 | | Serial Communication Clarifications for Newbies, Please...
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Howdy, I've been playing with my HB for about a month now, and after reading all the documentation again, I was able to solve the newbie questions that I have posted few weeks ago... But now, I'm stuck with serioal I/O :) Could someone help me (...) (26 years ago, 4-Jan-99, to lugnet.robotics.handyboard)
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| | again - pc/win95 and hb pcode source
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Hi! Some time ago i asked this question now i try again, maybe anybody can help me! I dowloaded the environment for the pc(dos) to assemble a s19-pcode file for the hb. Now i tried a little bit but it does now work, What you can download under pcode (...) (26 years ago, 4-Jan-99, to lugnet.robotics.handyboard)
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| | HBML:
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We are not able to get the Dallas Semiconductor 1233 power on reset chip in India here. Can I use a regular power on reset circuit or can i find any particlular replacement for the chip. Please reply soon thank you -Milind (26 years ago, 4-Jan-99, to lugnet.robotics.handyboard)
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| | Re: INTERACTIVE C
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not really. you can issue serial line characters to the desktop PC from the HB (see the FAQ), but IC cannot display them. so, for interactive development, it won't work. but if you can quit IC and run a terminal emulator program on your PC (e.g., (...) (26 years ago, 4-Jan-99, to lugnet.robotics.handyboard)
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| | Good link-source
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www. columbia-center.org/...ting/index html This company has a intetresting "radar" -ultrasonic in nature. The software, I thought, was especially interesting and adaptable to the handy board by some one a whole lot cleverer than myself. Also some (...) (26 years ago, 3-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Announcing the Handy Board Expansion Board
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(...) you can buy these at LEGO Pitsco-Dacta, (URL) are part number 979891, $27 ea. Fred (...) (26 years ago, 2-Jan-99, to lugnet.robotics.handyboard)
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| | DEBUGGING SOFTWARE
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Dear friends, With respect to page 31(page no as taken from printout) of the Handy board assembly manual (hba.pdf) downloaded from (URL) site, it has been said there that custom software shall be available soon for testing memory.I want to know (...) (26 years ago, 2-Jan-99, to lugnet.robotics.handyboard)
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| | Re: sensors input
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michael, The parallel combination of resistors is the recprical of the sum of their recpricol values. Req = 1 / ( 1/R1 + 1/R2 + 1/R3 + ...) Your 16 LED resistors combine to make Req = 1/( 16 x (1/82)) = 5.125 ohms. So your LEDs are drawing just (...) (26 years ago, 1-Jan-99, to lugnet.robotics.handyboard)
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| | RE: Announcing the Handy Board Expansion Board
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How can I get ahold of a Lego shaft encoder? (...) (26 years ago, 1-Jan-99, to lugnet.robotics.handyboard)
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| | Re: sensors input
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You don't really show your connection to your Handyboard, but I would suspect that with 16 connectted in parallel, you are probably drawing sufficient current to drop your voltage below the reset value of the micro monitor (DS1233? if I remember (...) (26 years ago, 1-Jan-99, to lugnet.robotics.handyboard)
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| | Announcing the Handy Board Expansion Board
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Greetings everyone, It's the last day of 1998, so it's a good time to announce the official release of the Handy Board expansion board. The Handy Board Expansion Board is officially released! The Expansion Board plugs on top of the Handy Board, and (...) (26 years ago, 31-Dec-98, to lugnet.robotics.handyboard)
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| | Re: Miniboard in space.
