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Notes tagged with difficulty:easy

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Build a Coquí: A Simple Water Conductivity Sensor

by akshaya New Contributor almost 2 years ago | 14 | 1,418 | 5

The Coquí is a simple water conductivity sensor designed by @donblair that is designed for use ...

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Rubber band and PET bottle camera rig

by mathew over 1 year ago | 2 | 311 | 4

This activity replaces the PET Bottle Rig wiki page. The...

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Build a plant-based air purifier

by nshapiro almost 2 years ago | 10 | 2,296 | 10

Domestic chemical ecologies have both many toxicant sources and many toxicant sinks. Formaldehy...

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Copper Sheet Hydrogen Sulfide Detection Activity

by gretchengehrke 9 months ago | 14 | 273 | 2

_This activity is an attempt to use Lionel Milberger's [copper rod hydrogen sulfide detection met...

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Use Archive.org to share large photo collections

by xose about 1 year ago | 7 | 331 | 2

In #balloon-mapping, [#timelapse](https://publiclab....

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Build a juice bottle-based rig to carry two cameras

by warren over 1 year ago | 0 | 137 | 1

This (old) guide shows how to make a protective case large enough for [two synchronized cameras](...

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Step 1: Join Public Lab's Transifex project

by liz over 1 year ago | 2 | 428 | 2

This is the very first activity for translating the publiclab.org website into different language...

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Spectrometer Light Tight Cover Build

by stef over 1 year ago | 3 | 632 | 2

Having removed the IR filter from my spec camera, the sensitivity increased dramatically where b...

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PET Bottle & Rubber Band Rig

by mathew almost 2 years ago | 1 | 503 | 2

This research note is a copy of the PET Bottle Rig Wiki page....

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Reduce interior reflections in your spectrometer with black ink

by warren almost 2 years ago | 6 | 770 | 3

After building the [stability upgrade][1] to the [Desktop Spectrometry Starter Kit][2], I need...

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See the Fraunhofer absorption lines in sunlight

by warren almost 2 years ago | 0 | 1,532 | 1

_This is a draft -- still in progress, based on [this note](https://publiclab.org/notes/cfastie/3...

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Stability upgrade mockup for PLab Spectrometer 3.0

by stoft almost 2 years ago | 13 | 1,564 | 8

Abstract The [PLab 3.0 Spectrometer](https://publiclab.org/wiki/desktop-spectrometry-kit-3...

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Calibrate your spectrometer in Spectral Workbench

by warren almost 2 years ago | 7 | 7,379 | 8

In Public Lab's [spectrometry project][1], we've long used compact fluorescent lamps (CFLs) as...

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Constructing a Desktop Spectrometer with no Wood, and no Velcro

by abdul almost 2 years ago | 11 | 1,669 | 4

I was able to construct a DSK using no additional parts, and without using the wooden block, w...

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Sample prep for Passive Particle Monitors

by mathew about 2 years ago | 0 | 686 | 5

Left to Right: [Cap with Mesh, Aluminum SEM stub to hold sample, 0-80 x 1/4" screws, glass covers...

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Notes on assembling an Aerobee Rig

by mathew about 2 years ago | 31 | 694 | 0

I purchased an Aerobee rig from the [KAPtery](http:/...

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DIY Mini Kite Kit first flight

by mathew about 2 years ago | 2 | 1,452 | 6

Inspired by @PatCoyle's look at [small, cheap parafoil kites for mapping,](/notes/patcoyle/07-20...

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Tweaks to foldable mini-spectrometer design

by warren about 2 years ago | 5 | 2,746 | 3

A few months ago, I taught a papercraft class at Parts & Crafts, a...

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Prototype of easy-to-build rigid spectrometer housing

by warren about 2 years ago | 19 | 1,833 | 3

Building on work by @viechdokter and @stoft, and related to their and @yagiz's work on interio...

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Making a DIY conductivity probe from a water bottle and metal screws

by donblair almost 4 years ago | 6 | 5,455 | 3

[![IMG_0722.JPG](https://i.publiclab.org/system/images/photos/000/007/152/medium/IMG_0722.JP...

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Coqui BBv1.0: Using a thermistor as a temperature probe

by donblair almost 4 years ago | 0 | 1,192 | 0

<iframe width="560" height="315" src="//www.youtube.com/embed/cvWfdVbV_08?list=UUmmEmOGni0fzzDsXi...

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Coqui BBv1.0: Reacting to an LED with Sound

by donblair almost 4 years ago | 0 | 1,136 | 1

<iframe width="560" height="315" src="//www.youtube.com/embed/Snr0Zd8oueE?list=UUmmEmOGni0fzzDsXi...

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Coqui BBv1.0: Assessing Ambient Light with a Photoresistor

by donblair almost 4 years ago | 0 | 1,113 | 2

<iframe width="560" height="315" src="//www.youtube.com/embed/S1GoPiRVTD0?list=UUmmEmOGni0fzzDsXi...

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