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Andy Geppert

Electronics hobbyist, maker, fixer, flyer.

Minneapolis, MN

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This user joined on 01/01/2017.

My Projects

Hackaday Prize 2019

Weave your own Core Memory to learn and hack!

Core 64: Interactive Core Memory Badge

What happens when you overlay LEDs with core memory?

Interactive Core Memory Shield Using LED Matrix

Projects I Contribute To

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

DEF CON 27 Official Badge Hacking

Things I've Built

Mountain Bike

Hovercraft

Projects I Like & Follow

Full-on Spotify scrolling and streaming via a Raspberry Pi Zero W and the original iPod clickwheel. Bluetooth, WiFi, and haptic feedback!!

sPot: Spotify in a 4th-gen iPod (2004)

Customizable OLED keyboard that adapts to the apps you use

Keybon – Adaptive Macro Keyboard

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

Motorized Walking ATAT using Servos and Arduino

Modern take on TIL311 and reimagination of #PICTIL optimized for easier production and lower part count

reTIL

Considerate conservation and climate science is on the horizon. These robots are developed to work in multi-species flocks for GOOD!

Project Bird Fish - Free Flight Robotics

Circuit sculpture jig consisting of a vacuum pump attached to a silicone pad to keep rods and SMD components in place when soldering them.

Soft Soldering Jig

This is a 8x8 WS2812b NeoPixel LED matrix that is completely flat surface and has the same 1.6mm height as a normal PCB

World's Slimmest NeoPixel LED Matrix

Small project inspired by #PIXIE. Software and Firmware compatible but using discrete LEDs instead of dot Matrix modules

COPXIE - chainable, dual 5*7 tiny led matrix

In this workshop, we’ll be building a firefly together with custom jigs, brass wire, and LEDs.

Remoticon: Circuit Sculpture Workshop

GPS Guided Parachute Recovery System

R2Home

Main Page: we can't wait to see you there!

2020 Remoticon: Pandemic Creativity! (start here)

2021 Hackaday Prize

World first Raspberry RP2040 PICO - QWERTY & IPS devkit

PICOmputer

RF is black magic and we're going to learn about it here!

Remoticon: Basics of RF Emissions Debugging

We're going to learn some techniques for reverse engineering 2-layer PCBs.

Remoticon: PCB Reverse Engineering

Hackaday Prize 2020

A Nixie Tube Watch run by Sparkfun's Artemis module. Machine learning, 3D printed enclosure, and features galore!

Artemis powered Nixie Tube watch

2021 Hackaday Prize

Exactly as the title says, these are a few retro led displays I've strung together to make 16x2 modules with some software I wrote

Retro Alphanumeric LED Displays + Libraries

sjm4306 sjm4306

IV-25 Display modules that support daisy chaining. Comes with its own ESP8266 Controller Board.

IV-25 VFD Display

Martin Schörner

This workshop will go over the basics of radio signals, how devices communicate, and best of all, how to act as one of those devices!

Radi-uhoh: What Is This SDR Thing and How Do I Use

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Bits