1. Yes. No soldering required. Just put it on the socket on the presoldered board. 2. Just buy the presoldered kit and SGP41 module together (put both items in

1. Yes. No soldering required. Just put it on the socket on the presoldered board. 2. Just buy the presoldered kit and SGP41 module together (put both items into the shopping cart). 3. Yes. The software will already show the TVOC and NOx values.