal - Easy to use

aleksei-tertychnyiAleksei Tertychnyi

246
2
3
A non-intrusive GPIB pass-through adapter exposing all bus lines
Project Owner Contributor

GPIB Tap

dethmer-kupersDethmer Kupers

54
2
3
Hang on, is that a display on your wall?
Project Owner Contributor

Vertical LED digit display boards

ken-yapKen Yap

1.3k
1
2
A discrete component solution to convert 4-bit binary to 7-segment display signals.
Project Owner Contributor

Binary to Hex 7-Segment Decoder w/ Discrete Parts

eric-ljungquistEric Ljungquist

545
1
3
It's annoying to guess at the brightness of an indicator when calculating for an LED.
Project Owner Contributor

Why I built an LED luminosity tuner

charlie-kimCharlie Kim

274
0
1
Universal Logic Units are modular digital building blocks. See it as digital Lego.
Project Owner Contributor

ULU - Universal Logic Units

jeroen-brinkmanJeroen Brinkman

88
0
1
See logic happen. This 3-bit relay adder uses diode grids and relays to show the steps of binary addition
Project Owner Contributor

A 3-Bit Visual Binary Relay Adder

jeroen-brinkmanJeroen Brinkman

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