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Projects Keri Szafir likes and follows

3k
2.5k
34
Bringing a vintage DIY binary counting computer back to life
Project Owner Contributor

Restoring the TRANSBINIAC computer

johnJohn

1.9k
1.9k
6
This smart relay can sense the room temperature and sunlight to turn on and off the fan and light bulb. You can monitor the same from mobile
Project Owner Contributor

IoT Based Home Automation With Blynk and NodeMCU

subhajitSubhajit

2.3k
1.4k
15
A home brew 2716 (16kbit) PROM programmer performs by setting addresses and data with toggle switches byte by byte
Project Owner Contributor

Fully manual PROM programmer

mitsuru-yamadaMitsuru Yamada

2.7k
1.1k
22
FFT spectrum analyzer is an test equipment that uses Fourier analysis and digital signal processing techniques to provide spectrum analysis.
Project Owner Contributor

DIY FFT Audio Spectrum Analyzer

mircemkmircemk

770
763
14
Introducing the Arduino Lo-Fi Guide to the Orchestra
Project Owner Contributor

The Lo-Fi Guide to the Orchestra

kevinKevin

5.2k
271
77
A clock that uses a magnetically driven tuning fork to keep time!
Project Owner Contributor

Tuning Fork Clock

kris-slykaKris Slyka

9.8k
65
79
A minimal 6502 computer that can be programed machine language without PCs
Project Owner Contributor

6502 standalone computer

mitsuru-yamadaMitsuru Yamada

12.3k
63
58
The Weather STAR 4000: A Journey of reverse engineering the hardware to an iconic machine of the 1980s/90s.
Project Owner Contributor

Reverse Engineering The Weather STAR 4000

techknighttechknight

8.6k
60
90
An RS232C serial terminal using MC6802 & LED dot matrix display modules
Project Owner Contributor

6802 Serial Terminal

mitsuru-yamadaMitsuru Yamada

2.6k
52
45
A clock design with self-dimming LED display constructed using just 7400 logic ICs and no microcontrollers
Project Owner Contributor

A zero-software digital clock from scratch

erik-van-zijstErik van Zijst

21.6k
49
42
A tiny low voltage tube guitar amp!
Project Owner Contributor

The Milli-Amp

kris-slykaKris Slyka

3.1k
43
46
My attempt to create a CPU/MCU without transistors or relays
Project Owner Contributor

LLTP - Light Logic Transistorless Processor

dr-cockroachDr. Cockroach

6.1k
28
40
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

3.1k
19
19
To mount on a Ultrasonic Cleaning Machine so your records spin slowly while you enjoy another clean and crisp sounding record.
Project Owner Contributor

Lego edgedriven Ultrasonic Cleaner spinning device

bas-van-lieshoutBas van lieshout

2.2k
11
19
6502 Computer runs RPN fixed-point calculator in machine language
Project Owner Contributor

6502 Computer runs calculator

mitsuru-yamadaMitsuru Yamada

2.8k
11
27
Using Nixie tubes and 10 TTL/CMOS standard logics, homemade digital clock has been running continuously for three years
Project Owner Contributor

Nixie Clock by TTL/CMOS

mitsuru-yamadaMitsuru Yamada

1.4k
8
9
Inspired by an invention of Mr. Carlson´s Lab
Project Owner Contributor

Current Limiting Isolation Transformer

donnie-agemaDonnie Agema

2.3k
4
20
A rethink of the number of segments required to display a digit
Project Owner Contributor

6 segments suffice

ken-yapKen Yap

662
4
7
An external ROM module can be connected a parallel interface of “6502 standalone computer” and can be used to load programs
Project Owner Contributor

ROM module for 6502 standalone computer

mitsuru-yamadaMitsuru Yamada

73
0
1
Just a simple box to switch lighting on my bench
Project Owner Contributor

Remote power switch

quinnQuinn

259
0
4
A quick bodge to create a motorized backdrop that can switch colors
Project Owner Contributor

Motorized Dual Color Zoom Backdrop

quinnQuinn

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