Extension Board
Fleeting- External reference: https://forum.arduino.cc/t/what-exactly-does-the-term-shield-mean/13807/2
for board with a single microcontroller
official definition is: ‘Shields are boards that can be plugged on top of the Arduino PCB extending its capabilities. See:
— https://forum.arduino.cc/t/what-exactly-does-the-term-shield-mean/13807/2
Think daughterboard. It’s a board usually the same size and shape of the arduino with peripherals, extra connection points for soldering, etc.
— https://forum.arduino.cc/t/what-exactly-does-the-term-shield-mean/13807/2
the shields are designed well, you can mix-and-match several of them to build your system. Sometimes the shield can’t have another stacked on top (
— https://forum.arduino.cc/t/what-exactly-does-the-term-shield-mean/13807/2