Abstract: The smart agriculture system is based on the STM32 microcontroller as the system core, and uses temperature and humidity sensors, soil moisture detection modules, carbon dioxide modules, and ...

Abstract: Amplify-and-forward relay techniques combined with OFDM (Orthogonal Frequency Division Multiplexing) modulations are being considered for broadband wireless systems since they allow simple ...

While standard receptacles typically use three wires -- hot, neutral and ground -- you'll occasionally find 2-prong outlets in older homes. Since this type of outlet lacks a ground connection, the ...

Relays can be tiny elements, yet they play vital functions in electrical systems. They operate circuits, guard equipment, and ...