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Notes tagged with difficulty:easy

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Copper Sheet Hydrogen Sulfide Detection Activity

by gretchengehrke about 1 month ago | 10 | 121 | 1

_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 7 months ago | 7 | 246 | 2

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

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Rubber band and PET bottle camera rig

by mathew 10 months ago | 2 | 166 | 4

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

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Build a juice bottle-based rig to carry two cameras

by warren 10 months ago | 0 | 117 | 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 about 1 year ago | 2 | 410 | 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 about 1 year ago | 3 | 594 | 2

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

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Build a plant-based air purifier

by nshapiro about 1 year ago | 4 | 1,529 | 8

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

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PET Bottle & Rubber Band Rig

by mathew about 1 year ago | 1 | 436 | 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 about 1 year ago | 6 | 666 | 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 about 1 year ago | 0 | 1,105 | 1

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

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Build a Coquí: A Simple Water Conductivity Sensor

by akshaya about 1 year ago | 6 | 962 | 4

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

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Stability upgrade mockup for PLab Spectrometer 3.0

by stoft about 1 year ago | 13 | 1,281 | 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 over 1 year ago | 7 | 4,671 | 6

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 over 1 year ago | 11 | 1,392 | 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 over 1 year ago | 0 | 651 | 3

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 over 1 year ago | 31 | 652 | 0

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

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DIY Mini Kite Kit first flight

by mathew over 1 year ago | 2 | 1,349 | 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 over 1 year ago | 5 | 2,203 | 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 over 1 year ago | 19 | 1,661 | 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 about 3 years ago | 6 | 5,201 | 2

[![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 about 3 years ago | 0 | 1,161 | 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 about 3 years ago | 0 | 1,109 | 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 about 3 years ago | 0 | 1,076 | 2

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

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Coqui BBv1.0: Testing conductivity of a solution

by donblair about 3 years ago | 1 | 1,338 | 3

<iframe width="560" height="315" src="//www.youtube.com/embed/Txu08bFOpaU?list=UUmmEmOGni0fzzDs...

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Fraunhofer

by cfastie almost 5 years ago | 4 | 6,552 | 2

Image above: A spectrogram of the sky taken today by Ebert showing six Fraunhofer lines. The...

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easy cut delta kite plans

by mathew over 5 years ago | 2 | 14,146 | 2

This kite is very close to the Levitation Delta, and the plan is for a low-waste, quick (2-hour) ...

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call it Delta, maybe

by astoicof over 5 years ago | 2 | 2,963 | 4

This is a research note and attached PDF for a kite design. This is the first time I’ve ever bui...

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splitting bamboo for kites

by mathew over 6 years ago | 1 | 8,189 | 2

Bamboo is a great kite making material. It grows in poor soils and is competitive with Fiberglas...

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Easy Kites for Kite Trains

by mathew over 5 years ago | 0 | 4,719 | 0

I've been digging through my kite books to find some good kite train kites. Trains are multiple ...

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