/products/roadtest/b/blog/posts/getting-started-with-the-panasonic-sn-gcja5-laser-type-particulate-matter-pm-sensor-using-uart-ttlIntroduction I&rsquo;m in the process of road-testing the Panasonic SN-GCJA5 Laser Type Particulate Matter (PM) Sensor and I wanted to see how easy or difficult it would be to receive a data stream from the sensor as my minimum viable solution. Acco...en-USTelligent Community 12https://community.element14.com/products/roadtest/b/blog/posts/getting-started-with-the-panasonic-sn-gcja5-laser-type-particulate-matter-pm-sensor-using-uart-ttlThu, 23 Dec 2021 19:47:55 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:37537479-bbfc-41ad-96b4-685b4d35e94dgenebren1<p>Looking good!&nbsp; I came to the same conclusion, that the UART path would be the way to go.&nbsp; The library that I use for I2C does not handle the &#39;repeated start&#39; or have a way to insert a delay into the read process.&nbsp; So far the UART method has been working well for me.&nbsp; Continued good luck on your roadtest!</p><img src="https://community.element14.com/aggbug?PostID=22601&AppID=14&AppType=Weblog&ContentType=0" width="1" height="1">