 | | Upgading HB to 64K
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Please follow the link bellow if you are interested in upgrading memory on your HandyBoard to 64KB. Note that this upgrade is currently being tested only on HB running the Java VM. (URL) Gasparik (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | interfacing the GP2D12
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Somebody asked the other day about a problem interfacing the Sharp GP2D12. I didn't see an answer, and I just did it myself and solved the problem, so here is how to do it. For those who don't know, Sharp just came out with an IR ranging sensor good (...) (25 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | HandyBoard and Mini SSC-II
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HiHi, I am a final year student in HongKong, I'm now trying to build a 6-legged robot, with 2 servos per leg. I would like to use the Handyboard interfacing with 2 Mini SSC-II servo controller, but since I am a new player in robotics, I do not know (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | PWM on tic3
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Hi, I want to get the width of a PWM on TIC3 Channel, I wrote an .asm but it doesn't work, I don't know what's wrong? I need your help. Thanks in advance. Said. Here is the .asm program: #include "c:\pcode\include\6811regs.asm" * program equates * (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Motor Controller Question
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bruce, for the HB you need to write data to $7000 to control the motors. see appendix B of the 6.270 manual at (URL) also the HB FAQ (URL) your message you said: (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | Motor Controller Question
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From what I could figure out from the literature on the HB, the motor controller circuit is controlled by Port B on the 6811. With a little tinkerin last nite I was trying to set/reset some of the pins poking values into $1004 (Got this from "An (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Error at address 0x0000
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Hi, That error message is actually to do with a fault in the Borland Delphi code for serial transfer, NOT a fault with the HandyBoard! (I use the same Delphi code in my HandyBoard terminal program as the program HBDL). It appears to manily occur on (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | RE: Stepper Motors
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(URL) the interactive c page .-----Original Message----- .From: T.C. [mailto:dab8rs_85@yahoo.com] .Sent: Monday, October 11, 1999 3:49 PM .To: handyboard@media.mit.edu .Subject: Stepper Motors . . .Can anyone give me a sample program on how to (...) (25 years ago, 12-Oct-99, to lugnet.robotics.handyboard)
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| | IR sensor for Program download to HandyBoard ??
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Hi , I am new to Handyboard and have these IR questions. Can the IR sensor be used to download programs to the HandyBoard? my idea is to dynamically load programs to the handyboard using IR communication . or Can RF communication be used? Is is (...) (25 years ago, 12-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Error at address 0x0000
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Hello, i have the same problem with the Error at address 0x0000. First i checked the hardware (Ram,Latch...) but i cant't find a bug. In the archive i found this message that descibe a softwarebug on faster machines. But i tested HBDL with a P133 (...) (25 years ago, 12-Oct-99, to lugnet.robotics.handyboard)
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| | Stepper Motors
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Can anyone give me a sample program on how to control a stepper motor and were is a good place to but some that work good with the handy board. TIM ===== (25 years ago, 11-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard/ USB interface
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i have tested several of these with Macintosh. I haven't tested any with PC, but i assume they should work. see (URL) for info on the Mac solutions. f. In your message you said: (...) d (...) (25 years ago, 11-Oct-99, to lugnet.robotics.handyboard)
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| | Handyboard/ USB interface
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I have heard of USB to RS232 adapters- I was wondering if anyone has had any luck in using these devices to connect to the Handyboard? I recently purchased a new computer, but it only has 4 USB ports, and no RS232 ports!. (25 years ago, 11-Oct-99, to lugnet.robotics.handyboard)
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| | RE: LM35 Again
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Hi, Like an update to my prior email, I have tested the LM35 with an external power source, with the same bad result. Any help will be welcome. Thank You José Luis ----- Original Message ----- From: Jose Luis <hal9000@cvtci.com.ar> To: (...) (25 years ago, 11-Oct-99, to lugnet.robotics.handyboard)
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| | someone looking for gearbox???
