 | | download problems
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i am still having trouble with getting the PC to communicate with the handyboard. all conections seem to be correct, and the programs are configured correctly, but the thing will still not communicate properly. mabye there is a fault in the board (...) (26 years ago, 3-Jun-98, to lugnet.robotics.handyboard)
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| | Analog to Digital C.
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/plain; charset=ISO-8859-1; name="A2D.TXT" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="A2D.TXT" Content-Length: 2578 (26 years ago, 3-Jun-98, to lugnet.robotics.handyboard)
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| | Re: initial connection errors
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The reason the board is not responding seems to be because the downloader is sending data to the wrong COM port. Find out whether you are using COM1 or COM2 and then check your downloader and IC as well to confirm you are on the right port. from the (...) (26 years ago, 2-Jun-98, to lugnet.robotics.handyboard)
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| | initial connection errors
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i have been trying to get the pcode_hb.s19 file downloaded to the handyboard, and the farthest that i got was the file downloaded (using 'dl' and 'dlm' downlloaders) but then the PC couldnt synchronize with the handyboard. i have a series 'a' board, (...) (26 years ago, 2-Jun-98, to lugnet.robotics.handyboard)
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| | (no subject)
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Is there a handyboard emulation program for the wintel platform? Thanks in advance Dick Hammond (26 years ago, 1-Jun-98, to lugnet.robotics.handyboard)
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| | Re: hbtest.c errors
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(...) ... (...) your Interactive C is not loading the correct libraries. Make sure IC is configured to load lib_hb.lis, NOT lib_r22.lis. Get the latest lib_hb.c, lib_hb.lis, and lib_hb.icb from the Software resources area of the HB web site. (...) (...) (26 years ago, 1-Jun-98, to lugnet.robotics.handyboard)
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| | 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 (...) (26 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 (26 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. (...) (26 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 (...) (26 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 (...) (26 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 (...) (26 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 (...) (26 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 (...) (26 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 (...) (26 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 (...) (26 years ago, 27-May-98, to lugnet.robotics.handyboard)
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| | Re: please unsubscribe me
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---...--- (...) (26 years ago, 26-May-98, to lugnet.robotics.handyboard)
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| | Re: unsubscribe
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---...--- (...) (26 years ago, 26-May-98, to lugnet.robotics.handyboard)
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| | Which R4 should I use???
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I notice that in hbmanual.pdf there is a different value for R4 than in hba.pdf since I used the list of hbmanual, I bought R4=2.94k precision resistor, but in the asembly file it says 3.83k precision resistor. Which one is the good one and why need (...) (26 years ago, 26-May-98, to lugnet.robotics.handyboard)
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| | Pyroelectric Sensor
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Hello. I have working with a handyboard, and I am trying to obtain information on how to properly use a eltec 442-3 pyroelectric sensor. I bought a complete one with a lens. My objective is for my lego robot to locate either a flame or heat source, (...) (26 years ago, 26-May-98, to lugnet.robotics.handyboard)
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