Iron Man hand repulsor (animatronic)

Honus

Honus

Sr Member
Here you go-
YouTube - Iron Man hand repulsor

This uses a bend sensor to determine your hand position- when your fingers are fully extended it triggers the repulsor and then moves a servo to open and close the missile compartment.

I was originally working on a Predator blade mechanism using a bend sensor and after I finished another Iron Man project for a client I figured I could adapt the Predator code and add a repulsor and presto- instant hand triggered repulsor power up/down sequence. Neato.

Jerome
 
Very cool. Just don't kill the servo, i don't know how much they are where you are but the cheapest ones here are still like 25.00. lol.
 
cobalt crimson said:
Very cool. Just don't kill the servo, i don't know how much they are where you are but the cheapest ones here are still like 25.00. lol.
Click to expand...

It won't kill the servo. The controller can drive any R/C servo- you just have to make sure the servo is strong enough to lift the missile compartment mechanism. Since I can call out the exact servo position (on both ends) you can even gear the servo using something like a 3:1 ratio. I use a similar setup for a Predator P1 cannon mechanism and it works very well.

Jerome
 
Honus said:
It won't kill the servo. The controller can drive any R/C servo- you just have to make sure the servo is strong enough to lift the missile compartment mechanism. Since I can call out the exact servo position (on both ends) you can even gear the servo using something like a 3:1 ratio. I use a similar setup for a Predator P1 cannon mechanism and it works very well.

Jerome
Click to expand...

Now you see why i didn't get far into the robot projects, i didn't read up much on it before realizing i can't afford it lol. This is very cool though.
 
Use a "digital" servo. They have more thrust for a given size and a conventional servo controller will work fine. You will need to make sure that the power supply will handle the current requirements, though.
 
jwrjr said:
Use a "digital" servo. They have more thrust for a given size and a conventional servo controller will work fine. You will need to make sure that the power supply will handle the current requirements, though.
Click to expand...

Yep, the newer digital servos are definitely nice in terms of speed and power but they can be pricey. Some of the features like end point adjustment aren't needed as the microcontroller code takes care of that. I usually use gearing when I have an application that requires the servo to rotate more than 360 degrees, yet still need precise positioning by using an externally geared potentiometer.

You can also build your own custom servos using the open servo board-
OpenServo high quality open source digital servo

I haven't played around with it yet but controlling servos over I2C/TWI with feedback is interesting. And you can still use it with standard PWM input. Cool stuff.
 
Another great invention from an electronics guru! Wait until you all see what Jerome built for my Iron Man mechanical boot :D
 
is there any chance you would be interested in explaining how to make one? or perhaps selling one? that would be awesome for my suit when i get to making it :love
 
hollywoodhardware said:
Another great invention from an electronics guru! Wait until you all see what Jerome built for my Iron Man mechanical boot :D
Click to expand...

You are far too kind! From what I've seen of your project so far it's going to be awesome when it's done. I just hope everything fits in there! :lol
 
phaeren86 said:
is there any chance you would be interested in explaining how to make one? or perhaps selling one? that would be awesome for my suit when i get to making it :love
Click to expand...

You're in luck! I'm working on a big costuming animatronics tutorial- it's almost done. I'll show you how to build the controller and program it as well as connect servos, transistors, bend sensors, LEDs, etc. I'll even show how to connect two controllers to each other using a wireless radio.

There will be several examples included- driving servos and LEDS, the hand repulsor, War Machine cannon, Predator cannon, etc.

I'll be starting a separate topic for it when it's done so stay tuned...

One thing I should mention is that you could control an entire War Machine setup from a single controller. The controller board I designed can support multiple servos and transistors so you could have a small fingertip joystick and button switch to control the animatronic cannon, a bend sensor to control a hand repulsor/missile compartment and another fingertip button to activate the helmet faceplate and have the eyes turn on when the faceplate is down. The separate sound board can also support up to six individual sound files. It would take a bit of time to work out all the sequences but it absolutely could be done.

And of course I will build animatronic systems for people as time allows. :)

Just PM me if you need something built.

Jerome
 
Last edited:
Right now I'm trying to figure out how to make the shoulder rockets. I've got this super slim linear slide that is servo driven that raises the rocket launchers so they can rotate forward. I should have the prototype finished soon. The code is the easy part- getting everything to fit is something else! I need someone local with a suit to test this stuff...
 
you meaning war machine ? :confused

Honus said:
Right now I'm trying to figure out how to make the shoulder rockets. I've got this super slim linear slide that is servo driven that raises the rocket launchers so they can rotate forward. I should have the prototype finished soon. The code is the easy part- getting everything to fit is something else! I need someone local with a suit to test this stuff...
Click to expand...
 
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