| 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 » | over 2 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 | "The field evaluation report linked above includes 78 graphs comparing the results of a Purple Air sensor with a $25k GRIMM optical particle counter..." | Read more » | about 5 years ago | |||
| cfastie | "There is another version of this sensor with the same specifications and the same price but it is about half the size. Does anyone know any reason ..." | Read more » | about 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 » | over 5 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 » | almost 6 years ago |