Comments

Author Comment Last activity Moderation
cfastie "Hi Sara, Just about any handheld GPS device (e.g., Garmin) or any GPS app for a phone (I use GeoTracker) will record a track. The GPS coordinates ..." | Read more » over 2 years ago
cfastie "It is likely that the library that you do not want to use will provide the functionality that you are seeking. Adding these lines (and installing ..." | Read more » over 3 years ago
cfastie "I have not heard of anyone using a microcontroller (Arduino or ESP board) to read data from an SD card. But maybe it is possible. A more common str..." | Read more » almost 4 years ago
cfastie "I haven't tried that Feather combination. I have also never seen a list of Feather-Featherwing combinations that are incompatible. So I assume it w..." | Read more » almost 4 years ago
cfastie "It looks like the PIC12LF will do what you need. There is also a low power 555 timer (TLC555) but it is not as low power as the PIC12LF. " | Read more » almost 4 years ago
cfastie "The TPL5110 depends on getting a signal to the DONE pin, so I am not sure it can just send a pulse every eight seconds. The TPL5111 sets an enable ..." | Read more » almost 4 years ago
cfastie "Low power operation: To run your data logger for a long time on small batteries, you can put the Arduino and other components to sleep between log..." | Read more » over 4 years ago
cfastie " The link was finally fixed on May 16, 2019 when the view count was 1005. " | Read more » over 4 years ago
cfastie "The specs for the TPL-5110 timer IC say it can time intervals up to 7200 seconds (2 hours). It seems unlikely that it could be extended beyond that..." | Read more » over 4 years ago
cfastie "Hi tahnok, Those inexpensive anemometers seems to be missing an important feature of the expensive Kestrel and other fancy anemometers. They do no..." | Read more » over 4 years ago
cfastie " Writing data to eeprom will work with the limitations you outline. Adding a microSD card module and 128 MB SD card costs less than $2.00. Adding..." | Read more » over 4 years ago
cfastie "Thanks, I have pinged the editor. The views on this research note have doubled since December. I wonder what they would be if the link had been co..." | Read more » over 4 years ago
cfastie " I just noticed that Limor Fried wrote an article for Make Magazine in January citing this research note and using one of the images. An editor ask..." | Read more » over 4 years ago
cfastie " The simplest modification to make the sketch save to SD card once per minute is to change the line: if (logData == 1) // wr..." | Read more » almost 5 years ago
cfastie "Liz, it's great to know that you (or I guess your Mom) were well coiffed in the 80s, although I regret that you did not include photographic eviden..." | Read more » almost 5 years ago
cfastie "Leslie, I will lend you anything you need. Tell me about your HEPA setup. You must already have a 5V Arduino, so all you need is three DuPont wires..." | Read more » about 5 years ago
cfastie "Thanks Nick. It's good to know about the duplicate sensors. That's an intriguing engineering decision. Chris " | Read more » about 5 years ago
cfastie "What do you guys think, is it okay to use the mean instead of the median? @pdhixenbaugh, @MadTinker, @Shanlter, @rockets " | Read more » over 5 years ago
cfastie "Fig. 6 was created using Fritzing (http://fritzing.org/home/). The annotations and some editing were then done in PhotoShop. " | Read more » over 5 years ago
cfastie "Kina, thanks for the videos. Very helpful. I might try CoolTerm again, since I was using a sketch that did not format the serial output in an appro..." | Read more » over 5 years ago
cfastie "I tried CoolTerm and never got it to work. I tried for only a half hour, so my failure is not so surprising. If you have a working data logger (e.g..." | Read more » over 5 years ago
cfastie "Liz, I don't know the specs of the 1/4" phone plug, but it needs only two contacts, the tip and one ring along the shaft. I'm not sure which types ..." | Read more » over 5 years ago
cfastie "New answer below where I could attach a file. " | Read more » over 5 years ago
cfastie "A 1/4" stereo/phone plug connects to the HCHO sensor and two wires from that cable connect to the Arduino (tip of plug to A3, ring to GND). Below (..." | Read more » over 5 years ago