The actuator tag has no wiki summary.
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0answers
77 views
Ideas for actuation/actuators besides motors
I have a 1 cm piece of standard rubber tubing with a 1 mm hole at exactly one point along the surface of the tube.
Probably doesn't warrant a picture but just for clarity:
I would like to ...
-1
votes
2answers
186 views
Robotic button pusher [closed]
I purchased a Gigapan Epic Pro a while back (www.gigapan.com).
I love this device but I would like to be able to access the buttons on it, from a distance. (I want to mount the unit on top of a ...
-1
votes
2answers
309 views
Cheap linear actuator recommendations?
I've been doing a lot of research into linear actuators, and have come up pretty much empty handed in finding any small sized (lifting force 10-30 newtons) linear actuators for a doable price (30-50 ...
3
votes
1answer
162 views
Are there electronic devices that can be used to replace hydraulic cylinders with short strokes
We use hydraulic cylinders in many applications to release brakes and clamp things. The choice of hydraulics is based on them being strong relative to their size. There are a couple of downsides with ...
3
votes
2answers
256 views
Switching 24V and GND with MOSFETs
I need to control motion direction of linear actuator. It works off of 24V power supply, and if i switch polarity of supply it goes to opposite direction. The supply for actuator is simple DC with no ...
1
vote
2answers
77 views
What part/actuator do you think they used
At around 2:20 in this video there is an interesting use of electronics. You can watch the video but in short there are these little spoon creatures that pop out from behind a covering. The speed at ...
9
votes
4answers
314 views
Methods to accurately move an object across a 2-D plane
This is the opposite/complement of my previous question, which concerned measuring the precise position of an object as it is moved/drawn by someone over a short duration. Assuming I use one of ...
3
votes
3answers
174 views
Energy conversion from Electrical to Mechanical
I have a requirement where I have to design a very small device capable of pulling in and out a small piston through a feedback.I know it can be done using motor but AFAIK I need higher voltage and ...
2
votes
2answers
87 views
Playing back recorded movements with servos
I'm new to motors/servos so could do with a bit of advice. I'm currently working with 3 Dynamixel servos and it's cool that they can be programmed fairly easily and I can get the current position when ...
0
votes
1answer
201 views
Looking for linear solenoid actuators less than 2 cm in length [closed]
Do such parts exist? Are they cheap?
I want to take a sheet of plastic and cover both sides with solenoids, some aligned in the X direction and some aligned in the Y direction. With at least a ...
5
votes
3answers
430 views
Muscle wire considerations
I am in the planning stages of a project for my new son/daughter, who will be arriving in December. The project involves using muscle wire to make bug or bird slowly flap it's wings. The form will be ...
9
votes
2answers
212 views
Sensors that are also actuators?
this is more of a theoretical question, and I do not know if this is suited for this QA site at all, but at school I was asked to provide 3 examples of sensors (in the narrow sense) that are also ...
3
votes
3answers
403 views
Selecting small motor (wrist watch sized)
I want to build a skydiving altimeter, which is a device with a pointer that looks like and is slightly bigger than a wrist watch. In this device I want to display altitude information using a ...
2
votes
3answers
2k views
Where can I get a small cheap linear actuator?
First, I should clarify: I am not looking for much power or much precision. I am looking for the cheapest thing I can plug into an arduino. I am just looking for stuff I can use for ...
4
votes
4answers
3k views
How do I build a bracelet that vibrates once every n minutes?
I intend to establish a few new personal habits that eventually become second-nature to me. To assist myself, I want to wear a bracelet that vibrates every, say, 5 minutes all throughout the day as a ...
1
vote
4answers
1k views
Can a Computer Motherboard Speaker/Buzzer output voltage switch a relay?
Most 12v relays I've come across require 4v to switch on. I don't have a voltmeter handy to test my computer motherboards voltage output, and if it did give out +4v and held a long enough duration ...
2
votes
2answers
1k views
Driving hard drive voice coil actuator with PWM
I have been trying to control a voice coil actuator with PWM input, but i have the following problems and would like you to correct or point me in new directions.
I have an arduino which outputs PWM ...
1
vote
1answer
133 views
Recommendation of actuator
I had posted about my project earlier in this forum:
PID algorithm implementation using computer vision
Now I am currently stuck in a stage whether I am concerned whether I chose the wrong actuator.
...
1
vote
2answers
329 views
what would be the most suitable components to replace some relays?
I'm working on an electronic product based on a microcontroller that must be able to control a series of actuators: 230V AC motors ON/OFF, 24V DC motors ON/OFF, 80V/20A heating element ON/OFF. The ...
2
votes
3answers
633 views
Can I use a subwoofer as a linear actuator?
I need an actuator with a few mm of travel and it has to be very responsive to a very low frequency (DC-10Hz) sine wave generated by a function generator.
I'm thinking of getting a cheap subwoofer ...
3
votes
3answers
653 views
Automatic Button Pushing Device Hardware
I want to make a wrist mounted button pusher, connected to a timer that can be programmed with a routine to push buttons at specific times accurate to a millisecond. I've been told I could use a ...
1
vote
3answers
251 views
Controlling a mechanical shutter with an electromagnet
I'd like to drive a pair of mechanical shutter / apertures with an electromagnet. For those curious, we're using a shutter from Edmond optical. For the particular application, I'd like to design a ...
4
votes
9answers
3k views
hardware for pushing buttons
Many times I want my computer to interface old hardware. Such as radio, light switch, etc. This mostly involves pushing pressing and moving various buttons and switches.
I don't want to buy new ...