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Can you possibly share your complete design (maybe in a web page ?). That would be a graet service for us all. Thanks (...) (26 years ago, 31-Dec-98, to lugnet.robotics.handyboard)
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| | Re: HBLS Subject Headers (please Read)
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either that or switch to an email client with better filtering. I use Claris Emailer 2 adn simply filter all mail whose to or from includes "handyboard" cheers, tim ___...___ Dr. Timothy Bates Don't compromise. Use QuickTime. Dept Psychology (URL) (...) (26 years ago, 31-Dec-98, to lugnet.robotics.handyboard)
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| | sensors input
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hi everyone, i have tried to configure a set of sensors used for sensoring the wall in the maze. the circuitry of each of the sensors is: +5V +5V ----- ----- | | | | \ \ / / R1=82 ohm \ \ R2=120Kohms / / | | | | ------- |/ IR emitter \./ |\ IR (...) (26 years ago, 30-Dec-98, to lugnet.robotics.handyboard)
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| | HBLS Re: pcode 3.2 beta 1 with FP divide fix
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Hello All- Just as a data point for Randy...... I have installed 3.2 beta 1 pcode on my HandyBoard, and I get the right answer for floating point divides. : ) (...) (26 years ago, 30-Dec-98, to lugnet.robotics.handyboard)
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| | HBLS Subject Headers (please Read)
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It would be great if everyone put something in the header of every message for the list. This would make it possible to have mail coming from the list automatically filed. Could we put something like 'HBLS' in the subject of every message for the (...) (26 years ago, 30-Dec-98, to lugnet.robotics.handyboard)
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| | Re: DC Motor Manufacturers
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Regarding the DC motor manufacturers that I had sent you a mail about. Here are the details: I have talked to the manufacturer here in India for obtaining the details for you and the good news are that they already export these motors to the USA. (...) (26 years ago, 30-Dec-98, to lugnet.robotics.handyboard)
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| | Re: DC Motor Manufacturers
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we are developing a small rover here at V.E.S. Institute of technology, India and we are using DC motors made by a manufacturer here in Bombay,India. They make all kinds of DC motors and special internally geared motors having the ratings that we (...) (26 years ago, 29-Dec-98, to lugnet.robotics.handyboard)
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| | RE: digital inputs?
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hi everyone, i would like to know if there is any digital inputs other than the 16 inputs used for the sensors. which means i would like to have more inputs! is this possible? from michael (26 years ago, 29-Dec-98, to lugnet.robotics.handyboard)
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| | encoder to handyboard?
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dear readers and fred martin my DC motor comes with a 10 pin optical encoder(supply current-10mA) how do i connect my encoder part to the handy board? can i ignore the encoder? my robot only needs to sense retroreflective white tape, can i just use (...) (26 years ago, 29-Dec-98, to lugnet.robotics.handyboard)
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| | Photocells?
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I am seeking help in locating suppliers of quality photocells or light sensing equipment suitable for use in a handyboard environment. Thanks! (26 years ago, 29-Dec-98, to lugnet.robotics.handyboard)
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| | http://tcw2.ppsw.rug.nl/hb/hbassem/index.html/join mailing list
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I wish to join the handy board mailing list. (26 years ago, 29-Dec-98, to lugnet.robotics.handyboard)
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| | DC Motor Manufacturers
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Hello everyone, Has anyone found a good source for DC motors? I am looking for small motors to use as direct drive movement of a small 1.5 LB robot. Any help is greatly appreciated! Bill Denzel Senior Mechatronics Student California Polytechnic (...) (26 years ago, 27-Dec-98, to lugnet.robotics.handyboard)
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| | Re: Downloading problems
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I haad similar problems and then I realized that I did not need to download pcode or anything special. I just ran IC and it connected -- all the ports are working fine... Scott Sherman (...) (26 years ago, 27-Dec-98, to lugnet.robotics.handyboard)
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| | Re: Downloading problems
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(...) please download the latest 6811 Downloader for Macintosh, just posted last week on the HB web site. Fixes compatibility probs. (...) th the (...) OK, yes, you've already downloaed. (...) plus (...) please download these files from the HB web (...) (26 years ago, 27-Dec-98, to lugnet.robotics.handyboard)
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| | Downloading problems
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Fred This is a followup to your answer regarding downloading problems 1. The 6811 Downloader does not seem to work with HB. I get mesaages varying from recieved 0, wanted 255-or serial port not responding. I am DL from a MAC PPC 6500 OS 8. 2. This (...) (26 years ago, 26-Dec-98, to lugnet.robotics.handyboard)
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| | RE: servo motor
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Since the System 3000 servos appear to be made by Futaba, and they specify a standard Futaba "J" connector, my guess is that they would plug right in. Futaba practice is as you state: red=5V, black=common, white=signal. Brett Anthony -----Original (...) (26 years ago, 26-Dec-98, to lugnet.robotics.handyboard)
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| | Re: CHARGER BOARD PROBLEM(URGENT)
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phillip, please go through the sequence of tests in the assembly directions (as if you were building the serial/charger board from scratch), and indicate the point at which you first detect a problem. (URL) your message you said: (...) (26 years ago, 26-Dec-98, to lugnet.robotics.handyboard)
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| | Re: Downloading problems
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Use 6811 Downloader to download pcode_hb.s19. Power cycle, and the Handy Board should beep and display a version message on its LCD screen. Then, run IC modem or IC printer depending on which port you are using. It should be configured to boot with (...) (26 years ago, 26-Dec-98, to lugnet.robotics.handyboard)
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| | Downloading problems
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I assembled the HB board some 2.5 years ago. At that time it seemed to work very well. The hook is that I'm quite strong on the Hardware side and rather anemic with regard to software. In the earlier time I would download it from a Mac 11si-no (...) (26 years ago, 26-Dec-98, to lugnet.robotics.handyboard)
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| | Re: dc motor output control? Please help!
