pressure
pressure


Author Comment Last activity Moderation
warren "I strongly echo everything Chris said - and honestly, we'd really love to give your work more exposure -- I wonder if even simply posting a lot of ..." | Read more » almost 6 years ago
EdMallon "Aside form the research goals, I've always wanted to create something that everyone could make on their own. And don't worry about the soldering - ..." | Read more » almost 6 years ago
cfastie "Ed, The new Mini Terminal Logger is brilliant. Those Nano terminal shields are a great find. They not only reduce the number of solder joints requ..." | Read more » almost 6 years ago
EdMallon "Hi Warren, I think that would be a good idea for the screw-terminal logger, as it's a generic, and would provide people with lots of flexibility to..." | Read more » almost 6 years ago
warren "@warren awards a barnstar to EdMallon for their awesome contribution! " | Read more » almost 6 years ago
warren "Hi, Ed - thanks so much, I always love your updates. We'd love to feature your work more prominently -- would you be interested in posting this upd..." | Read more » almost 6 years ago
EdMallon "While breadboard loggers are quick, the connections tend to be a bit too fragile for serious testing. So I've come up with a configuration based on..." | Read more » almost 6 years ago
EdMallon "I know the RIFFLE project has been doing this for a while now, but I saved SD power control to the end of my quest for low power logging, because I..." | Read more » about 6 years ago
david_uwi "Oh well. I know about everyones strange reluctance to use microchip devices, but really they do not keep much of any value to the experimenter hidd..." | Read more » about 6 years ago
EdMallon "I've developed a method to calibrate thermistors of unknown specification to something near +/- 0.1 C https://edwardmallon.wordpress.com/2017/04/2..." | Read more » about 6 years ago
cfastie "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 6 years ago
david_uwi "I just use my programmer to read the falsh memory when it is getting full. The clcok crystal causes an wake-up (from sleep) interrupt when the time..." | Read more » about 6 years ago
cfastie "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 6 years ago
david_uwi "Yes it would seem that you could do it with an atmega 328 one of the timers supports the use of a clock crystal which will get your timing accurate..." | Read more » about 6 years ago
cfastie "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 6 years ago
EdMallon "I'm currently working out how to calibrate these oversampled thermistors to a reasonable level without breaking the bank for a high quality referen..." | Read more » over 6 years ago
warren "Wow, Ed, this is really cool, and obviously applicable to many sensor projects using Arduinos. Just curious if you'd be interested in posting a mor..." | Read more » over 6 years ago
EdMallon "After much experimentation, I finally came up with a simple dithering method that allows you to easily use oversampling to add 4-5 extra bits of re..." | Read more » over 6 years ago
EdMallon "We just fired up a new collaborative project, and some of the academics from the other university suggested that our blog was something of a spaghe..." | Read more » over 6 years ago
EdMallon "Believe it or not, the UNO Datalogger tutorial I posted last year has risen to the top of the traffic stats on our blog, and has generated more tha..." | Read more » almost 7 years ago
cfastie " I kinda like the switch on the Riffle and now I know that it is something to pay more attention to. But I guess it adds much more complexity that ..." | Read more » about 7 years ago
donblair "Chris, This is such a beautiful project! The lapse rate calculation is so fun to see. Quick reactions: That power switch goof is annoying. I w..." | Read more » about 7 years ago
EdMallon "@ cfastie: To be honest I probably would have started with Geir Andersen's shield to if I had known about it back at the beginning of my project. A..." | Read more » over 7 years ago
donblair "Oh gosh -- Chris, thanks for tagging me in this thread -- I had no idea that this existed! Wow, Ed -- what amazing work you've been doing!! It's ..." | Read more » over 7 years ago