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Author Topic: some ideas might help ..  (Read 2504 times)

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Offline 1sam3Topic starter

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some ideas might help ..
« on: February 23, 2008, 08:31:43 AM »
hi evry1, am tryin to build a satellite dish with an extra function of holding a signal whilst on a moving vehicle.. now am building a base for the satellite which rotates clockwise and anticlockwise, am getting a light geared dc motor but am searching for a motor driver that is easy to use and cheap (money is an issue in my project).. for a while i was considering to buy a h-bridge due to it being able to rotate my motor in both directions, but i cant find a cheap one, so are there any ideas or alternatives that can help me?.. thnx

Offline Trumpkin

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Re: some ideas might help ..
« Reply #1 on: February 23, 2008, 08:38:00 AM »
is this going to be rc or autonomous?
Robots are awesome!

Offline 1sam3Topic starter

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Re: some ideas might help ..
« Reply #2 on: February 23, 2008, 08:48:20 AM »
autonomous

Offline airman00

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Re: some ideas might help ..
« Reply #3 on: February 23, 2008, 07:40:35 PM »
buy MOSFETS which are high current transistors and make your own H bridge
Check out the Roboduino, Arduino-compatible board!


Link: http://curiousinventor.com/kits/roboduino

www.Narobo.com

Offline 1sam3Topic starter

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Re: some ideas might help ..
« Reply #4 on: February 26, 2008, 10:28:23 AM »
have thought of that already, but guessing it might the cheapest way..
well on the same project am tryin to build a base for the satellite dish which will rotate both in the clockwise/anticlockwise direction ~360degress (my idea was thinking of making/buying something like the robotic arm base)..
any ideas??

Offline airman00

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Re: some ideas might help ..
« Reply #5 on: February 26, 2008, 07:18:45 PM »
i'm assuming you want precision turning ( meaning you can control exactly where you want it to be)

so for that just used a geared stepper motor or just a geared DC motor with encoder

how heavy objects will the base need to spin?

more details would be helpful as well
Check out the Roboduino, Arduino-compatible board!


Link: http://curiousinventor.com/kits/roboduino

www.Narobo.com

Offline Admin

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Re: some ideas might help ..
« Reply #6 on: March 09, 2008, 10:26:37 AM »
Look for motor controllers, motor drivers, ESC's, and a chip called the L298.

Also this:
http://www.societyofrobots.com/robot_parts_list_electronics.shtml

 


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