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Eric Ljungquist

Hobbyist interested in electronic hardware design with a minor interest in doing software projects from time to time.

Pittsburgh, PA
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21 Following
6 Projects
15 Likes
eric-ljungquist
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This user joined on 01/26/2022.

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An asynchronous serial transmitter using only mosfets, resistors, capacitors, and diodes as building blocks.
Project Owner Contributor

Serial Transmitter Using Discrete Parts

eric-ljungquistEric Ljungquist

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My own version of a Simon type game in business card form.
Project Owner Contributor

PCB Business Card: Simon Game

eric-ljungquistEric Ljungquist

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A script to generate project boxes in JSCAD.
Project Owner Contributor

JSCAD Project Box Generator

eric-ljungquistEric Ljungquist

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A discrete component solution to convert 4-bit binary to 7-segment display signals.
Project Owner Contributor

Binary to Hex 7-Segment Decoder w/ Discrete Parts

eric-ljungquistEric Ljungquist

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A shield that adds a 40 pin ZIF Socket to an Arduino Mega 2560.
Project Owner Contributor

Arduino Mega 2560 ZIF Socket Shield

eric-ljungquistEric Ljungquist

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Adding a 12 volt pump kit and a battery to an old garden sprayer.
Project Owner Contributor

Battery Powered Mobile Washer

eric-ljungquistEric Ljungquist

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Follow for the 'Hacklet' and latest news about hackaday.io
Project Owner Contributor

Hackaday.io Project

lutetiumLutetium

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Multi-year always-on LED replacements for gaseous tritium light sources
Project Owner Contributor

TritiLED

ted-yapoTed Yapo

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An affordable Arduino controlled multipurpose laser exposing device. Use it for SLA Printers, PCB Exposing, Laser Harp etc.
Project Owner Contributor

OpenExposer

mario-lukasMario Lukas

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bringing additive manufacturing to the next level
Project Owner Contributor

prism laser scanner

hexastormHexastorm

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<1.5µA current consumption when continuously on, optional flashing mode
Project Owner Contributor

Ultra low power LED

christoph-tackChristoph Tack

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This PCB footprint allows you to use 3mm x 6mm edge of PCB and a SOIC-8 clip as a cheap and space-efficient connector
Project Owner Contributor

SOICbite Programming/Debug Connector Footprint

simon-merrettSimon Merrett

4.7k
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ATtiny45-based Ripoff of Ted Yapo's TritiLED
Project Owner Contributor

ATtiny45 EverLED

elliot-williamsElliot Williams

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Two 1.3" low cost 240x240 LCDs are used to create a 3D Display that needs no glasses.
Project Owner Contributor

DIY Arduino Parallax 3D Display

madaeonMadaeon

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I still can't believe it's working.
Project Owner Contributor

A different kind of programmable LED

sam-ettingerSam Ettinger

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A few months ago I discovered "How to Build a Digital Computer That Works" and got excited about the project.
Project Owner Contributor

PaperClip Computer

marceloMarcelo

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A simple concept to localize a robot within some few meters with help of some external references (mirror)
Project Owner Contributor

Low cost Robot Localisation System (LRLS)

stefanStefan

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Using a mix of traditional painting materials and modern technology to create artworks that display and/or respond to data.
Project Owner Contributor

Responsive Paintings

lauraLaura

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A wood paint that is cheap, durable and easy to make at home with readily available and "non toxic" material
Project Owner Contributor

Durable Wood paint

nathannNathann

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I followed a build from the DIY Perks YouTube channel to create my own high quality microphone
Project Owner Contributor

High Quality DIY Microphone

timTim

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Want to get a perfect cover photo for your project page?
Project Owner Contributor

HACKADAY.IO COVER PHOTO TEMPLATE

daniel-fraustoDaniel Frausto

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Visualize 'em if you got 'em!
Project Owner Contributor

Music Stem Visualizer

gina-collecchiaGina Collecchia

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Yann Guidon / YGDES wrote 06/08/2023 at 23:37 • point

Hey ! Looks like you're a TTLer too ! :-D

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