資料來源:https://www.sparkfun.com/products/10288
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution.
該適配器可至每桶插孔連接器連接到裸線。一端有螺釘端子,另外有5.5x2.1mm,中心陽性的女性桶插孔。如果你有一個桶插孔的電源,並希望將其插入一塊麵包板,這可能是簡單的解決方案。