I don't know what I was expecting but ended up sending them back. Cool idea, I can see what the app is using, but if there's space between the nodes it's not a perfect cut.
Digital multimeter RGK DM-12
6 Review
π₯ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review
π Dioxide Controller for Digital Gas Monitoring
5 Review
π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review