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John Loeffler

Mechanical Engineer Manager of College of Engineering 3D Printing Lab. I Like to make stuff that is useful or interesting.

Boca Raton, Florida
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129 Followers
172 Following
16 Projects
880 Likes
john-loeffler
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This user joined on 04/25/2015.

5.2k
38
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An Arduino UNO Compatible Board with isolated Glowing headers and some Extras
Project Owner Contributor

Uno Plus+

John LoefflerJohn Loeffler

2.2k
10
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Using Arduino Leonardo HID Control MAC/PC (No Drivers Required)
Project Owner Contributor

Vo-LUM Control

John LoefflerJohn Loeffler

6.4k
40
3
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Uses an E-ink Display to Realtime Update Select Crypto Currencys
Project Owner Contributor

CRYPTOiNK

John LoefflerJohn Loeffler

6.7k
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A GPS controlled Spotlight Drone
Project Owner Contributor

Lumos - Spotlight Drone

John LoefflerJohn Loeffler

7.9k
75
15
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Open Source Analog Acoustic Levitation PCB
Project Owner Contributor

Open LEV

John LoefflerJohn Loeffler

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I didn't have enough to buy a Lab Bench PSU... So I made one.
Project Owner Contributor

OPEN Power

John LoefflerJohn Loeffler

View all 16 projects

5.6k
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Using UV LEDs, Phosphorescent Glow material, and clever mechanisms, a reusable and exciting display can come to life!
Project Owner Contributor

UV Glow-In-The-Dark Laser Displays

TuckerShannonTuckerShannon

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0
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This project was established with the goal of "developing an MRI that anyone can build".
Project Owner Contributor

Home Made MRI 2+1/2

yashiroyashiro

1.7k
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3
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LED array that lights up in response to motion and sends waves across the array.
Project Owner Contributor

interactive analog LED wave array

ChrisChris

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SatIntel is an OSINT tool for Satellites. Extract satellite telemetry, receive orbital predictions. and parse TLEs
Project Owner Contributor

SatIntel: OSINT Tool for Satellites

Angelina TsuboiAngelina Tsuboi

718
2
1
4
A 3D floating display based on Aerial Imaging by Retro-Reflection (AIRR)
Project Owner Contributor

Floating Display Clock

Moritz v. SiversMoritz v. Sivers

515
3
2
4
A pylon-guided robotic weed eater for rough terrain. Free anyone from weeds in anywhere.
Project Owner Contributor

Roktrack - Pylon Guided Mower

Yuta SuitoYuta Suito

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Simple triangle-wave oscillator w/ LM324 OP Amp
Project Owner Contributor

Triangle-wave oscillator

Florian Wilhelm DirnbergerFlorian Wilhelm Dirnberger

179
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Smart camera glasses using Ai to provide information on objects and text
Project Owner Contributor

Blind assistance smart camera glasses

TheoTheo

175
3
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All function syringe (for disabled and able) people that reduce packaging and material cost.
Project Owner Contributor

Green Universal Syringe

Anteneh GashawAnteneh Gashaw

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This project is a magnetic wall mount for tablets. For use in a smart home (Homeassistant). Depending on the model, also wireless charging.
Project Owner Contributor

Wall mounted tablet....mount

nagupnagup

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Make IoT-based Smart Home Automation using NodeMCU Cadio to control 4 home appliances from the Google Home, Amazon Alexa App, and Cadio.
Project Owner Contributor

NodeMCU Home Automation Project With Cadio

SubhajitSubhajit

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based on ESP32-S3
Project Owner Contributor

MagicPaper - A e-Paper kit

MakerM0MakerM0

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A black and white 3D printer for Liquid Laminate Lithography (L^3) development.
Project Owner Contributor

SecSavr Soapavr [gd0146]

kelvinAkelvinA

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Upgrade your home with our Smart Module for seamless control of appliances via smartphone, touch, IR remote, and voice assistants.
Project Owner Contributor

