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Andy Geppert

Engineer, maker, fixer, flyer.

Minneapolis, MN
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9 Followers
41 Following
3 Projects
117 Likes
andy-geppert
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This user joined on 01/01/2017.

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Weave your own Core Memory to learn and hack!
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Core 64: Interactive Core Memory Badge

Andy GeppertAndy Geppert

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What happens when you overlay LEDs with core memory?
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Interactive Core Memory Shield Using LED Matrix

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Rotary phone dialer add-on!
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Supercon 2022 Badge Rotary Phone Dial

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Let's talk puzzles and the DEF CON 27 badge! Join this team to share and discuss.
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DEF CON 27 Official Badge Hacking

LutetiumLutetium

Things I've Built

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A Raspberry Pi Cyberdeck
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Free plans, .stls, and code to build and fly your own VTOL F-35
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PERSEUS-9 is a die-cast aluminum housing mobile computer having dual 6502 CPU, 48 keys and 40 x 7 LED character display.
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PERSEUS-9 homemade mobile 6502 computer

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After three years... Supercon again! And the new badge too!
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BADGE FOR SUPERCON.6 / November 2022

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An Open Source Ethernet controllable stepper motor. Easy interfacing with JSON and UDP from any device on the network in any language.
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Saving the planet, one obsolete chip at a time
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ABN6502 SBC R1

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TLDR: REDACTED is the first bipedal robot with an actual fully open-source software AND hardware stack.
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REDACTED - The First Fully Open Bipedal Robot

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Classic iPod mod with Raspberry Pi Zero and color screen. Suitable for OSMC and plain Raspbian install.
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ipodrpi

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This is the starter guide for the 2022 Hackaday Superconference badge, designed by Voja Antonic.
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2022 Hackaday Supercon 6 Badge Guide

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MRC6502 is a fantastic opportunity to learn more about digital electronics and 6502 assembly programming... step by step.
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A rotary circuit sculpture with four 555 Atari punk console synths made in brass.
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Boo buttons, yaay sharpies
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Musical instrument without batteries!, created with the motor of a PC CD player and a piano generated with the incredible 555
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6502 based learning in a familiar form factor
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65uino

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A fully open-source digital power electronics technology framework for fast prototyping switch-mode power supplies
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A sensor-packed "smartwatch" afflicted with poor wiring design choices, zero water/dust resistance, and massive feature creep.
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IP00-minus

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This LED panel is driven with a wireless microcontroller, displays time and weather.
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DIY Badge for Remoticon.2
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Remoticon 2 badge

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Anders Nielsen wrote 05/17/2023 at 15:26 • point

Thank you for liking and following my #65uino project!
I'm trying to keep the current version a bit artificially constrained, but I might try to connect the usual R/W line for the 5V programmable EEPROMS. Of course that won't do much for the 13.5V erase voltage EEPROMS like the w27c512. 
Of course my "full size" 6502 computer, the #ABN6502 SBC R1  does a lot more than the 'uino :)

  Are you sure? yes | no

Mitsuru Yamada wrote 10/15/2022 at 05:09 • point

Thank you for liking and following my #PERSEUS-9 homemade mobile 6502 computer ! For the past two weeks, I have been closely examining the behavior of the on-board interpreter. Today, I feel honored to receive the news of the Cyberdeck Contest award.

  Are you sure? yes | no

Dr. Cockroach wrote 11/03/2021 at 19:16 • point

Thank you for the Like and follow of #LLTP - Light Logic Transistorless Processor 

  Are you sure? yes | no

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