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nmz787 commented on Browser-based Arduino data transfer and control using the WebAudio API and headphone jack

I take it you've seen this reference design and implementation (all open source): http://web.eecs...

1 comments » about 9 hours ago

New edit by mathew

Optical Monitoring of Particulate Matter

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about 12 hours ago | 1

New edit by liz

community development

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about 14 hours ago | 5

New edit by liz

OpenHour

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about 15 hours ago | 19

warren commented on New Cuvette Holder design done on SmartDraw CAD

Cool, Dave - i like the idea of using foam. Where did you get it, and do you have a source for bl...

3 comments » about 16 hours ago

Graze anatomy

by cfastie 1 day ago | 1 | 3

New edit by pdhixenbaugh

sandbox-riffle

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1 day ago

Bob commented on Riffle test 1

While working on my Riffle beta datalogging program, I also corrupted the micro SD card. The Riff...

2 comments » 1 day ago

New edit by danbeavers

Shell Gulf of Mexico Oil Spill

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3 days ago | 3

rfdave commented on Conductivity and Temperature Meter

Thanks. I'm thinking about a Water quality Staff made from PVC with temperature, conductivity, an...

5 comments » 3 days ago

mathew commented on Midwestern Frac Sand Deposits, Aquifers, & Rivers

Minnesota DEP maps:

3 comments » 3 days ago

warren commented on Browser-based Arduino sensor data transfer using WebRTC and headphone jack

Wow, great start though! One thought for debugging is to record as an audio file the output from ...

14 comments » 4 days ago

New edit by warren

Shell Gulf of Mexico Oil Spill

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4 days ago | 3

ggallant commented on Riffle first experience

Mathew - This is probably the result of a capacitor discharging, C9 is only 0.1uf. I suspect that...

7 comments » 4 days ago

cfastie commented on Riffle test data

Hi Gretchen, I also wondered whether the change in logging frequency was caused by the Riffle dr...

4 comments » 4 days ago

gretchengehrke commented on Riffle test data

Interesting! At first I was wondering if the change in time-step occurred after the Riffle reache...

4 comments » 4 days ago

New edit by stevie

Shell Gulf of Mexico Oil Spill

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4 days ago | 3

New page by Shannon

Shell Gulf of Mexico Oil Spill

4 days ago | 3

mathew commented on Riffle first experience

i'm talking out of my depth here-- I know basic electronics and am not an electrical engineer by ...

7 comments » 5 days ago

rmeister commented on Browser-based Arduino sensor data transfer using WebRTC and headphone jack

Last week I tried to replicate the circuit of the SoftModem shield. I had not the exact resistor ...

14 comments » 5 days ago

bhickman commented on Turbidity Sensor

Hi ggallant. Your design files look great! I'm going to have to look into openscad. As far as a s...

12 comments » 5 days ago

bhickman commented on Conductivity and Temperature Meter

Hi rfdave. To my knowledge the only requirements is that the electrodes be inert. I chose graphit...

5 comments » 5 days ago

New edit by ananyo2012

Sandbox

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5 days ago | 1

Frozen Riffle?

by cfastie 5 days ago | 1 | 1

aldehyde commented on How to calibrate infragram's Mobius camera for get accurate NDVI index?

I use Mobіus. I recive Infrared image, NIR image or RGN (RNN) image?

24 comments » 5 days ago

Riffle test data

by cfastie 5 days ago | 4 | 1

Depth Sensor Proposal

by danbeavers 5 days ago | 2 | 1

warren commented on Leads on mass produced giant mylar balloons

Followup: @patcoyle eventually found some 36" mylar balloons which are quite affordable: https://...

2 comments » 6 days ago

Riffle first experience

by ggallant 6 days ago | 7 | 1

Riffle test 1

by cfastie 6 days ago | 2 | 1

rfdave commented on Conductivity and Temperature Meter

I've got a question. Is there any reason you couldn't use metallic electrodes instead of the grap...

5 comments » 6 days ago

New page by warren

Supply Chain Project Images

6 days ago

aldehyde commented on How to calibrate infragram's Mobius camera for get accurate NDVI index?

I use Mobіus. How to write better? Infrared image or RGN (RNN) in the description of the image in...

24 comments » 6 days ago

bhickman commented on Turbidity Sensor

Hi ggallant. I'm definitely interested in what you have put together. I'll check out openscad to ...

12 comments » 7 days ago

aldehyde commented on How to calibrate infragram's Mobius camera for get accurate NDVI index?

If the green channel is probably mostly NIR, I must choise in Photo Monitoring Plugin: - Chanel ...

24 comments » 7 days ago

ggallant commented on Turbidity Sensor

I have decided to suspend my current turbidity sensor and instead adapt yours to my base station....

12 comments » 7 days ago

New edit by ananyo2012

Sandbox

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8 days ago | 1

New edit by Shannon

Public Lab Nonprofit Team

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8 days ago | 4

Search Service System Design

by david-days 9 days ago | 3

A more compact spectrometer

by cristoforetti 11 days ago | 12 | 1

New page by pdhixenbaugh

sandbox-riffle

17 days ago

New page by kanarinka

Coquí: A Simple Water Conductivity Sensor

about 1 month ago

New page by liz

sandbox-tool

about 1 month ago

New page by mathew

Guide to doing a technology review

about 1 month ago | 1

New page by stoft

Research Documentation

about 1 month ago | 1

New page by liz

Moderation

2 months ago | 2

New page by liz

Riffle Beta

3 months ago




A shared knowledge base for community science

New edit by liz about 14 hours ago - changes

community development

New edit by liz about 15 hours ago - changes

OpenHour

New edit by pdhixenbaugh 1 day ago - changes

sandbox-riffle

New edit by ananyo2012 5 days ago - changes

Sandbox

New page by warren 6 days ago

Supply Chain Project Images

New edit by ananyo2012 8 days ago - changes

Sandbox

New page by pdhixenbaugh 17 days ago

sandbox-riffle

New page by liz about 1 month ago

sandbox-tool

New page by mathew about 1 month ago

Guide to doing a technology review

New page by stoft about 1 month ago

Research Documentation

New page by liz 2 months ago

Moderation

New page by liz 3 months ago

Riffle Beta

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