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ROBOTICS & CNC / ROBOTICS
Lock-style Solenoid - 12VDC
PRODUCT ID: 1512
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DESCRIPTION
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Solenoids are basically electromagnets: they are made of a big coil of copper wire
with an armature (a slug of metal) in the middle. When the coil is energized, the
slug is pulled into the center of the coil. This makes the solenoid able to pull from
one end.
This solenoid in particular is nice and strong, and has a slug with a slanted cut and
a good mounting bracket. It's basically an electronic lock, designed for a basic
cabinet or safe or door. Normally the lock is active so you can't open the door
because the solenoid slug is in the way. It does not use any power in this state.
When 9-12VDC is applied, the slug pulls in so it doesn't stick out anymore and the
door can be opened.
The solenoids come with the slanted slug as shown above, but you can open it with
the two Phillips-head screws and turn it around so its rotated 90, 180 or 270
degrees so that it matches the door you want to use it with.
To drive a solenoid you will a power transistor and a diode, check this diagram for
how to wire it to an Arduino or other microcontroller. You will need a fairly good
power supply to drive a solenoid, as a lot of current will rush into the solenoid to
charge up the electro-magnet, about 500mA, so don't try to power it with a 9V
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battery!
http://www.adafruit.com/products/1512
7/21/2015
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