 | | hbtest.c errors
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I am currently assembling a Hand Board and I am on page 39 at 7.2.2 Testing, When I load hbtest.c I get the following error messages. Error in hbtest.c around line 48: Function star_press undefind. Error in hbtest.c around line 51: Function knob (...) (28 years ago, 1-Jun-98, to lugnet.robotics.handyboard)
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| | Looking for HB
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Hi, does anyone have a used Handy Board for sale? I know it is a lame question, sorry about that. Sterling (28 years ago, 31-May-98, to lugnet.robotics.handyboard)
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| | Re: Battery types
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I believe the 9.6 volt also makes a good match for most LEGO motors. -Pandit ---...--- (...) batteries... (...) overhead (...) your (...) Lithium (...) specs. (...) (28 years ago, 29-May-98, to lugnet.robotics.handyboard)
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| | Re: Battery types
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(...) <SNIP> My understanding is that 7.2V will work fine. I suspect 9.6V is used simply because 8 AA NiCd's fit so well in the specified box. The chief concerns here are: (1) do you have enough voltage overhead for the 7805; and (2) can you draw (...) (28 years ago, 29-May-98, to lugnet.robotics.handyboard)
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| | Re: Battery types
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I personally use a single 12 V 3Ah Gell cell to power my entire robot. I'm using the 7805 with a heat sink and works just fine. -----Original Message----- From: brian-c@technologist.com <brian-c@technologist.com> To: handyboard@media.mit.edu (...) (28 years ago, 29-May-98, to lugnet.robotics.handyboard)
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| | HB with hacked servos as drivemotors
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Hi, I'd like to use two hacked servos _with_ servoelectronic for a Rug Warrior like robot controlled with a HB. Now I am searching for motor driver functions for IC 3.2 to control the servos via the standard motor functions (i.e. fd(), bk(), and so (...) (28 years ago, 29-May-98, to lugnet.robotics.handyboard)
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| | Battery types
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...was just wondering if the Handy-Board can run on other types of batteries besides Ni-Cds, such as: NiMH batteries which have higher mAh ratings vs. a Ni-Cd equivalent. Also, will Lithium batteries work with the HB? Are there any performance (...) (28 years ago, 29-May-98, to lugnet.robotics.handyboard)
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| | Datasheet for TI IC
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Hi ! I am searching for the data sheet of a TI speechprocessor TMS3477 (I have the board of a little speech recorder with 90 seconds capacity and max. 16 speech segments with this chip and I will try to connect this board to the Handy Board for a (...) (28 years ago, 28-May-98, to lugnet.robotics.handyboard)
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| | IC persistent globals?
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Hello all, I am using neural nets to control my robot, and currently have to download the weights to the handyboard every time I power on. This is a perfect application for using persistent global variables, but alas I am having troubles. My (...) (28 years ago, 27-May-98, to lugnet.robotics.handyboard)
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| | Re: Polaroid 6500
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jluijk wrote: <snip> (...) The two on the left are + battery voltage and the two on the right are ground. They're doubled up to handle more current, I guess. (...) Make sure that you're getting 9.6 V at the motor power header, and that you have your (...) (28 years ago, 27-May-98, to lugnet.robotics.handyboard)
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