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Andy Geppert

Engineer, maker, fixer, flyer.

Minneapolis, MN
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26 Followers
49 Following
12 Projects
262 Likes
andy-geppert
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This user joined on 01/01/2017.

6.4k
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Weave your own Core Memory to learn and hack!
Project Owner Contributor

Core 64: Interactive Core Memory Badge

andy-geppertAndy Geppert

7.6k
60
2
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Learn how to build your own brushless motor and control it with a Brushless Biz Card!
Project Owner Contributor

Brushless Motor and Driver Business Card Kit

andy-geppertAndy Geppert

4.1k
26
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What happens when you overlay LEDs with core memory?
Project Owner Contributor

Interactive Core Memory Shield Using LED Matrix

andy-geppertAndy Geppert

1.5k
17
2
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Add a nibble of Interactive Core Memory to your project!
Project Owner Contributor

SAO Core4 - A Nibble of Core Memory with I2C

andy-geppertAndy Geppert

628
11
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No explanation needed!
Project Owner Contributor

Etch sAo Sketch

andy-geppertAndy Geppert

955
270
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Core16 makes it easier to get started weaving your own Interactive Core Memory. You can do a lot of fun stuff with it after it is assembled!
Project Owner Contributor

Core16: Interactive Core Memory Made Smaller

andy-geppertAndy Geppert

View all 12 projects

4.7k
167
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Let's talk puzzles and the DEF CON 27 badge! Join this team to share and discuss.
Project Owner Contributor

DEF CON 27 Official Badge Hacking

lutetiumLutetium

1.2k
13
2
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"Etch A Sketch" style frame and function for the badge from Hackaday Supercon 2023
Project Owner Contributor

Hack A Sketch

jeremygeppertjeremy.geppert

Things I've Built

Mountain Bike

Hovercraft

2.4k
27
2
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SAO that adds Lora Communication
Project Owner Contributor

SAO Lora Walkie Talkie

jeremygeppertjeremy.geppert

1.9k
24
4
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A retro analog-digital timepiece using discrete logic chips dating back to 1983 and before.
Project Owner Contributor

LogiClock

will-kalmanWill Kalman

1.9k
13
2
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No code, no PCB, just a Shitty Add-On for Supercon living in the moment
Project Owner Contributor

NixieSAO

kevin-santo-cappuccioKevin Santo Cappuccio

1.5k
14
1
21
A SAO with circular capacitive touch for digital scratching of vinyl records. Wacka-wacka!
Project Owner Contributor

Record Scratch SAO

applied-procrastinationApplied Procrastination

1.4k
16
12
17
First PCB board design and SAO in one project motivated by Supercon 2024
Project Owner Contributor

SAO Speak and Spell

jeremygeppertjeremy.geppert

1.4k
11
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A 0.66" I2C OLED display as a Simple Add-on.
Project Owner Contributor

Mini OLED SAO

dehipudeʃhipu

951
8
1
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Full RetroPie functionality via a Raspberry Pi Zero 2w with the iPod clickwheel + bluetooth, wifi, and micro-usb charging
Project Owner Contributor

Apple Game Boy: 2004 iPod running RetroPie

russell-tabataRussell Tabata

657
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A smartphone gamepad you always carry with you
Project Owner Contributor

The CoverBoy smartphone gamepad

dinoflyDinofly

524
17
3
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Mini playable Vectrex SAO with charliplexed LED display
Project Owner Contributor

Vectrex SAO

brett-walachBrett Walach

363
8
2
11
Bus Pirate 5+ adapter to work with multiple SAOs.
Project Owner Contributor

SAO Plank for Bus Pirate

tom-nardiTom Nardi

326
6
2
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The world s most difficult to manufacture blinkenlight. SAO using the massive overkill that is an ASIC to control a single RGB LED.
Project Owner Contributor

Blinkencap

pat-deeganPat Deegan

287
6
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this is an adapter for a generic DS3231 module that features an AT24C32
Project Owner Contributor

The Schedule SAO

davedarkodavedarko

265
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A small OLED nametag addon that keeps your name always upright.
Project Owner Contributor

GAT Nametag SC8

truetrue

213
7
4
16
SAOs with glowing rubber duckies
Project Owner Contributor

duckGLOW SAO

adrian-studerAdrian Studer

84
1
1
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An electronic badge created for the folks behind SomaFM.
Project Owner Contributor

SomaFM Badge

tom-nardiTom Nardi

75
3
0
3
SAO to mikroBUS and Qwiic adapter board
Project Owner Contributor

SAO Explorer

chris-wilsonChris Wilson

67
2
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SAO Adapter Board
Project Owner Contributor

SAO'Nex

jeremygeppertjeremy.geppert

7
0
10
Robot buddy addon that can test diodes and continuity.
Project Owner Contributor

TEST-O the Test Robot Addon

truetrue

View all

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Bits

Mitsuru Yamada wrote 08/18/2023 at 00:09 • point

Thank you for liking my #PERSEUS-9 2023 Update! I summarized the development contents that improved the completeness of this computer system during the past year.

  Are you sure? yes | no

Andy Geppert wrote 08/18/2023 at 01:15 • point

Are you planning to attend Supercon with the PERSEUS-9 this fall?

  Are you sure? yes | no

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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