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 Robotics / Handy Board / 7478
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Subject: 
Re: Just some questions...
Newsgroups: 
lugnet.robotics.handyboard
Date: 
Wed, 23 Feb 2000 23:32:56 GMT
Viewed: 
994 times
  
Hi,


Eric Davis <Eric_Davis@mindspring.com> wrote in message
news:8EE380D7Cericdavismindspringc@209.68.63.236...
Hey all..

I got my handyboard a few days ago.. and I have some questions..

1) What is a good battery to use?  I don't have 8 nicad batteries.. I use • a
R/C car 9.6V battery pack..  is there some specific need for certian mAh
values?

The recommended battery pack I ordered from DigiKey is rated 9.6V at 500mA.
So, Don't over kill the board.  And I think the motor chip L293D can go up
to 700mA (the TI SN754410NE can go up to 1A)  (I think I am right)...  So,
watch out...

You can order the battery cover at DigiKey also.  It is made by SERPAC.
Model 031 or 131 will work fine.


2)What method did you use to attach it to the board (I have the
RobotstoreHK one)  I ended up using two 18 gauge wires with bannana plugs
at the end.. and the corresponding plugs on the batterypack

I used 22 gauge wires for the connection from battery pack to the board. . .


3)Anybody have examples of the IC code I can see?  i can use the one line
inputs to check, say, the status of a digital input (bump sensor) but when
i write a simple program to sound the buzzer if it hits.. it doesn't • work..

Examples would be great!

I got mine to work using those sample code...
Sorry, busy.....  later.... (Someone else please help...)


4) Any good sources on building remote control interfaces?  I would like • to
have a home built transmitter with a few joysticks and buttons.. any
sources?

Not yet.  I am working on that...  Are you talking about RF or IR??


Thanks all

-Eric

--

                                                            Ray



Message has 1 Reply:
  Re: Just some questions...
 
Well, the battery pack I am using is rated for 1450 mAh.. so far.. I have not seen any probems... I was speaking of rf control earlier.. Thanks.. -me (25 years ago, 24-Feb-00, to lugnet.robotics.handyboard)

Message is in Reply To:
  Just some questions...
 
Hey all.. I got my handyboard a few days ago.. and I have some questions.. 1) What is a good battery to use? I don't have 8 nicad batteries.. I use a R/C car 9.6V battery pack.. is there some specific need for certian mAh values? 2)What method did (...) (25 years ago, 23-Feb-00, to lugnet.robotics.handyboard)

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