Improve road quality by blocking heavy vehicles passing from road
Initially Comment out hx.setreference() and run the code. Select a common value & divide it by the weight you'll put on the load cell in grams. Put the new value in hx.setref() and run code again.
IMP:- COPY YOUR API WRITE KEY FROM THINGSPEAK AND PASTE IT IN APIKEY function in code.
#Arduino
#Raspberry PI
#Thingspeak Cloud