| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| arslanshahamazon | "https://apkaone.com/ " | Read more » | over 1 year ago | |||
| rmd6502 | " node_block_diagram.svg " | Read more » | about 2 years ago | |||
| warren | "Just noting also a big round up of notes on humidity and fog with optical sensors here: https://publiclab.org/questions/sarasage/08-10-2021/is-the..." | Read more » | over 3 years ago | |||
| hansley10 | "Thanks for sharing these great tips about blog commenting. Keep up the great work. best server for small business " | Read more » | over 3 years ago | |||
| subir | "Wow, thanks once again. Its been many months searching for such information from 'experts' i know locally but none were so clear and responsive. Re..." | Read more » | about 5 years ago | |||
| guolivar | "Great tear-down! I see that a lot of love went into the Sensiron design and I mostly agree with the comments ... the issue of the HEPA filter is m..." | Read more » | about 5 years ago | |||
| subir | "Hey thanks a lot! Your reply is very interesting and so are your explanations. Here's a 'tear-down' of this sensor, and with fantastic explanations..." | Read more » | about 5 years ago | |||
| guolivar | "First, I haven't used the SPS30 so can't comment on specifics for those sensors. However, I have many years of experience working with aerosol meas..." | Read more » | about 5 years ago | |||
| warren | "TRRS plugs (4-pin plugs) are not super consistent, but this worked for me. I'll try to upload another pic with the exact pins of the jack also shown! " | Read more » | about 5 years ago | |||
| warren | "Here's a pic of a WebJack plug (using a 4-pin jack) attached to pins 3 and 6 of the #Simple-Air-Sensor, which has WebJack installed by default: ..." | Read more » | about 5 years ago | |||
| liz | "For future readers of this thread, @samr did repost here: https://publiclab.org/questions/samr/04-07-2019/how-to-interpret-pms5003-sensor-values " | Read more » | over 5 years ago | |||
| warren | " Hi @samr, would you be able to repost your last questions on https://publiclab.org/purpleair#Questions, and we can then try to get the word out a ..." | Read more » | over 5 years ago | |||
| samr | " hi. we are trying to use the pms5003 sensor for a school project to take air quality measurements. We don't have much experience with air qualit..." | Read more » | over 5 years ago | |||
| warren | " Just linking in your excellent question here: https://publiclab.org/questions/wu_ming2/02-02-2019/how-do-i-calculate-error-for-averages " | Read more » | almost 6 years ago | |||
| onedollarwebhostings | " Get a great lesson for this post. Visit at http://www.onedollarwebhostings.com/rs-99-web-hosting-domain-godaddy-india.html to get a best hosting o..." | Read more » | almost 6 years ago | |||
| wu_ming2 | "I posted a related question awaiting approval but may be more useful to follow up here. I am trying to estimate the error for PA2.5 values as prov..." | Read more » | almost 6 years ago | |||
| lincomatic | "Some anecdotal evidence.. I've built my own PM2.5 monitor using the PMS5003, and have found it to be very resistant to influences of high humidity,..." | Read more » | almost 6 years ago | |||
| warren | "Hi, any updates on the high humidity tests? Thank you! " | Read more » | almost 6 years ago | |||
| warren | "@guolivar have you read over these reports and do they factor into your assessment of the Purple Air? Thank you both! " | Read more » | about 6 years ago | |||
| warren | "This is a GREAT post. Thank you so much!!! " | Read more » | about 6 years ago | |||
| warren | "Ah, yes, confirmed by @guolivar's post: https://publiclab.org/notes/guolivar/01-08-2018/thoughts-on-low-cost-air-quality-sensors " | Read more » | about 6 years ago | |||
| warren | "@warren awards a barnstar to guolivar for their awesome contribution! " | Read more » | about 6 years ago | |||
| warren | "Just compiling some quick links to where these parts can be found cheaply and easily: Sensor: $16.50 on amazon: https://www.amazon.com/Air-Qualit..." | Read more » | about 6 years ago | |||
| warren | "Quick update - the sensor in the Purple Air seems to be this one or one very similar, a laser based sensor with a fan -- the PMS5003 -- $30 shippe..." | Read more » | about 6 years ago |