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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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This user joined on 01/26/2022.

My Projects

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

Serial Transmitter Using Discrete Parts

eric-ljungquist Eric Ljungquist

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

PCB Business Card: Simon Game

eric-ljungquist Eric Ljungquist

A script to generate project boxes in JSCAD.

JSCAD Project Box Generator

eric-ljungquist Eric Ljungquist

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

Binary to Hex 7-Segment Decoder w/ Discrete Parts

eric-ljungquist Eric Ljungquist

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

Arduino Mega 2560 ZIF Socket Shield

eric-ljungquist Eric Ljungquist

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

Battery Powered Mobile Washer

eric-ljungquist Eric Ljungquist

Projects I Like & Follow

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

Hackaday.io Project

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

TritiLED

ted-yapo Ted Yapo

Official Hackaday Prize Entry

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

OpenExposer

mario-lukas Mario Lukas

Hackaday Prize 2019

bringing additive manufacturing to the next level

prism laser scanner

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

Ultra low power LED

christoph-tack Christoph Tack

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

SOICbite Programming/Debug Connector Footprint

simon-merrett Simon Merrett

ATtiny45-based Ripoff of Ted Yapo's TritiLED

ATtiny45 EverLED

elliot-williams Elliot Williams

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

DIY Arduino Parallax 3D Display

madaeon Madaeon

I still can't believe it's working.

A different kind of programmable LED

sam-ettinger Sam Ettinger

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

PaperClip Computer

marcelo Marcelo

The 2017 Hackaday Prize

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

Low cost Robot Localisation System (LRLS)

2021 Hackaday Prize

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

Responsive Paintings

Hackaday Prize 2019

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

Durable Wood paint

nathann Nathann

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

High Quality DIY Microphone

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

HACKADAY.IO COVER PHOTO TEMPLATE

daniel-frausto Daniel Frausto

Visualize 'em if you got 'em!

Music Stem Visualizer

gina-collecchia Gina Collecchia

Bits

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

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

Are you sure? yes | no