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James Finch

I'm a lifer & enjoy learning, reading, listening, talking, traveling, museums, outdoors, repairing/re-using/re-purposing & free.

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3 Projects
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james-finch
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This user joined on 10/15/2017.

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Project to make a cost effective PAPR for use when welding, grinding, cutting, sanding, etc. Based off various designs noted below.
Project Owner Contributor

DIY Cost Effective PAPR Design

james-finchJames Finch

898
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Yagi antenna w/telescoping boom & elements based on the tape measure yagi by Joe Leggio (WB2HOL) and James T. Hanson (W1TRC) in May 2007 QST
Project Owner Contributor

Telescoping Yagi Antenna with Folding Elements

james-finchJames Finch

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Designed & printed the three quick release styles missing from a few Goodwill Store tripods that have been invested in over the years.
Project Owner Contributor

Missing Tripod Quick Release Jamboree!

james-finchJames Finch

Things I've Built

Spiral Conical Antenna - the Form

https://www.instructables.com/Spiral-Conical-Antenna-the-Form/

~ 450MHz Yagi Antenna

https://www.instructables.com/-450MHz-Yagi-Antenna/ https://www.youtube.com/watch?v=Hf1HhQSbigw

How to Make a Directed Energy Weapons Detection System for Less Than $50

https://www.instructables.com/id/How-to-Make-a-Directed-Energy-Weapon-Detection-Sys/

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A 3D printable, MEMs based microphone is proposed in this project. The microphone is laboratory grade, IEPE powered, and less than $30.
Project Owner Contributor

MEMs Based IEPE Powered Instrumentation Microphone

peter-riccardiPeter Riccardi

16k
164
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Wifi-controlled, azimuth/elevation antenna rotator.
Project Owner Contributor

SATRAN - Satellite Tracking Antenna

daniel-nikolajsenDaniel Nikolajsen

14.3k
1.3k
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Strip down PET#1 Recyclable plastic bottles. Convert into new usable 3D filament. Load up your favorite 3D printer and recreate!
Project Owner Contributor

The Recreator 3D - Make Recycled PET#1 3D Filament

joshua-r-taylorJoshua R. Taylor

7.1k
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Species are auto detected 'in the wild' using machine learning with results transmitted to the cloud
Project Owner Contributor

AI Wildlife Species Bat Detector

capt-flatus-oflahertyCapt. Flatus O'Flaherty ☠

4.8k
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A collapsible table projection system for tracing and cutting patterns and plans
Project Owner Contributor

Pattern/Plan Projector

quinnQuinn

4.4k
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Want a color-angular approach to inspecting your solder joint fillet quality? This rainbow-dome is your solution for less than $20!
Project Owner Contributor

DIY AOI RGB Light

sina-roughaniSina Roughani

4.3k
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My adventure with hacking a cheap 36v inverter to work with any 36v battery source.
Project Owner Contributor

Hacking Greenworks v2 40v Inverter

chris-jonesChris Jones

3.8k
40
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100 MHz differential probe for oscilloscopes, with modular accessories to suit both high and low voltage use.
Project Owner Contributor

Modular differential probe

petteri-aimonenPetteri Aimonen

3.3k
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Reduce weight and build a Yagi antenna using your hiking pole and Arrow Antenna elements
Project Owner Contributor

Hiking Pole Yagi Antenna

stuart-kb1hqsStuart, KB1HQS

3.3k
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A refresh of the HP 11947A attenuator and limiter
Project Owner Contributor

HP 11947A clone

james-wilsonJames Wilson

2.4k
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Build CNC machines from scratch and learn how to write the code that moves their axes.
Project Owner Contributor

CNC machine hackings 2020: Direct extruder

norbert-heinzNorbert Heinz

2.3k
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A self mixing laser interferometer made with inexpensive components
Project Owner Contributor

$1 Laser Interferometer

nathan-kernsNathan Kerns

2.2k
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Turn a COTS, Heavy duty pan/tilt camera mount into a functional satellite tracking Alt/Az mount for use with Hamlib
Project Owner Contributor

Alt/Az Antenna Rotator from Pan/Tilt Camera Mount

jrsphotoJrsphoto

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I made dozens of masks in 2020. This is my method.
Project Owner Contributor

how I make masks

kristina-panoskristina panos

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WaterJet for drone
Project Owner Contributor

UNDERWATER IMPELLER MOTOR

roman-weitendorfRoman Weitendorf

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Low cost quiet economical energy recovery ventilation system Arduino Hubitat Elevation based
Project Owner Contributor

Balanced Home Ventilation ERV System

nickatredboxnickatredbox

1.5k
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Polarimetric camera with a microscope lens attached to a 3d printer.
Project Owner Contributor

Automated polarimetric microscope

es-pronkE/S Pronk

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A custom made ribbon microphone to record my voiceovers, which looks pretty good while doing it too.
Project Owner Contributor

Custom-Designed Ribbon Microphone

maya-romanMaya Roman

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kristina panos wrote 01/17/2021 at 16:57 • point

Thanks for checking out #how I make masks :)

  Are you sure? yes | no

James Finch wrote 01/17/2021 at 23:21 • point

Your welcome!  Thanks for sharing.  I'm going to post this link here also for a pattern that is for a neoprene design I am planning to do more for winter time to prevent fogging. https://mailchi.mp/onlinefabricstore/neoprene-face-mask-template

  Are you sure? yes | no

Kris Winer wrote 04/29/2018 at 16:47 • point

Thanks for following my $25 Spectrometer project!

  Are you sure? yes | no

James Finch wrote 01/17/2021 at 23:25 • point

Your welcome!  Glad kristiana commented, I just looked at your project again and see you've even done some work with copper.  I've been reviewing the latest copper and silver impregnated fabrics to use for clothing and filter design here again with the winter season indoor projects kicking back in.   Neat to see you have a decent amount of sales too!  Awesome!

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