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the short answer is that you can't use 3v motors with the handy board. the FAQ states this: (URL) you use the "separate motor power supply" hack, with a 6v battery, you might be able to get 3v motors to work. see (URL) your message you said: (...) (26 years ago, 25-Dec-98, to lugnet.robotics.handyboard)
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| | CHARGER BOARD PROBLEM(URGENT)
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hI FRed, anothony and others, I just plug in the RJ11 in the HD and charger board. It supposed that the red LED on the charger board should light up. It failed to light up. When I plug in the adaptor onto the charger board, the red LED light up but (...) (26 years ago, 25-Dec-98, to lugnet.robotics.handyboard)
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| | Merry Christmas!
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Merry christmas! Megan See you real soon, you rock my world! Justin thanks for the many rides to camp Erv Shine on you crazy diamond! Joel be careful! See you soon. Jeremy Don't work too hard, *laugh* Jacob See ya soon, take care. All my A-Rocket (...) (26 years ago, 25-Dec-98, to lugnet.robotics.handyboard)
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| | dc motor output control? Please help!
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hi everyone, i need some help on controling the output voltage of the dc motor ports. the o/p of the motor port is 12V. but my motor required voltage is only 3V. i like to know if there is any way to clamp down the voltage to 5V or lesser. i try (...) (26 years ago, 25-Dec-98, to lugnet.robotics.handyboard)
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| | servo motor
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Hello again, I am using a Tower Hobbies System 3000 servo motor on my expansion board. Does anyone know if the black, red, and white wire match up with ground, 5 volts, and control respectively for that particular brand of servo motor? Scott Sherman (...) (26 years ago, 24-Dec-98, to lugnet.robotics.handyboard)
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| | Source of Handyboard in UK?
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I have a small quantity of handyboard pcb's available for 16GBP the set, handyboard plus charger including the hard to find ZTX darlington. Post paid in UK, Visa and Mastercard accepted. This is a limited offer, once they are gone I will not be (...) (26 years ago, 24-Dec-98, to lugnet.robotics.handyboard)
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| | Happy Holidays
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Happy Holidays For All !!! (26 years ago, 23-Dec-98, to lugnet.robotics.handyboard)
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| | RE: expansion board - servo control
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I've had a similar problem, make sure your servo power is fully charged. An undercharged system will sometimes drive all the way one way. Mike Ross ---...--- From: shsc9801@condor.stcl...state.edu] Sent: Wednesday, December 23, 1998 8:04 AM To: (...) (26 years ago, 23-Dec-98, to lugnet.robotics.handyboard)
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| | serial ports question
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hi, can i have 2 sets of serial communications at the same time with the handyboard? i have 1 set that is between the handyboard and the SSC via pa7. i want to have another channel, pc serial application to handyboard, in that one direction only, (...) (26 years ago, 23-Dec-98, to lugnet.robotics.handyboard)
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| | RE: encoder and motor questions
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I am doing something very similar, but instead I am trying to follow a black line on a white background. Either way, I am using IR detectors and emitters. They are readily available and work very well. I'm sorry I have never used an encoder to know (...) (26 years ago, 23-Dec-98, to lugnet.robotics.handyboard)
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