 | | Legos
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Does anyone have any experience with any of the Lego technic systems. I am looking for a car/truck that has motors (or can add motors to), has enough room for a handyboard, and has the rack and pinion steering. I would also need a servo for the (...) (26 years ago, 25-May-98, to lugnet.robotics.handyboard)
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| | HOW TO UNSUBSCRIBE
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Greetings, This is the periodic friendly reminder that in order to unsubscribe, you must send an email to fredm@media.mit.edu asking thusly. Again, the method for unsubscribing is: 1. write an email saying "please unsubscribe me"; 2. send it to (...) (26 years ago, 24-May-98, to lugnet.robotics.handyboard)
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| | Distance Measuring Sensor
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Hi ! How is it possible to interface one or more SHARP GP2D02 to the HANDYBOARD ?? Best Rerards Diego (26 years ago, 24-May-98, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (26 years ago, 24-May-98, to lugnet.robotics.handyboard)
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| | Pad sizes and hole sizes
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I'm working on a board and I would like to avoid much trial and error. I have read much on selection of pad sizes/via sizes and hole sizes but there seems to be some contridiction. Does anyone know what the pad sizes (for ICs), hole sizes (for ICs) (...) (26 years ago, 24-May-98, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (26 years ago, 24-May-98, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (26 years ago, 24-May-98, to lugnet.robotics.handyboard)
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| | Re: Board not responding
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(...) The most probable cause of this is a dead 6811. (it spoils rather easily... :(Because everytime i have a problem with the board, it turns out to be nothing more than a shot 6811. Even replacing the 7805 with a LM2931T kills it. (26 years ago, 23-May-98, to lugnet.robotics.handyboard)
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| | Board not responding
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Hi! The handy board was working good before and I haven't used the board for a while. Recently, I ran the downloader few times, but I couldn't download the bootstrap. I think the download mode is ready, but the error message like "Board not (...) (26 years ago, 23-May-98, to lugnet.robotics.handyboard)
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| | setting the best PWM frequency for DC motor
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hello everyone, I found some information on "How do I set best PWM parameters for DC motors?" from the "Robotics Information" homepage, (URL) inside it described that in order to make current to flow steadily in between pulses, you need to satisfy (...) (26 years ago, 23-May-98, to lugnet.robotics.handyboard)
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| | Where can I find spec. of the LM052L
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I have an equivalent LCD screen (sharp L16255), I think, but it is a bit different from the LM052L and I am not sure how to interface it to the handy board. I cannot find any spec. on neither of these LCD screen and just need a hint maybe. Thanks (...) (26 years ago, 22-May-98, to lugnet.robotics.handyboard)
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| | Re: important update to Handy Board standard libraries.
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(...) You must manual consolidate the new driver with the smooth-pwm libraries. To consolidate, 1. edit the smooth-pwm lib_hb.c, and remove the function "_raw_analog()", 2. install the new lib_hb.icb file in your IC lib directory (this contains the (...) (26 years ago, 20-May-98, to lugnet.robotics.handyboard)
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| | Re: important update to Handy Board standard libraries.
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Will this new lib_hb.c also replace the Smooth PWM lib_hb.c released by Newton Labs? It appears not. What is the easiest way to consolidate the Smooth PWM routines with your improved analog code? Cheers, Skye. +---...---+---...---+ | Skye Legon | (...) (26 years ago, 20-May-98, to lugnet.robotics.handyboard)
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| | Re: Addresses of SPI ports
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Hi Arthur, The SPI expansion header is shown below: ---...--- Pinouts: 1 Gnd | 2 | 1 | 2 Vcc 5V | 4 | 3 | 3 SS* | 6 | 5 | 4 MISO | 8 | 7 | 5 SCK ---...--- 6 MOSI 7 & 8 Not connected I assume you will be using the Handy Board as a MASTER device not a (...) (26 years ago, 20-May-98, to lugnet.robotics.handyboard)
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| | Re: Addresses of SPI ports
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Hi The SPI Header is connected to port D of the hc11 as follows: Port D Bit 2 - PD2 - MISO Port D Bit 3 - PD3 - MOSI Port D Bit 4 - PD4 - SCK Port D Bit 5 - PD5 - SS All of those pins can be used for general-purpose I/O signals. To program port D (...) (26 years ago, 20-May-98, to lugnet.robotics.handyboard)
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| | Motors, Part 2
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Ok, I now realize that I only need one or the other motor driver. Now here is the problem. Nothing happens. I type fd(0); in IC and the motors do noting. I have pin 3 of the Wirz board going to pin 1 of the HB motor driver socket. Pin 7 of the Wirz (...) (26 years ago, 20-May-98, to lugnet.robotics.handyboard)
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| | Re: important update to Handy Board standard libraries.
