Hello , I am wondering if is it possible to track nodemcu8266 position inside a closed environment, so not the geolocalization data but more precise positioning and eventually make a heatmap on thingspeak out of that data? I have no idea where to start research or check how to , any advice or information woul dbe helpfull .
If nodemcus cannot be used and requires more precise systems is fine as well , I am just exploring the idea to track people movements inside a room to see where they stay the most and where the least and how to approach the problem ...
thanks for any helps , advices, solutions or sugestions
We did this quite successfully to present a prototype back around the early 2010s…
The choice of cpu isn’t all that important, but the choice of transponders is.
We used ACTIVE RFID tags, three or more fixed readers, and TRILATERATION to locate the tags in and around the tagged arena.
The range was certainly usable, and accuracy was quite good when short term signal disturbances were averaged out.
Our target field was intended to be at least 50x50m with positioning good to 3m. The POC was well up to this performance.
Little Napoleon personalities got in the way of commercialising the development.
Us, as the devs, walked away. sigh.
Old news, actually. Pozyx has been doing this for many years, but their systems are priced out of reach of most hobbyists. Decawave lowered the bar to about $20/tag.