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someone was asking about a gearbox for a project ` while surfing tonight I came across this I hope it is what you need <A HREF="(URL)Gearbox with motor</A> (URL) (25 years ago, 10-Oct-99, to lugnet.robotics.handyboard)
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| | IR reflective sensors and Polaroid 6500 w/Expansion Board
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With the QRB1114 IR reflective sensors does the sensor need voltage supplied or is that just for the transmitter? Because all I am using them for right now is to detect infrared light. Also does the expansion board take up the connectors on the HB (...) (25 years ago, 10-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Motors
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Tim, Check out www.acroname.com. They have motors there that are a little slow, but are geared DC and run with the HandyBoard 9.6 volts. Use larger wheels to get more speed, or...... If you want the motors to be faster, you can pull one of the L293D (...) (25 years ago, 9-Oct-99, to lugnet.robotics.handyboard)
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| | RF transceiver
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Hi , I am a handyboard user and I am trying to build a tele-robot. I am using the transmitter and receiver from Glolab. I have fix up a pair of transceiver namely "A" and "B" (with TM1V and RM1V) as guided in "How Encoders and Decoders work" using (...) (25 years ago, 9-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Motors
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no doubt Micro Mo motors are sweet, but if the project is on a hobby budget, also consider: All Electronics -An electronics surplus company with a decent selection of motors and lots of other neat gadgets for robot building. This will be among the (...) (25 years ago, 9-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Motors
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Try Micro Mo, they have high quality motors and gearheads. They can be pricy if (...) (25 years ago, 9-Oct-99, to lugnet.robotics.handyboard)
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| | Motors
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Does anyone know where to get good motors that work good with the handyboard. I need geared DC motors because we dont want our project to be a racing car. If anyone has any answers or suggestions please email me back. Thanks. TIM ===== (25 years ago, 8-Oct-99, to lugnet.robotics.handyboard)
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| | GP2D12 and Handyboard
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Hi all! I recently got hold of a sharp GP2D12 ir range sensor (The analog version, not 8-bit serial) Upon connecting it to my handyboard (Vcc-5v, Gnd-Gnd, and Vo to analog port) I get between 249 and about 251 value from the analog port. Clearly no (...) (25 years ago, 8-Oct-99, to lugnet.robotics.handyboard)
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| | Re: pneumatic and hydraulic cylinders
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Am/Um 15:32 06.10.99 -0700 schrieben Sie: (...) Fischertechnik, too! Have alook at (URL) klick on 'Profi-kits (from 9 years)' Werner (25 years ago, 8-Oct-99, to lugnet.robotics.handyboard)
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| | More IR proximity detectors
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We're trying to use the little radio shack IR transmitter and reciever units to build our own. We're not sure exactly how this will work, but before we get too far, is this a reasonable thing to do? Will these be strong enough to use as proximity (...) (25 years ago, 7-Oct-99, to lugnet.robotics.handyboard)
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| | Re: IR proximity detectors
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(...) [snip] Andrew, Take a peek at (URL) and bonk on the IRPD project. Getting IR demodulators to work reliably is a bit more tricky that just looking for a bounce. I have done a LOT of work in that area and have found that you really need to take (...) (25 years ago, 7-Oct-99, to lugnet.robotics.handyboard)
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| | Re: IR proximity detectors
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you won't be able to easily) get distance measures with standard IR comms parts (such as the IS1u60). light travels too fast for the time delay betw xmit and rcv to tell you anything. as a proximity sensor, all you get is a yes/no reading. if you (...) (25 years ago, 7-Oct-99, to lugnet.robotics.handyboard)
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| | IR question
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hello all, quick question- inside the Handy Board Tech. Ref. we saw two IR sensors mentioned (Quality Tech. QRD 1114 & QRB 1114). we are wondering if anyone has used these sensors and knows how to obtain them? we have contacted our HB vendor, but (...) (25 years ago, 7-Oct-99, to lugnet.robotics.handyboard)
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| | Re: IR proximity detectors
