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Bob Mason

A hobbyist that started in the '70s with tube, discrete transistor and 7400 series logic circuits. Love old test equipment.

Sol 3

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This user joined on 10/04/2015.

Things I've Built

Heathkits

Built Heathkit bench DVM and computer (H89A). Still have both!

Solid State O'Scope

Built a solid state scope with a 16x16 LED display and flash A/D converter, from the schematic in Popular Electronics, in the late '70s.

Projects I Like & Follow

A portable, rugged, self-contained system to suit all your RF SIGINT needs in every environment.

Raspberry Pi SDR Cyberdeck

tom-mladenov Tom Mladenov

A 252 electromagnet-matrix that controls Ferrofluid

Fetch: A Ferrofluid Display

applied-procrastination Applied Procrastination

We've been waiting a long time for someone to post the plans of a working LiDAR. Is it really going to happen?

Open Source LiDAR - Unruly

laser-developer Laser Developer

An ESP8266 , a ILI9341 display, a few buttons to build a working ZX Spectrum

ZX Spectrum emulator with ESP8266

This is a Walking ATAT using 8 Servos. Great robotics project!

Motorized Walking ATAT using Servos and Arduino

luke-j-barker Luke J. Barker

AIRAMP is a retro style music MP3 player for desktop based on the legendary Winamp media player software...

AIRAMP MP3: Bringing Winamp Into The Real World!

victor-serrano Victor Serrano

A marker pen sized Geiger counter with up to 12 months battery life from 2xLR44, based on STM8L152K4 microcontroller

Compact, low-power Geiger counter

Smartwatch wearable, ultra-long life measured in years, no need to recharge.

Smartwatch 10 Years Ultra-Long Battery Life

Fast, small, available. Pick any three.

CP/M 50 Mk II

A reprogrammable replica of the famous TIL311

DIYTIL311

jacob-still Jacob Still

What happens when you overlay LEDs with core memory?

Interactive Core Memory Shield Using LED Matrix

andy-geppert Andy Geppert

An infinity mirror watch.

Vortex Watch

Measuring radioactivity without need of Geiger tube.

Nuclear radiation sensor with photodiode detector

My take on Ben Eater's breadboard computer

8-bit breadboard TTL CPU

ruud-van-falier Ruud van Falier

A 3D printed drone with an added pusher motor

3D Printable VTOL EDF Jet

harry-gao Harry Gao

ESP-01 ESP8266 can be used as a stand-alone device to control a RGB led cube 4x4x4.

ESP-01 CONTROL RGB LED CUBE 4x4x4

tuenhin2012 tuenhi.n2012

A TTL/CMOS based clock that displays the time along a 60 LED bargraph.

TTL/CMOS Linear LED Clock

An 37C65 Based Floppy Disk Interface

Floppy Controller for RC2014

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Bits

VALENTINE wrote 11/23/2023 at 17:42

Thank you, Cheers, Valentine

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Jacob Still wrote 07/12/2019 at 00:07

Bob, thanks for folling and liking #DIYTIL311 !

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Laser Developer wrote 01/24/2019 at 04:04

Thanks for liking and following Open Source LiDAR - Unruly! My first LiDAR designed in the early 80s used ECL logic so I totally understand your interest in good old fashioned discrete hardware. Please tell all your friends about our project and we may be able to offer it as an educational kit or complete product :).

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