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Notes on activity:* by donblair


Turbidity sensor prototype

by donblair almost 3 years ago | 7 | 3,287 | 6

Surrounded by friends who were putting together Dracula, Zombie, and etc equipment, I decided to:...

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Riffle Water Bottle Enclosure: rubber stopper w/hole + silicone sealant: > 8 weeks!

by donblair almost 3 years ago | 6 | 2,814 | 3

[photo credit: Liz Barry. Shocked cereal box credit: D'Ignazio family] We've been experimenti...

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Rubba Stoppaz

by donblair about 3 years ago | 8 | 2,750 | 3

Finally getting around to testing @mathew 's clever ideas around sealing up plastic water bottles...

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Coqui PCB + audio jack

by donblair almost 4 years ago | 0 | 1,523 | 1

[![coqui-v1.0-schem.png](https://i.publiclab.org/system/images/photos/000/007/466/medium/coqui-v1...

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

by donblair almost 4 years ago | 6 | 5,517 | 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 | 1,202 | 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 | 1,152 | 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 | 1,120 | 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 almost 4 years ago | 1 | 1,424 | 3

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

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Coqui BBv1.0

by donblair almost 4 years ago | 6 | 5,269 | 7

A Coqui is a device that generates an audible output frequency that is a function of any resistan...

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How to download and analyze Landsat imagery

by donblair about 4 years ago | 11 | 3,800 | 4

This morning, Ned Horning provided a tutorial on downloading Landsat imagery to Cape Cod Baywa...

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Preliminary PCBs for Particulates

by donblair over 4 years ago | 7 | 3,602 | 2

[Note -- a follow-up discussion around this technology actually works -- with some great commenta...

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