 | | 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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