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Projects gkaufman likes and follows

2.6k
913
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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

210
214
12
The unit will fully and automatically analyse and audio amplifier. It measures DC offset, distortion and output power.
Project Owner Contributor

Audio Amplifier Analyser

danielDaniel

16.8k
148
116
An affordable Open Source Weather Station for Everyone
Project Owner Contributor

Solar Powered WiFi Weather Station V4.0

open-green-energyOpen Green Energy

31.2k
138
122
An easy to build homemade single board computer with a V20HL aka uPD70108H (8088 + 8080) or 80C88 CPU. CP/M-80, CP/M-86 and MSDOS supported.
Project Owner Contributor

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

just4funJust4Fun

9k
133
107
A digital VU meter that looks and moves like an analog needle with mass and spring oscillations
Project Owner Contributor

Digital VU Meter with Analog Physics

sjm4306sjm4306

33.5k
119
86
An easy to build homebrew SBC with a 68008 CPU. Two HW options: Lite and Full. Lite allows to build a 3 ICs 68008 system running CP/M-68K.
Project Owner Contributor

68k-MBC: a 3 ICs 68008 homebrew computer

just4funJust4Fun

8.4k
115
92
This tiny box can measure air temperature, humidity and pressure but also much more like CO, eCO2, NO2, NH3 and dust concentrations!
Project Owner Contributor

Solar Powered Air Quality Monitoring Station (IoT)

ovidiuOvidiu

12.2k
108
122
This is a Walking ATAT using 8 Servos. Great robotics project!
Project Owner Contributor

Motorized Walking ATAT using Servos and Arduino

luke-j-barkerLuke J. Barker

9k
58
56
Test any electronic component with this pocket component tester
Project Owner Contributor

Component Tester in a Keychain

akshay-bawejaAkshay Baweja

9.7k
47
40
Multi-emulation color stand-alone RS232 video terminal with sounds using an ESP32 and the FabGL library.
Project Owner Contributor

uTerm2-S: a multi-emulation color RS232 terminal

just4funJust4Fun

4.8k
36
57
A version of the classic arcade game Asteroids using a laser projector running on the ESP32.
Project Owner Contributor

Laser Projected Asteroids on the ESP32

chris-gChris G

2.5k
30
31
I am making a full sized Challenger 4P reproduction, a 6502 based personal computer from the late 1970s.
Project Owner Contributor

OSI Challenger 4P Reproduction

michael-gardiMichael Gardi

4.7k
27
20
A VT100-like RS232 terminal
Project Owner Contributor

uTerm-S

just4funJust4Fun

4.3k
26
19
Some months ago I found a "forgotten" Z8 BASIC/DEBUG (Z8671 aka Z0867108) MCU, so I decided to give it a new "home" (a board...)
Project Owner Contributor

RC-Z8BASIC: a Z8 BASIC/DEBUG homebrew computer

just4funJust4Fun

11k
24
21
Use a raspberry pi pico w and a magnetometer to keep an eye on water consumption, in real-time!
Project Owner Contributor

Water Meter Monitor with Raspberry Pi Pico W

sciencedude1990sciencedude1990

3k
18
15
ASCII terminal supporting VGA 640x480 with 256 colors and USB keyboard
Project Owner Contributor

Color ASCII Terminal

peter-hizalevPeter Hizalev

1.4k
16
15
A replica of the OSI 300 from Ohio Scientific: a 6502 trainer from 1977 with 128 bytes of RAM and binary switch programming
Project Owner Contributor

OSI 300 Replica

timTim

1.4k
15
15
I'm lazy and dont like to convert values in my head while programming or use windows calculator so I made a standalone widget!
Project Owner Contributor

Programmer's HBD Converter (Hex, Binary, Decimal)

sjm4306sjm4306

863
12
11
The successor of Scrumpel 7c on one Eurocard PCB
Project Owner Contributor

Scrumpel 7d Z8S180 SBC

nick-brokNick Brok

1.4k
12
11
A low cost and easy to build SPP (Standard Parallel Port) Printer Emulator Shield for Arduino UNO
Project Owner Contributor

Parallel Printer (SPP) Emulator Shield

just4funJust4Fun

169
2
4
An ongoing project incorporating linear snap action and rigid chain mechanisms.
Project Owner Contributor

Snake In A Basket

greg-zumwaltGreg Zumwalt

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