Smart Home Solution

Mayur RabadiyaMayur Rabadiya

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Here is the small demonstration to the pt1000 based temperature sensor and how to use them with your projects. They are cheap and precise.
Project Owner Contributor

PT-1000 Based Temperature Meter -Arduino

Lithium IONLithium ION

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3 sec sound EEPROM and PIC12 doorbell
Project Owner Contributor

Musical Doorbell PIC12F1822

projecterprojecter

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I made my first LCD menu which can toggle 4 channel LEDs. It has a 16x2 LCD user interface and 3 tactile selection buttons.
Project Owner Contributor

Simple LCD MENU Using Arduino

Lithium IONLithium ION

63
1
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Just for fun... PicoW - 2" LCD w microSD
Project Owner Contributor

GameToy

SaulSaul

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2
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Because of the digital SPI interface of the sensor, MAX6675 amplifier data decoding is fast and more accurate and has bigger temp range.
Project Owner Contributor

K-type Temperature Sensor is Best

Lithium IONLithium ION

View all

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Craig Hissett wrote 05/25/2023 at 23:36 • point

Thanks for liking my #Lattepanda 3 Delta Recording Rig buddy!

  Are you sure? yes | no

uk4dshouse wrote 05/02/2023 at 15:23 • point

Thanks for liking and following inductive_dice

  Are you sure? yes | no

Bharbour wrote 04/20/2023 at 23:59 • point

Thanks for Liking and following my projects

  Are you sure? yes | no

JP Gleyzes wrote 04/14/2023 at 11:17 • point

Thanks for following my project #Rezodo: irrigation system and weather station 

  Are you sure? yes | no

roelh wrote 04/11/2023 at 18:03 • point

Hi John, thanks for following the #Isetta TTL computer !

  Are you sure? yes | no

yOyOeK1 wrote 04/11/2023 at 11:25 • point

THX for fallowing my project OiyshTerminal. 

I see you have a nice toy's collection :) If you need any help or have questions to OT I'm happy to help and test it on "out of my box" scenarios.

  Are you sure? yes | no

Dennis wrote 04/11/2023 at 00:50 • point

Hi! Thanks for liking and following Build Your Own Voice Control Module.

  Are you sure? yes | no

Michael Gardi wrote 04/10/2023 at 22:09 • point

Thanks for your interest in my OSI Challenger 4P Reproduction project John.

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Nuri Erginer wrote 06/17/2021 at 07:13 • point

Thanks for following #PnPAssist 

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ElecLab wrote 06/08/2021 at 02:55 • point

Hello !

Thank uou for following my projet :https://hackaday.io/project/179726-eleclab-f1c200s100s-linux-board

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ekaggrat singh kalsi wrote 01/07/2021 at 05:16 • point

thanks for liking #GETULA . your projects are just amazing. specially the openlev! 

  Are you sure? yes | no

dannyvandenheuvel wrote 07/22/2020 at 20:55 • point

Thanks for following and liking my project #DP Ventilator 

  Are you sure? yes | no

danjovic wrote 07/11/2020 at 13:17 • point

Hey John, thanks for liking and for following both #Megadrive PC  and #TankServer !

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Ken Yap wrote 07/09/2020 at 01:22 • point

Thanks for liking #8085 SBC

  Are you sure? yes | no

Cat wrote 07/07/2020 at 04:16 • point

Very interesting projects.  I've been thinking about a drone similar to yours for a long time but never really made one. Nice!

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Craig wrote 06/30/2020 at 00:44 • point

Thanks for liking/following the SBC-85 and #Magnetic Bubble Memory Makes a Comeback projects.

  Are you sure? yes | no

Weff wrote 06/21/2020 at 09:12 • point

Hey John, Thank you for liking and following my project! Your open power project is insanely cool, and looks incredibly useful to a beginner such as myself. 

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Alexey Voronin wrote 06/18/2020 at 16:13 • point

Thanks for liking & following my projects!

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