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Unread 03-09-2014, 23:01
Snakebyte 4546 Snakebyte 4546 is offline
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Join Date: Aug 2014
Location: Austin, Texas
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Re: [FTC]: 2014-2015 Game Manual Part 1 Now Online

Quote:
Originally Posted by skatefriday View Post
We powered an led light strip via the main robot battery pack, running
it through a 7805 voltage regulator (with a huge heat sink) last year.

We had a schematic of the voltage regulation circuit and a fully educated
team member for judging should a judge question the setup.

Note that all microcontrollers, which includes an arduino, must be
powered from the superpro protoboard, and it can only supply
something along the lines of 8mA. A stock arduino will draw 20mA,
so we ran a barebones ATmega328 to drive the led strip.

Writeup here:

http://degreesplato.wordpress.com/20...s-need-lights/
I remember reading in the new game manual that external 9V ARE allowed this year.

Quote:
[B]Game Manual Part 1 2014-2015: <R11>.D.i[/b]

All power used in the circuits connected to the Prototype Board must be derived from the power
connections provided within the board including the board’s optional additional 9V battery.
If this is the case ya'll CAN use your actual Arduino with a 9V power. Thoughts?

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