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Andrew - - Take a look at Dennis' IRPD ... it uses a 12C508, 2 IR LEDs and a Sharp detector ... works great with the HandyBoard and off loads much of the processing to the PIC. If you want to do it with the HB, then do a search on IRPD and you'll (...) (25 years ago, 7-Oct-99, to lugnet.robotics.handyboard)
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| | RE: Retrieving data from the handyboard
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Interactive C can't handle 2D or 3D arrays.... instead another method needs to be used.. If your matrix was a 3X3 789 456 123 and rows went from bottom to top and columns from left to right then you'd have to come up with a formula using the row and (...) (25 years ago, 7-Oct-99, to lugnet.robotics.handyboard)
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| | IR proximity detectors
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I'm trying to set up either one or preferably two near infra red proximity detectors. I'm wondering whether the sharp IS1U60L component mounted on the handy-board is suitable for this type of application. We managed to make it work recieving codes (...) (25 years ago, 7-Oct-99, to lugnet.robotics.handyboard)
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| | Retrieving data from the handyboard
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I need to transfer the data in a matrix on the HB to my win98 PC? I know a special program is necessary to interpret the signals going to the COM port. Does anyone have such a program or have the have some code that I can compile with VS 6.0? Here (...) (25 years ago, 6-Oct-99, to lugnet.robotics.handyboard)
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| | Re: pneumatic and hydraulic cylinders
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Lego makes pneumatic systems. If your needs aren't too demanding, you may find this a cost effective approach. Ross M. Tonkens, M.D. Medical Director Primary Care of Nevada 100 North Green Valley Parkway Suite 240 Henderson, NV 89014 702 914-7120 (...) (25 years ago, 6-Oct-99, to lugnet.robotics.handyboard)
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| | RE: pneumatic and hydraulic cylinders
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Reasonable is a such a subjective term ;>) You might look at (URL) They have a very broad assortment of small pneumatic stuff. Internationally available Parker http:/www.parker.com has all the big stuff you'll ever need... not necessarily cheap, but (...) (25 years ago, 6-Oct-99, to lugnet.robotics.handyboard)
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| | Re: pneumatic and hydraulic cylinders
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Hi everyone! can anyone recommend a place where i can get pneumatic and hydraulic cylinders, and hopefully at reasonable prices? my team and i are planning to build a robot making use of those cylinders. has anyone done the same? any advice would be (...) (25 years ago, 6-Oct-99, to lugnet.robotics.handyboard)
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| | Re: HB for science project?
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Date: Mon, 04 Oct 1999 10:00:02 -0600 (...) i have used a few PICs, but they have to be programmed in assembly language. but just recently i have found a compiler called C2C which converts C code into assembly code. C2C provides assembly code for (...) (25 years ago, 6-Oct-99, to lugnet.robotics.handyboard)
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| | LM35 Again
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Hi, I have been trying again to connect the LM35 temp. sensor (10mV/C) to one of the general-purpose Analog inputs (No pull-up), and I have no success, the result was the following: the analog( ) was 121, the equivalent aprox. to 250 C, obviously (...) (25 years ago, 6-Oct-99, to lugnet.robotics.handyboard)
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| | Re: IC motion control
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It turned out my motors was drawing too much current and thus kept resetting my board. After using a separate motor supply, everything work fine. Thanks. (25 years ago, 5-Oct-99, to lugnet.robotics.handyboard)
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| | Re: HB for science project?
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I forget the web page, but I did find a JAVA compiler for the HB online! It looks great! I havent had a chance to experiment with it yet, but it uses much less memory then IC and appears to be very powerful, might want to look for that. (...) (25 years ago, 4-Oct-99, to lugnet.robotics.handyboard)
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| | Re: HB for science project?
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(...) I'm afraid that I'm not qualified to recommend any PICs, but I do know about programming. Basic can be used to implement fairly complex algorithms, but it's not easy to use it for the really tricky data structures, and it would be almost (...) (25 years ago, 4-Oct-99, to lugnet.robotics.handyboard)
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| | Re: equivalent darlington pair
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Give me your address and I will send you a ZTX614. Colin (...) (25 years ago, 4-Oct-99, to lugnet.robotics.handyboard)
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