| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| cfastie | "The Plantower sensors require 4.5 to 5.5 volts. They work well with 5 volt Arduinos. They might not work properly with ESP8266 or ESP32 boards beca..." | Read more » | about 3 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 » | over 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 » | over 5 years ago | |||
| cfastie | "Thanks Nick. It's good to know about the duplicate sensors. That's an intriguing engineering decision. Chris " | Read more » | over 5 years ago | |||
| cfastie | "These might do the same thing for 10¢ apiece: https://www.ebay.com/itm/10Pcs-3-5mm-Female-Stereo-Audio-Socket-Headphone-Jack-Connector-5-Pin-PCB-Mo..." | Read more » | almost 6 years ago | |||
| cfastie | "I have not used graphing for live debugging because I didn't know how easy it was to do. I use the live serial monitor in the Arduino IDE all the t..." | Read more » | about 6 years ago | |||
| cfastie | "This is a great trick. I have made a bunch of these. If you are doing this with a cheap USB cable, you might want to check the red and black wires ..." | Read more » | about 6 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 | |||
| cfastie | "Those male + female headers would be really handy. This is the first time I have used a Nano without headers, and it makes a really tidy package fo..." | Read more » | about 7 years ago | |||
| cfastie | "Hi Liz, The components wired together weigh 33 grams and the bracket weighs 8 g. The batteries to power it weigh a lot more than that. A case with ..." | Read more » | about 7 years ago |