| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| bacelarhenrique | "Hi, I'm making a project just like this to a professor in my college. I need to make a welder to join thermocouples. I clicked in the link to Githu..." | Read more » | about 5 years ago | |||
| cfastie | "Here is another way to weld thermocouples: https://publiclab.org/notes/Vern/10-30-2017/making-thermocouples. I'm not sure which method is more resp..." | Read more » | over 5 years ago | |||
| kinasmith | "@KathleenSmart, I never got to the point of fully documenting the build process. They still need some work. Redesigning the sensor body so that it ..." | Read more » | over 5 years ago | |||
| KathleenSmart | "This is great, @kinasmith. I took a look at the links, good stuff there too. Have you developed these dendrometers any further, and/or can you sh..." | Read more » | over 5 years ago | |||
| cfastie | "Do you have access to an Arduino to try with the DHT21? You might be able to confirm that the sensor is working or learn that the sensor is the pro..." | Read more » | over 5 years ago | |||
| kinasmith | "@aldehyde Thanks for reaching out! I'm still working on this project but would be super excited to get it into more hands for research. I should ha..." | Read more » | about 6 years ago | |||
| aldehyde | "Hello, dear friend! It is very interesting work. I am teacher and researcher in plant physiology. When you will ending you prototype, tell me, plea..." | Read more » | about 6 years ago | |||
| kinasmith | "There is some more info about the background for this project here: http://news.uaf.edu/trees-surprising-role-in-the-boreal-water-cycle-quantified/..." | Read more » | over 6 years ago | |||
| vwls | "Really awesome work, thanks for sharing! " | Read more » | over 6 years ago | |||
| warren | "Wow, this is really impressive! Do you have design files and/or a bill of materials you're interested in sharing? " | Read more » | over 6 years ago | |||
| mathew | "looks great and usefull. I made a very, very dangerous and poor quality spot welder in high school by chaining the capacitors found in disposable c..." | Read more » | over 6 years ago | |||
| cfastie | "That graph looks like a sketch of what would happen if you made a mistake. " | Read more » | over 6 years ago | |||
| kinasmith | "How I'm doing it now is holding the two thermocouple wires in a pair of locking hemostats connected to the ground terminal of the welder. There is ..." | Read more » | over 6 years ago | |||
| cfastie | "Nice job mitigating those surprise electrocutions. Keep it up. How does the weld actually work? What is the blob of "new" metal (the weld) made fr..." | Read more » | over 6 years ago | |||
| dhaffnersr | "Ha, this is very cool, its like a turbo charged tack welder! " | Read more » | over 6 years ago | |||
| reza7232 | "HI. I'm from IRAN. I want a board for convert current output of o2_a2 sensor from uA to mA . i don't access to your board in my country. because..." | Read more » | over 6 years ago | |||
| sathvik | "HI kensanfran, I have used the TI AFE LMP91000 for 4-electrode gas sensor design with an external gain for the transimpedance amplifier. For the 4t..." | Read more » | almost 7 years ago | |||
| kensanfran | "Hello, Sorry just noticed this post. I've been collecting my links and references on this DIY gas sensor calibration page of my wiki. I'm also tin..." | Read more » | almost 7 years ago | |||
| cfastie | "This is a good example of how the spectrum of incident light influences the NDVI of a scene. Leaves reflect about 10 times more NIR than red, but i..." | Read more » | about 7 years ago | |||
| aldehyde | " I used of Mobius infragam cam (red filter) in Grow Chamber. Light - RED and BLUE (3:1) LED. As I understand this is due to lack of NIR and lot ..." | Read more » | about 7 years ago | |||
| cfastie | "I answered Mnzr's question here: https://groups.google.com/forum/#!topic/plots-infrared/HfowVn5ULFM " | Read more » | about 7 years ago | |||
| mnzr | "@cfastie Hello I'm working on a project in which we see how a person's exposure to plants affects them. Currently we have a wearable sensor with th..." | Read more » | about 7 years ago | |||
| cfastie | "The red filter in your Mobius is blocking most blue light but passing most of the NIR light in the scene. The blue channel receives little other vi..." | Read more » | about 7 years ago | |||
| aldehyde | "@cfastie I use of Mobius infragam cam (red filter) in Grow Chamber. Light -CFL. Received of infrared image Fig 1 and Fig 2. - after processing in ..." | Read more » | about 7 years ago |