BT138 – What is it? Specifications, diagram, price and reviews
What exactly is the BT138?
Learn about its technical data and user reviews about it.
Find out what is the approximate price of this semiconductor.
Real-time clock – What is it and what is it used for?
Learn about the real-time clock (RTC) – a key device for electronic systems.
Learn what principles it operates on and what functions it performs.