Intro to DC Barrel Jack – Screw Terminal Breakout

Voltage Power-supplies or adapters as we normally call in India, have this particular male-female pin configuration, which has to matched to draw the current through it.

However most of the hackers like us simple cutoff the pins in the end & draw the wires out directly to the supply, but doing so will spoil the power supply & make it unfit for using it with boards & modules like it was intended to be used earlier.

So we designed this simple breakout board, which comes with a female DC barrel jack connector, reverse polarity connection using a diode & a 2 pin screw terminal. Using this breakout you just have to tighten 2 wires into the screw terminal & use the supply as it was intended.

 

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