Arduino MEGA 2560 Based Project for many sensors and buttons.

Dependant Libraries

https://github.com/thomasfredericks/Bounce2

http://playground.arduino.cc/Code/SimpleTimer

https://pubsubclient.knolleary.net/

https://www.pjrc.com/teensy/td_libs_OneWire.html

https://www.milesburton.com/Dallas_Temperature_Control_Library

https://github.com/adafruit/DHT-sensor-library

https://github.com/sktaylortrash/HeartBeat

Dependant Projects

https://github.com/sktaylortrash/atTiny85-Watchdog