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(...) you should download and install the new lib files. fred (...) (26 years ago, 20-May-98, to lugnet.robotics.handyboard)
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| | Re: important update to Handy Board standard libraries.
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Fred, How does the fix affect IC3.2? Jun Nolasco nolasco@inx.net (...) (26 years ago, 20-May-98, to lugnet.robotics.handyboard)
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| | Re: Motors
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It's one or the other. (...) (26 years ago, 20-May-98, to lugnet.robotics.handyboard)
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| | Motors
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Anyone have the Wirez electronics motor driver board? Are you supposed to solder on both the L293Ds and the LMD18200s? Or is it just one or the other? Thanks, Mike ---...--- Mike Reiling macman@inreach.com University of the Pacific Student of (...) (26 years ago, 20-May-98, to lugnet.robotics.handyboard)
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| | important update to Handy Board standard libraries.
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Hi all, There has been a bug lurking in the Handy Board standard library files since the dawn of time (well, 1996, when the HB got started). The bug can happen when you are using multi-tasking, and more than one IC task is performing analog sensor (...) (26 years ago, 20-May-98, to lugnet.robotics.handyboard)
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| | Addresses of SPI ports
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Hello. I was wondering if anyone knows all 4 addresses for all 4 ports of SPI header. Thank you (26 years ago, 19-May-98, to lugnet.robotics.handyboard)
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| | Re: Handy Board problem
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(...) You probably mean the Sharp GP1U5x. That one is modifiable so that it can be read like an analog signal. If anyone can direct me to a company in the Netherlands which sells these parts, I would very much like to know. Thanks. (...) ***...*** * (...) (26 years ago, 19-May-98, to lugnet.robotics.handyboard)
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| | Re: LCD Commands
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Look at (URL) for all the information that you ever want to know about LCDs : how to interface, how to control, sample source code and all commands. (...) ***...*** * de groetjes van..... Paul Wiegmans * * spectral@simplex.nl * * fidonet 2:500/143.1 (...) (26 years ago, 19-May-98, to lugnet.robotics.handyboard)
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| | Problems with new Smooth-PWM-Pcode
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Hi all, i have problems during download the new smooth-pwm routine into my handyboard. All times my downloader stopped after few seconds with an error message "EOF after 1xxx Bytes ....." I had download the sourcecode and the zip file from internet. (...) (26 years ago, 19-May-98, to lugnet.robotics.handyboard)
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| | Re: RC Servo motor internal electronics
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Ideally, I could use an H-bridge on the same board as the "new" electronics and provide expanded feedback such as current sensing or encoder in addition to the normal servo interface. It would also be nice to allow PWM to control the power presented (...) (26 years ago, 19-May-98, to lugnet.robotics.handyboard)
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| | Handyboard questions
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Has anyone used the eltec 442-3 pyrometer with the Handyboard?? I am in the process of using legos to build a robot, and have a completed 442-3 pyrometer with the lens and all that I got in. I am looking for the best way to wire this sensor, and I (...) (26 years ago, 18-May-98, to lugnet.robotics.handyboard)
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| | Re: Harddisk-Crash - HELP
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(...) The Handy Board web site has a mail list archive page, from which you can download archives of past postings. The last item on the list is entitled "Jan 1997 -- present" (which means it's probably huge). Good luck. --Will , , __@_/ \_@__ |/ | (...) (26 years ago, 18-May-98, to lugnet.robotics.handyboard)
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| | Re: Pad/Hole Widths
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Thanks, I was going to use a pad/hole size of .050/.028. The default size of my library uses .050/.025. I checked some pin size data and it shows .015 (min) to .023 (max). Allowing .008 to .010 extra and .003 for plating, it seems that the best size (...) (26 years ago, 18-May-98, to lugnet.robotics.handyboard)
