The PIR library implements a class to monitor 1 or more PIR sensors. The library supports default 8 PIR sensors per object, which typically are added in setup(). It is possible to add a sensor (pin) ...

For some reason, heating system wiring seems to mystify some people, especially my plumber friends. (I can pick on plumbers; I’ve been one for 25 years.) Most plumbers plug in their droplights and ...

Abstract: This article presents a noncontact voltage sensing method and hardware prototype for multi-wire cables. The system self-calibrates and never requires contact to energized system conductors.

The 2015 model Jazz was recalled for a CVT transmission problem which could see high internal hydraulic pressure cause an internal shaft to break, at which point the car would lose all drive. However, ...

This low-power transceiver module uses the Maxim MAX485 IC to enable serial communication over extremely long cable runs (up to 4000 feet / 1200 meters). At a data rate of up to 2.5Mbps, serial data ...