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Steven J Greenfield

ET, EET, CET and an information sponge

Lacey, WA
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steven-j-greenfield
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This user joined on 08/16/2014.

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Just a fun Tesla-punk kissing meter. A couple each hold a copper handle and kiss. Large meter, huge vacuum tube, arcs and sparks.
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Relationship Meter

Steven J GreenfieldSteven J Greenfield

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Building an HMD with no special parts, to make work easier and safer
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Arduino Glasses a HMD for Multimeter

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Network Analyzer on an Arduino Shield which covers from 0-72MHz.
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Arduino Network Analyzer

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KiCAD component and footprint libary for ESP32 ,ESP32-WROOM, and ESP3212 modules
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ESP32 KiCAD Library

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If you like happy, easy to build projects, this is not for you. This project is only for people who like to be miserable and frustrated.
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An Unfortunate SMD Project

MakersBoxMakersBox

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A 3D printed portal gun, which projects animated portals.
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Interdimensional Portal Gun

Daren SchwenkeDaren Schwenke

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... is designed for direct drive wheels for swarm robots
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PCB stepper motor

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Built on a coffee maker. And on a budget. No precision rails or bearings. True Delta Kinematics. Great prints.
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Coffee Maker Delta 3D Printer

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An Open Source Linear Actuator
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Linear PCB Motor

Carl BugejaCarl Bugeja

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This project aims to build a tilt sensor that is cheap, very accurate and has a wide measuring range (up to 360 degrees).
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A new high accuracy tilt sensor

Aron MolnarAron Molnar

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ultra thin custom display ... only 6 gpio for 30 leds
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4 digit charlieplexed segment display

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Cheap Chinese wifi switches that turn out to be quite hackable
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Wifi Outlet Hacking

Chris JonesChris Jones

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Independently charge 10 Li-Ion cells @ 1A each, with $18 of Prime parts and an ATX supply.
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Minimalist Li-Ion Charger

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Experimental PCB single layer transformer - proof of concept
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PCB coil joule thief

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Breaking the stigma that soldering 0402 parts is hard by dead-bugging a chip scale DSBGA packaged 555 timer with 01005 parts
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Pico555

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A set of designs to facilitate teaching and intuitive understanding of the relationship between electricity and magnetism
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Electromagnetic Teaching Aid

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A 3D printed cyclonic dust extraction attachment for a domestic vacuum cleaner.
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Dust Extractor

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A couple of cheap dummy loads for testing radios
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The $50 Ham: Dummy Loads

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Now the time to get high precision frequency standard less than $10!
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How to get high precision frequency standard ?

kodera2tkodera2t

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AVR wrote 10/06/2016 at 05:48 • point

thanks for the follow on my ESP32 lib, I'm quite jazzed at the attentiion its been getting, open source FTW

  Are you sure? yes | no

Steven J Greenfield wrote 08/16/2014 at 19:33 • point
Very much an electronics person. Learning to program.

  Are you sure? yes | no

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