pdhixenbaugh 19 research notes and 24 wiki edits | Joined over 3 years ago | Moderator

I work in environmental education and watershed protection, with a background in chemistry (and to a lesser extent, physics/electronics). I believe in connecting people with ideas, clarifying concepts, and staying true to the purpose of science - to discover, to understand, and to inform public policy. My public involvement in investigating and protecting the environment starts with a community that shares these beliefs, and depends on open access to scientific methods and tools to do the work, and share the results.

Chesapeake Conservation Corps Alumni, 2016 UMBC, 2014, with a Chemistry B.S. and Environmental Science minor.



















Getting a Raspberry Pi to output data by emulating a keyboard

warren asked about about 2 years ago

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How to use Alkaline Batteries with the Riffle?

pdhixenbaugh asked about over 2 years ago

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Spectrometer/Sensor

schintha12 asked about over 2 years ago

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Are there any exemptions under the NPDES?

stevie asked about over 2 years ago

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What types of NPDES permits are there?

stevie asked about over 2 years ago

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How is stormwater regulated?

stevie asked about over 2 years ago

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Query about Infragram DIY Filter Pack ( blue & red filter)

suman asked about over 2 years ago

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MobiusActionCam vs S100

ashwinvasudevan asked about almost 3 years ago

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How do you change a research note into a question?

pdhixenbaugh asked about almost 3 years ago

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Activity Grids formatting - what will be their final form?

pdhixenbaugh asked about almost 3 years ago

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Is the question interface working?

ananyo2012 asked about almost 3 years ago

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Question: How to rename a set?

AndrewJamesLaplante asked about about 3 years ago

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How much are Coqui measurements affected by hot/cold water?

warren asked about almost 5 years ago

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View these maps at MapKnitter.org »

Title Creation date Image

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Comment Last activity Moderation
"Hi Ben, checking in here -- have you used this design any further? A few folks would be very interested to see what kinds of accuracy and precision..." | Read more » about 2 years ago
"Thanks @rfdave! This is a great start! I am going to inquire about what kind of accuracy @bhickman got with his as the next step. @liz roping you ..." | Read more » about 2 years ago
"I know that USB cables sometimes come with a barrel on them that's designed to reduce electrical interference, but I forget what it's called (I had..." | Read more » about 2 years ago
"Hello @rfdave ! I would be interested in getting this rolling! Thank you so much for providing that link to the design! I think there are many folk..." | Read more » about 2 years ago
"Hey sorry for being so late to the discussion here! I recently moved to a place where indoor air quality is a more pressing issue. I have a few que..." | Read more » about 2 years ago
"Thanks for this Nigel! I'm especially interested in hearing what the kids think about the limitations and the new ideas you come up with -- like th..." | Read more » about 2 years ago
"To clarify, this problem is concerned just with sending data over the USB? Collecting data in the first place is separate? Would you want the pi t..." | Read more » about 2 years ago
"Hi Chris! That was good luck with the voltage tolerance! Based on what happened, do you think the u-blox is protected against higher voltages by co..." | Read more » over 2 years ago
"Hi, and welcome to public lab, There is work being done in academic settings, with Surface Enhanced Raman Spectroscopy (SERS), however I do not be..." | Read more » over 2 years ago
"Thank you for this informative answer! I have a few followup questions. On the adafruit description for their 3 x AAA enclosure, they say that it ..." | Read more » over 2 years ago
"@warren is the question:question tag necessary? And was there a recent change with the editor? The new editor seems to be fighting with the old one. " | Read more » over 2 years ago
"As an add-on, most stormwater flows into storm drains and directly into streams without treatment. In combined sewer systems, CSOs happen periodica..." | Read more » over 2 years ago
"Some other things -- certain types of industries can ask for an exemption from this permit if they claim they have zero stormwater pollution exposu..." | Read more » over 2 years ago
"The general permits also come in different variants, and the Municipal Separate Storm Sewer Systems (MS4) permit is a big one. For example, my muni..." | Read more » over 2 years ago
"Hi Suman, and welcome to Public Lab! Your research sounds really interesting! This might be something @abdul would know how to answer - tagging him..." | Read more » over 2 years ago
"Hello Gretchen, I am curious about when the fee is waived and when it is not, as $400 a year is definitely prohibitive for citizen science on a lar..." | Read more » over 2 years ago
"Hello @Averyd and welcome to public lab! I'm curious -- what is this a picture of? " | Read more » over 2 years ago
"Hey! Amazing work! What's the approximate cost of this setup? " | Read more » almost 3 years ago
"Hey @warren, happy to connect up! I am actually traveling next Tuesday -- so this is the last post I'm doing in a big push to get things done befor..." | Read more » almost 3 years ago
"@warren Heya! This didn't automatically tag itself as a replication -- manually adding replication:13632 " | Read more » almost 3 years ago
"Just added the "how to get a riffle" section to the wiki. Check it out: https://i.publiclab.org/wiki/riffle " | Read more » almost 3 years ago
"So do I! I'll go ahead and update the image. I'd also love to find a place to have this cool old doodle/sketch " | Read more » almost 3 years ago
"Hey there, looks like your image didn't come through. See if you can add it, if not, let me know and I'll see if I can help. " | Read more » almost 3 years ago
"Hey there, looks like your image didn't come through. Let me know if I can help " | Read more » almost 3 years ago































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