cfastie 299 research notes and 550 wiki edits | Joined over 6 years ago | Admin

The ecology and history of forests and landscapes, and new ways to see these things. High-resolution stitched images of vegetation, including low elevation aerial photography and multispectral imaging. Design and distribution of 3D printed aerial photography rigs and microcontroller gadgets via the KAPtery. Tweeting these things.

My posts on these topics:


4 questions asked

1271 comments posted

75 activities posted

1 activities attempted





LEAFFEST Report

by cfastie almost 7 years ago | 1 | 100 views | 0


Remote temperature sensing

by cfastie almost 7 years ago | 2 | 111 views | 3


L E A F F E S T

by cfastie almost 7 years ago | 1 | 164 views | 0


Spectrometer Kickstarter on Mashable

by cfastie almost 7 years ago | 1 | 35 views | 0


Cris Benton on TWiT

by cfastie almost 7 years ago | 1 | 40 views | 0


Global helium shortage

by cfastie almost 7 years ago | 1 | 21 views | 0


UMass Open Hardware Workshop

by cfastie about 7 years ago | 4 | 92 views | 0


Shutter timer upgrade

by cfastie about 7 years ago | 3 | 264 views | 2


Kite mapping tundra plots

by cfastie about 7 years ago | 0 | 91 views | 0


Timer battery disappoints

by cfastie about 7 years ago | 2 | 82 views | 0


The ShowerKAP

by cfastie about 7 years ago | 0 | 49 views | 0


Alaska Range balloon mapping

by cfastie about 7 years ago | 1 | 79 views | 1


Lincoln Peak Vineyard

by cfastie about 7 years ago | 3 | 116 views | 0


NRG images of cover crop trials

by cfastie about 7 years ago | 7 | 157 views | 0


3D model in MeshLab

by cfastie about 7 years ago | 8 | 263 views | 0


Lee, NH PLOTS/FarmHack Meetup

by cfastie about 7 years ago | 6 | 288 views | 0


Range of Tiny Remote

by cfastie about 7 years ago | 0 | 76 views | 0


NDVI out of the shadows

by cfastie about 7 years ago | 1 | 293 views | 0


How to install CHDK

by cfastie about 7 years ago | 0 | 137 views | 1


Flight-ready MK111 timer

by cfastie about 7 years ago | 0 | 134 views | 0



NIR proof of concept: Trout Lily

by cfastie about 7 years ago | 4 | 135 views | 0


Remove a USB cable ferrite bead

by cfastie about 7 years ago | 0 | 1,999 views | 0


Endurance of visible/NIR camera and timer

by cfastie about 7 years ago | 1 | 49 views | 0


View these maps at MapKnitter.org »

