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Topic: ROBOCUP SOLENOID & CAPACITORS (Read 968 times) previous topic - next topic

a1scope

hey guys, I am in the process of building a soccer robot and i need help with the electronics behind powering a solenoid with a capacitor bank and how to charge the capacitors.

I have a 20volt solenoid that i can supply around 18volts to using 2x9volt batteries in parallel. I need to charge a capacitor to about 200 000 mf i was thinking and exactly 70 volts because that is the competition voltage limit. i was thinking i might need to use a fly back converter to step voltage up from the source to the caps or a step down from the caps to the solenoid depending on the caps i were to use. I absolutely have know idea of how any of the typologies work and i need it to be supper simple because i am more of a coder than electronic engineer :P i need to kick the ball with the same intensity as this video http://www.youtube.com/watch?v=e4--qDNGgQE and it would be great to keep it all quite simple so i don't have to build any complex circuits or anything, i don't mind some electronics but yeah just trying to keep it simple... i have built this much of the robot so far : http://www.youtube.com/watch?v=_cw6xVXt0gI

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