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Unread 19-01-2008, 18:59
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VEX Robotics Engineer
AKA: Arthur Dutra IV; NERD #18
FRC #0148 (Robowranglers)
Team Role: Engineer
 
Join Date: Mar 2005
Rookie Year: 2002
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Re: Hybrid period legal sonic remote system

Quote:
Originally Posted by Steve_Alaniz View Post
Actually, I don't think there are any legal sonic remote systems. The board is IR so you'd have to modify it to be able to receive any commands from a sonic system. Or build an interface. Unless they specifically say you're allowed to modify or add to the IR board, you are in effect creating a new signaling device.
I just don't think it would be allowed but if there is any doubt, this should be asked directly so we can have an answer in an update.

Steve
No, sonic remote systems are in fact legal. Under <R65> you can use any visible light, IR light, or sound emitting device (as long as it's smaller than 3'x3'x1' in size) as your signaling device. Use of the IR board is optional, not required.

Quote:
Originally Posted by <R65>
<R65> SIGNALING DEVICES shall be designed to communicate signals from the ROBOCOACH
to the ROBOT. SIGNALING DEVICES are excluded from Rule <R64>. SIGNALING
DEVICES shall:
- use either passive (no emission of any electromagnetic radiation) or active (emits some
restricted form of electromagnetic radiation) means of communication
- be hand held and completely supported by the ROBOCOACH when operated
- does not attach to anything or anyone other than the ROBOCOACH
- exclusively receives input from, and is operated by, the ROBOCOACH
- not receive any input or feedback directly from the ROBOT (the ROBOCOACH may
receive feedback from the ROBOT and use it to control the SIGNALING DEVICE)
- be no larger than 3 feet tall by 3 feet wide by 1 foot deep (to fit within the confined
volume of the ROBOCOACH STATION
- remain entirely within the ROBOCOACH STATION
- use a maximum of four different inputs from the ROBOCOACH (e.g. use four different
buttons) during any single MATCH
- communicate no more than four messages, states or conditions to the ROBOT (please
refer to Rule <R69> and Rule <G01> for additional information) during any single
MATCH.
Active SIGNALING DEVICES shall:
- use visible light, infrared communications, or sound as the transmission method – no
other form of electro-magnetic radiation is permitted
a. All radio frequency communications (as defined by the United States Federal
Communications Commission) are explicitly prohibited.
b. All laser-based communications by any device classified by the U.S.
Department of Labor Occupational Safety and Health Administration (OSHA)
as a laser are explicitly prohibited.
c. All communications must satisfy Rule <S01>.
- not be used to interfere with any other ROBOT
- be able to switch between no more than four states or conditions (i.e. send no more than
four messages)
- be operated through only a single input at any given time (e.g. may not be operated by
depressing two buttons at one time)
- not use changes in the signal states to encode or transmit larger messages (e.g. Morse
code)
__________________
Art Dutra IV
Robotics Engineer, VEX Robotics, Inc., a subsidiary of Innovation First International (IFI)
Robowranglers Team 148 | GUS Robotics Team 228 (Alumni) | Rho Beta Epsilon (Alumni) | @arthurdutra

世上无难事,只怕有心人.