zengirl2 28 research notes and 34 wiki edits | Joined about 5 years ago | Moderator

Leslie Birch is a Philadelphia technologist using open-source hardware to grapple with environmental issues and physical connection. Her toolbox includes Arduino microcontrollers and sensors as well as tree cookies and moss. She creates projects and tutorials for Adafruit, a DIY electronics company, and also blogs about wearables and citizen science. She is currently getting her hands wet in stormwater run-off for a project dealing with climate change. Other geekery includes NASA Datanauts, CUSP (Climate & Urban Systems Partnership) and SciArt Center. Follow @zengirl2

http://lesliebirch.com/


15 questions asked

135 comments posted

2 activities posted

2 activities attempted











Hurricane Harvey Impact Image Sort

by zengirl2 almost 2 years ago | 3 | 301 views | 2


Having Fun Testing Attachments

by zengirl2 almost 2 years ago | 1 | 185 views | 1



Mini Pearl Logger Replication

by zengirl2 almost 2 years ago | 4 | 244 views | 2





Build a sound-generating Coqui conductivity sensor (new version!)

by warren 5 months ago | 3 | 263 views | 1

This is a guide to building the Coqui, version 2 - a compact and slightly refined version of the ...

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Building a plant-based air purifier kit at Barnraising

by warren 9 months ago | 8 | 206 views | 3

_This is an attempt to follow the latest instructions for this kit: https://publiclab.org/notes/n...

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Where are people compiling lists of potential pollution sites following Hurricane Harvey?

by warren almost 2 years ago | 3 | 193 views | 2

There's been some requests to reduce redundancy and to unify the different tracking systems that ...

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Issue briefing: ultrafine particle pollution from dehydrated biosolids

by liz about 2 years ago | 1 | 241 views | 3

lead image: co-product being dumped onto agricultural fields Slaughterhouses, human waste t...

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How to interpret PMS5003 sensor values?

samr asked about 4 months ago

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Can anyone tell what is wrong with my coqui?

stevie asked about 4 months ago

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Sanity check for air sensors

Ag8n asked about 11 months ago

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what data-logger will work with my portable HCHO meter?

nshapiro asked about over 1 year ago

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How do we address the issue of people posting the same or very similar questions?

stevie asked about over 1 year ago

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Looking for ideas on filtering metals, arsenic, and/or bacteria from water?

stevie asked about over 1 year ago

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Design recommendations for postcard research invitation?

gretchengehrke asked about over 1 year ago

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What is an easy-to-use phone app for public to record air quality issues? #air #app #tech

zengirl2 asked about over 1 year ago

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What do you think about this new design sketch for a Welcome page?

warren asked about over 1 year ago

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Project management?

liz asked about over 1 year ago

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What are ways to make DIY filters to remove particulate pollution from indoor air?

zengirl2 asked about over 1 year ago

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Can you use rubbing alcohol or nail polish remover for prepping copper for Hydrogen Sulfide test?

zengirl2 asked about over 1 year ago

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Does anyone know if a sensor lending library exists?

zengirl2 asked about over 1 year ago

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What's one thing that could be better for newcomers about the Public Lab website?

warren asked about over 1 year ago

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What's the best setup for a copper rod or copper plate test for DIY hydrogen sulfide detection?

warren asked about over 1 year ago

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What sessions would people like to have at the 2017 Barnraising?

warren asked about over 1 year ago

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Where can you purchase a bucket for air grab sampling?

stevie asked about almost 2 years ago

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View these maps at MapKnitter.org »

Title Creation date Image

Comments

Comment Last activity Moderation
" So far I'm also favoring a combo method. I think most people like the idea of small tasks they can work on since this is a volunteer community. Th..." | Read more » about 2 months ago
" I think @kkoerner may be able to answer this since he has done a lot of work with this sensor. " | Read more » 4 months ago
" Wow so weird! Sometimes the legs can get bent on those--anyway, so glad it's working. You should post a video so we can hear the sound of the coff..." | Read more » 4 months ago
" I'm still learning about how to know whether circuits can handle voltage, but so far it looks like the 555 timer probably is fine, but not sure ab..." | Read more » 4 months ago
"Oh hey, what about voltage? I just remembered that we were using 2-AA batteries which would only be 3V and you are using a 9V. Can the chip handle ..." | Read more » 4 months ago
" I agree that your setup looks good. Of course you could test your battery to see if it's fresh. The only other thing besides making sure connectio..." | Read more » 4 months ago
" Looks good. I'm loving these topic pages because it just makes everything a one-stop shop. " | Read more » 4 months ago
" Looks shipshape to me! " | Read more » 4 months ago
" Happy to see that the light conditions were a minor issue. I would love to get another sensor to re-test my bedroom to see what the reading is now. " | Read more » 5 months ago
" I definitely want to work on hacking the FEMA box of food that people receive in emergencies. Let's take the same box size and figure out what peo..." | Read more » 5 months ago
"I'm so excited to see this @cfastie. Love the play on words as always with the naming of the monitor. However, you may want to rename your research..." | Read more » 8 months ago
"@warren I'm with @Liz that it looks cute. Also, on a Fritzing diagram I think this will be clear enough. It is actually easier to find the hole for..." | Read more » 8 months ago
"@warren I like these short wires because they tend to stay in place better when inserted, and they also aren't like sloppy spaghetti. :) If you lik..." | Read more » 8 months ago
"This looks great—also looks like others have faced similar issue with 8266 and Shinyei sensor just through googling. Here’s one example (although s..." | Read more » 9 months ago
"I'm getting ready to do a balloon mapping workshop in Philly this week, and I'm loving your large set of helium balloons. I'm trying the mylar ball..." | Read more » 10 months ago
"@kkoerner so cool to see this post as well as the guts of the air sensor. Looking forward to the update on the results. " | Read more » 10 months ago
"@jeffalk does it work if you convert image to jpg format? " | Read more » 11 months ago
"@warren Cool experiment. So your dip in the top graph--do you think that is expressing less traffic due to start of holiday or is it raining there? " | Read more » 11 months ago
"@jiteovien I find that there are not many official monitors in Philly either. So, I'm very interested in air monitoring just to see how the numbers..." | Read more » 11 months ago
"@jiteovien So cool to see that large testing equipment next to your little Dustduino! Anyway, your need for a waterproof set-up reminded me of work..." | Read more » 11 months ago
"@joyofsoy I'm so glad you wrote all the detail of the history since I only got the sum-up from this session. Remember that timeline that was posted..." | Read more » 11 months ago
"@Ag8n That is interesting to hear about supplies and my friend in Florida mentioned she has a few weeks worth for her stockpile. " | Read more » 11 months ago
"@jiteovien Ah, this is helpful--what a great testing zone. Interesting to hear how Purple is a bit high on readings too. Did the sensor need to be ..." | Read more » 11 months ago
"I will be attending! " | Read more » 11 months ago































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