Title Creation date Image

Comments

Comment Last activity Moderation
"Point and shoot cameras typically last a few hours when running on batteries. Trail cameras typically last a few months to a year because they ente..." | Read more » about 2 years ago
"Setting a custom white balance on the Mobius camera can be done numerically. Determining which numbers to use requires trial and error and subjecti..." | Read more » about 2 years ago
"Although the full range of near infrared transmission of the Rosco 19 filter has not been measured (by anyone we know about ), we are not without t..." | Read more » about 2 years ago
"The spectral response graphs supplied by Rosco don't go past 740 nm. So we are assuming that there is some transmission farther into the near infra..." | Read more » about 2 years ago
"I guess the method would be deriving NDVI from inexpensive sensors (not cameras) operated by a microcontroller. There might be a better sensor (or ..." | Read more » about 2 years ago
"I've made a couple of those I2C hubs and they are very handy. They're fun to make too. I now put a little super glue between the header plastic bef..." | Read more » about 2 years ago
"Do you think i need the targets of known spectral reflectivity in the same bands that will be used to compute NDVI or it can be tested with any mat..." | Read more » about 2 years ago
"Rosco 19: https://publiclab.org/notes/mathew/04-29-2014/a-wratten-25a-replacement-from-rosco Rosco 2007: http://legacy.rosco.com/filters/SED.cfm?t..." | Read more » about 2 years ago
"That would be terrific if a ferrite bead eliminated the noise I was seeing. My impression was that the bead was protection against radio frequency ..." | Read more » about 2 years ago
"Thanks Ed, It's good to know there is hope for the Nano. That's an excellent thread you linked to. I might try removing the LED resistor and the r..." | Read more » about 2 years ago
"Xose, Thanks for pointing to those Grove I2C hubs. I had been pondering how to fork the I2C line. Here is my attempt to make an I2C hub from male h..." | Read more » about 2 years ago
"I figured out what I was doing wrong with the real time clock. This line in a sketch: RTC.adjust(DateTime((__DATE__), (__TIME__))); will set t..." | Read more » about 2 years ago
"A nice thing about DuPont jumper wires is that each wire has a separate connector. So pin pitch does not matter (if it is at least 0.1 inch, the Ar..." | Read more » about 2 years ago
"That's a nice little I2C hub. Maybe it would be easy to make something like that for DuPont wires from strips of male header: But somebody would..." | Read more » about 2 years ago
"Are you storing data in RAM on the Pi? In a RAM drive? Do these data persist after the Pi is powered down? Is this Pi always connected to a compute..." | Read more » about 2 years ago
"Can you share an example of your spectra? Are they on Spectral Workbench? What spectrometer did you use? Are you interested in a more precise scal..." | Read more » about 2 years ago
"This is a really intriguing project. The Seek camera makes possible a lot of otherwise very difficult investigations. It should be straightforward ..." | Read more » about 2 years ago
"It appears that storing data in flash memory on an Arduino is not so easy. The PROGMEM keyword only works for writing constants before the main lo..." | Read more » about 2 years ago
"It seems that it might be straightforward to store arrays of data in the 32k of flash memory in a 328p chip. Flash memory is non-volatile and your ..." | Read more » about 2 years ago
"This is very clever. I wonder whether the memory in a Atmega 328p can be used to store data. I wonder if it is possible to access those data later...." | Read more » about 2 years ago
"There is a growing list of logger options and specs in a Google sheet. Please add information there if you know other stuff. " | Read more » about 2 years ago
"That Openlog is tiny! It combines an Arduino 328p with a microSD card, but still needs an RTC. There are clones of it available for $7.00. I have ..." | Read more » about 2 years ago
"Are you interested in the difference between a blue filter and a red filter? A blue filter could be referred to as NGB (red is blocked and NIR repl..." | Read more » over 2 years ago
"I am not familiar with the optics equations. My approach would be to enable precise adjustments of the components and find the best resolution (cri..." | Read more » over 2 years ago

cfastie was awarded the Basic Barnstar by warren for their work published in Superblue.


cfastie was awarded the Basic Barnstar by warren for their work published in Graze anatomy.


cfastie was awarded the Basic Barnstar by liz for their work published in Holiday Beverage Whodunit.


cfastie was awarded the Basic Barnstar by stevie for their work published in Nano particle monitoring.


cfastie was awarded the Basic Barnstar by Elidacanup for their work published in Broadening.


cfastie was awarded the Basic Barnstar by david-days for their work published in Compost is hot, says Riffle.


cfastie was awarded the Basic Barnstar by academicfora for their work published in A standalone aerial sensor pod.


cfastie was awarded the Empiricism Barnstar by warren for their work published in Grating angle.


cfastie was awarded the Empiricism Barnstar by xose for their work published in Real time and temperature.


cfastie was awarded the Photo Documentation Barnstar by warren for their work published in A DIY low power timer.


cfastie was awarded the Photo Documentation Barnstar by Hudonnoodles for their work published in Spherical KAP over Cocodrie.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in NE Organizers Summit.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in LEAFFEST 2014 accounting.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in Public Lab Organizers Summit, 2014.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in Putting sensor data to work.


cfastie was awarded the Photo Documentation Barnstar by todgobblins for their work published in Soaring Riffle.


cfastie was awarded the Video Documentation Barnstar by warren for their work published in SNOWFEST the Movie.


cfastie was awarded the Video Documentation Barnstar by mathew for their work published in Making the aluminum frame of an aerial camera rig (video).



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