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| | Harddisk-Crash - HELP
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Hi all, during a harddiskcrash on my computer, i lost all my handyboard mailings. I the past i had contact with view german people but i haven´t any mail-adresses. Please contact me again !!!!! Bye Bernd Klein ;-) P.S. Is there a way to get all (...) (26 years ago, 18-May-98, to lugnet.robotics.handyboard)
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| | Re: Pad/Hole Widths
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Hi Mike check with your board manufacturer for production specification. The via hole size I resently used was 12mil with a via size of 16mil. For Pad/Hole Width use the specifications of the parts you want to put on your board. A hole should be (...) (26 years ago, 18-May-98, to lugnet.robotics.handyboard)
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| | RC Servo motor internal electronics
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Has anyone out there ever seen, heard about, or thought about the details of electronic circuit built into a hobby servo motor to do the positioning and maintaining the position based on the signal pulse sent? I am interested in any information or (...) (26 years ago, 18-May-98, to lugnet.robotics.handyboard)
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| | Pad/Hole Widths
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Does anyone know what typical Pad/Hole Widths are for thru-hole parts? What about via/hole widths? Is there a web site for PCB geometry sizes that someone could point me to? Thanks -- ---...--- ipscone@halcyon.com Shoot-To-Win! Protect the 2nd (...) (26 years ago, 17-May-98, to lugnet.robotics.handyboard)
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| | Charging HB-PLEASE HELP ASAP!!!
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Hello. I just got HB assembled and tested. I do not have external NiCDs connected, since I am going to be cutting the power lead and connecting an alternative power source. From what I understand there is an internal battery that still needs to be (...) (26 years ago, 15-May-98, to lugnet.robotics.handyboard)
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| | E Series MCUs
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I am using an 811E2 part in my handyboard with IC. It is supposed to have problems with this chip. I have not disabled the EEPROM but it still seems to work. I have been having a problem finding the A1FN part. I do not want to buy anymore of the (...) (26 years ago, 15-May-98, to lugnet.robotics.handyboard)
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| | Powering and charging handy board
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Hello. Several questions. What is the best way to charge the board? Through charger board or to teh board directly. Also, when i am chanrging it, am I charging the internal battery or the external NiCD batteries? Also, does the board have its own (...) (26 years ago, 14-May-98, to lugnet.robotics.handyboard)
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| | handyboard for sale
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I have a completed and operational handyboard which I am offering for sale. Contact me at jnbs@wizard.com Thanks Jim (26 years ago, 14-May-98, to lugnet.robotics.handyboard)
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| | Shorted Handyboard
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Finishing mounting our handyboard to the chasis of our robot, we shorted the board. A screwdriver made contact near the IR reciever on the bottom right corner of the board. Additionally, the 2.5A fuse blew. After this occured, we have not been able (...) (26 years ago, 13-May-98, to lugnet.robotics.handyboard)
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| | Does the HB NEED 9.6 volts?
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I am planning on using stepper motors with a handy board, which hopefully I will have in a week :) The specs on the HB say it uses 9.6 volts. Is this a required voltage? or can it be another rating as long as it is within the regulators limits. (...) (26 years ago, 13-May-98, to lugnet.robotics.handyboard)
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| | Re: HandyBoard 10-16 Servo support
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(...) I had exactly the same problem. There is a CMOS chip by Motorola called the MC14028B that is a BCD-to-decimal or Binary-to-octal decoder. All that really matters though is that it will take a 4-bit input and decode up to *10* outputs that are (...) (26 years ago, 13-May-98, to lugnet.robotics.handyboard)
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