| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| 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 » | almost 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 » | almost 6 years ago | |||
| cfastie | "Yes, I agree that this is a different approach to an issue that has had a lot of effort directed at software solutions. This is a purely hardware s..." | Read more » | over 6 years ago | |||
| cfastie | "Hi Adam, Those thermoelectric fans are very smart. This guy on YouTube shows how to make one with a $3.00 thermoelectric module and parts recycled..." | Read more » | over 6 years ago | |||
| cfastie | "I like the idea of linking to other notes that set the stage for the current one. I was using the response:##### powertag for a while, but that doe..." | Read more » | over 6 years ago | |||
| cfastie | "Thanks Jeff. That's a really interesting question. I did not include step by step instructions, so a complete novice would have to do some research..." | Read more » | over 6 years ago | |||
| cfastie | "It would be fun to try an Aeropod. I couldn't find any details about the instruments, but it looks like an awesome contraption to fly. " | Read more » | over 6 years ago | |||
| cfastie | "A pitot tube measures air pressure and uses fancy math to relate that to wind speed. I assume the ones on airplanes work better than the Rev P. " | Read more » | over 6 years ago | |||
| cfastie | "I decided not to drop into the rabbit hole of applying time series analysis to these data. There does appear to be some periodicity present, but I ..." | Read more » | over 6 years ago | |||
| cfastie | "I have a hypothesis about the different results obtained with two BME280 sensors on the flying rig. A difference of 3° to 4°C is more than should b..." | Read more » | over 6 years ago | |||
| cfastie | "Yes, the newer Rev. P sensor works better in high wind because it has a strong heater so the wind can't cool it off too fast. But the older Rev C s..." | Read more » | over 6 years ago | |||
| cfastie | "A running mean of the aerial wind speed looks like a very reasonable result. The red line is a running mean of 10 observations (which were six seco..." | Read more » | over 6 years ago | |||
| cfastie | "The Mini Pearl Logger in the compost pile stopped logging today when the battery voltage dropped too low. Four AAA eneloops ran the logger for 13.5..." | Read more » | almost 7 years ago | |||
| cfastie | "I checked on the Mini Pearl logger in the compost pile today and swapped SD cards. It was still logging after 7.5 days, so that's a new record. I n..." | Read more » | almost 7 years ago | |||
| cfastie | "Thanks Ed, I disabled the LEDs and deployed the Mini Pearl Logger in the compost pile again. The batteries lasted 6.5 days instead of 2.3 days. So..." | Read more » | almost 7 years ago | |||
| cfastie | "Thanks guys. I started the SkyPod wiki. I'm never sure what constitutes an Activity, but maybe there will be some obvious ones eventually. " | Read more » | almost 7 years ago | |||
| cfastie | "Ah, I see. Those keywords, DATE and TIME, refer to the time the sketch was compiled and are saved on the Arduino until a new sketch is loaded. Tha..." | Read more » | almost 7 years ago | |||
| cfastie | "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 » | almost 7 years ago | |||
| cfastie | "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 » | almost 7 years ago | |||
| cfastie | "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 » | almost 7 years ago | |||
| cfastie | "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 » | almost 7 years ago | |||
| cfastie | "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 » | almost 7 years ago | |||
| cfastie | "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 » | almost 7 years ago |