Suggestion for my project


i'm student working high altitude balloon. i'm trying create buzzer turns on temperature difference, pressure difference, , altitude difference. believe when temperature (new) - temperature (old) positive or zero, altitude (new) - altitude (old) negative or zero, , pressure (new) - pressure (old) positive or zero, buzzer turn on. want have suggestion sensors project , guide code it.


please stop cross-posting.  multiple other threads removed.



Arduino Forum > Using Arduino > Project Guidance > Suggestion for my project


arduino

Comments