Reflow soldering is a process used to attach surface mount components to printed circuit boards (PCBs) using a solder paste and heat application.

An electromechanical switch that opens and closes circuits electromechanically or electronically.

A resistor is an electrical component that limits or regulates the flow of electrical current in a circuit.

A Real-Time Clock (RTC) is a hardware component that provides precise timekeeping functionality in electronic systems.