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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

What happens when you overlay LEDs with core memory?

Interactive Core Memory Shield Using LED Matrix

Hackaday Prize 2019

Interact with Core Memory to explore, learn and inspire.

Core 64: Interactive Core Memory Badge

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

IP over 430MHz Ham Radio, up to 500kbps, 20W RF. Extension for HSMM-Hamnet-AREDN. 100% open-source.

NPR New Packet Radio

A 252 electromagnet-matrix that controls Ferrofluid

Fetch: A Ferrofluid Display

Applied Procrastination

cordwood + smt + jewelry + blinkies + zinc-air batteries

cyborg ring

Hackaday Prize 2019

Small and powerfull controlling unit powerd from USB-C-PD

USB-C-PD Soldering Pen for Weller RT Tips

Thomas Leputsch

Open-source wire bending CNC machine for wires at 1mm and less in diameter.

Precise Wire Bending Machine

A kick-ass powered ARM board with everything you need all in a compact package that fits in your pocket.

Thunder pack

A Li-ion battery pack which can be charged from an 18V solar panel and can output 230VAC through an Inverter.

Backup Battery Pack

Anuradha Gunawardana

Using a 1979 Ariens chassis, but replacing the small engine with a DC motor

Electric Snowblower Conversion

ATTiny841 based wrist watch for 9 year old

Vlad's Round Watch

Dead bug style LM386 audio amp circuit inside a human figure made of copper wire.

Audio Man Circuit Sculpture

A custom designed retropie / emulation handheld.

simplyRetro Z5

Hackaday Prize 2019

A new take on the LED coaster with wireless power charging and supercapacitor energy storage.

LED Coaster - Wireless/Batteryless

Scott Clandinin

Classic CPU as an "Arduino style" microcontroller

6502 retro controller board

Hackaday Prize 2019

USB powered and easy upgradable SAM D11 based controller

DIXI RT - USB soldering pen for WELLER RT

hack some standard replacement batteries for my mobile laboratory

mobile power supply

A 3D Printable Model for a TS100 case

TS100 Custom Replacement Case

Retro computer utilizing classic MOS6502 microprocessor.

6502 retro computer

Use a 33 cent microcontroller to convert an SPI data stream into a stream of pulses that can control a string of NeoPixels

SPI to NeoPixel Adapter

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Bits