The jack has three pins: pin 1 comes out of the back of the jack and is connected to the center pole, pin 2 comes out of the bottom of the jack and is connected to the side wall, and pin 3 comes out the side of the jack and is automatically switched based on whether there is anything plugged into the jack. With nothing plugged into the jack, pins 2 and 3 are shorted together; with an adapter plugged into the jack, pin 3 is disconnected. This feature makes it easy to create a system that is powered by a wall adapter when one is plugged into the jack and by a battery the remainder of the time.

Package Includes:

1 x Pololu 1139 DC Power Adapter Barrel Jack

Pololu 1139 DC Power Adapter Barrel Jack

Brand:: Pololu
Product Code: :Pololu-1139-Power-Adapter
Reward Points: :1
Availability: :In Stock

रo 100.41
Price in reward points: 100
25 or more रo 95.23

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