Questions tagged [solenoid]
An electromagnet combined with an actuator to convert electrical energy into linear physical motion.
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Is there a device to control the current in a solenoid
I want to control the current in a solenoid using a microcontroller. Ideally, I would an IC which can do PWM with per-cycle current limiting, with an SPI input. Something like the Allegro A3972, with ...
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Electrical locking mechanism (on timer)
I'm looking at making a very basic, automatic cat feeder for the odd occasion I'm not around at 2pm when she gets fed. I figured I'd keep things simple by having a door that is spring loaded, but held ...
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Irrigation Valve (24VAC Solenoid) Multiplexing
I have a fairly extensive sprinkler system in which I have used all of the available wires. I've added new landscaping that requires irrigation, but without available wires to use for the valve ...
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Considerations for powering solenoid and arduino from the same power supply
I'm working on a project where I will need to power a small solenoid (probably 12V) and an Arduino Pro Mini 3.3V (3.3-12V input, onboard circuitry regulates to 3.3V). I'm thinking about using an H-...
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Can I use a solid state relay to control a DC current?
Can I use an AC solid state relay to control a DC current as long as the DC voltage doesn't exceed the rated AC voltages?
I want to control a solenoid but I'm concerned about the inductance problem ...
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How to estimate inductive coupling between distant air coils
I have two air coils. They both have diameter d. There is a distance D between their centres.
D is much greater than d (more than 10x greater)
Both coils are at different angles, a and b, relative ...
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Solenoid Relative Force
For all those out there with solenoid experience I'm looking at a project using them for the 555 contest. The spec on most solenoids is ounces of force (at least in the price range I'm looking at). ...
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How can I control 128 (or more) solenoids?
I need to switch 128 solenoids either on or off individually, several times a second. I'd like to drive this from either a PC, or an embedded device.
How would you recommend I do this? Perhaps ...
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Flyback protection for a DC latching solenoid?
I'm looking for a solution for "flyback" protection when driving a 2 wire DC latching solenoid. You cannot use the traditional diode solution as the polarity of the coil is reversed to open or close ...
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Can Solenoids Get Sticky From Improper Usage?
I bought three spring-return, push-type solenoid. I can't remember them being sticky from the start because I only was using one at a time, but they may have been. Now that I tried to work them ...
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