 | | Cannot download pcode on a Mac G3
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Hello everyone, I've been having a problem downloading pcode to a handyboard or rugwarrior board from my Mac G3 (266 Mhz desktop model). When I try to download the bootstrap code, it reports that the bootstrap failed after 000 bytes, etc.. etc... (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | Controlling a DC motor 3
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Thank your for all your replies, I understand what 's going on now Another question about the motor driver is: Q) The PWM is a sequence of pulses switching on & off the H-Bridge. But what should be the rate of PWM? 1000Hz?? why? what does the rate (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | LCD Addressing - & - Expanded Mode
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Two questions: 1) I'm having a little trouble figuring out how the LCD is addressed. It uses A8 and A8 but also is clocked from Port A. Can someone explain how to properly address the LCD using ASM? 2) The Mode B pin is always grounded. How does the (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | recharging a battery the right way
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hello I have a 6v 2.0amp battery. Its a lead acid battery. What is the right way to recharge it? The reason I ask is because I had a 12v 7amp battery from the same manyfacturer. I charged it using a car battery charger at the lowest setting (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | Polarity of PowerJack from HB und Charger Board
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Hi I am wondering about the Polarity of the Power Jack at the Handyboard and the charger board. At the HB the Pin in the middle is ground. At the charger board the outside Ring is ground.Can anybody tell me why it is different ? Thanks (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | IC communication problem
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Hello, Lately I am having problems communicating with the handyboard after it is reset. I can download the pcode_hb.s19 file using hbdl.exe downloader. When the Handyboard is reset by toggling the power switch, the following is observed. 1st symptom (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | whoops, wrong test program
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Attached to this message is the test program and S19 file for the LCD code. --Chuck (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | My LCD driver
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Attached to this message is the LCD driver I wrote for the Handyboard written using ICC11. Feel free to use it. Some notes on it: The driver is designed to operate asynchronously. This is because the LCD can take several milliseconds to complete its (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | Controlling a DC motor 2
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Hi again, I think i should change my previous question to the following. Is there any alternatives to control a DC motor motion (speed, direction etc) without using a motor driver? how? please explain briefly. Thank you for your replies. (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | Handy Board problem
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I was wondering if anyone knows where I could purchase the Sharp Is1U60 IR detector. I have looked for it, however none of the distributors I have checked with even carry it. I tried Digikey, Mouser Electronics, JDR, Jameco, BG Micro, and others. (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
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| | MODB - How Is Expanded Mode Entered
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If MODB pin is always grounded, how does the MCU get into expanded mode to access the 32K SRAM? The data sheet shows MODB HIGH to enter expanded mode. It show MODB LOW to enter single chip mode. What am I missing? -- ---...--- ipscone@halcyon.com (...) (26 years ago, 2-May-98, to lugnet.robotics.handyboard)
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| | Connections
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Please forgive this probably silly question; as a software person I only dabble in hardware as a hobby: I want to make my own little expansion board and it requires signals from the expansion connectors of the HandyBoard. In particular I want to run (...) (26 years ago, 2-May-98, to lugnet.robotics.handyboard)
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| | 6.270 board
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What is 6.270? Where did this number come from? ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the Advancement of Science and Art (...) (26 years ago, 2-May-98, to lugnet.robotics.handyboard)
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| | Re: Testing with PCBUG11 - Getting Close
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My problem turned out to be with Win 95. If I boot to DOS the PCBUG11 program works fine. It fails to work when working from a DOS window. I can now communicate with the MCU so my RS232 must be fine. When working from the command line in PCBUG, I (...) (26 years ago, 2-May-98, to lugnet.robotics.handyboard)
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| | Testing with PCBUG11
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I have assembled the HandyBoard up to the point of adding the SRAM. I am still waiting for my SRAM to arrive. But, I want to check out as much as possible. Every step checked out fine to this point. I have two options at this point. I have an 6264 (...) (26 years ago, 2-May-98, to lugnet.robotics.handyboard)
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| | controlling a DC motor
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Hello, i am currently trying to control a DC motor's motion (direction, speed, etc). Besides using a motor driver chip such as L293D, what else can i do to control the motor's motion?? Say, is there a method which can control the motor by totally (...) (26 years ago, 2-May-98, to lugnet.robotics.handyboard)
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| | DS1233 Monitor Chip
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I cannot locate a DS1233 chip. I have tired DigiKey, Jameco, Mouser, Active. What is a good source for this part? I have an MC34064. Looks similiar except that it has no 350mSec delay and a different pinout. Has anyone tried this chip without any (...) (26 years ago, 2-May-98, to lugnet.robotics.handyboard)
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| | Schematic & PCB freeware
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Ivex has a very good schematic and PCB layout demo at www.ivex.com ,the only difference between the demo an the full version is the demo is limited to 100 pads. (26 years ago, 2-May-98, to lugnet.robotics.handyboard)
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| | Max232CPE Substitutions
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I used a Max202 in place of the Max232. I installed it with the 10uF caps. Since the 202 can be used with .1 and I already installed the 10uF ones. I decided to switch it for a 232. The 202 checked out (V wise) like the installation instructruction (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Re: Schematic drawing - freeware ???
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Try to look up MicroSim ...or something like that name. It has a crippled evaluation package that may suit your needs. I think the company is the developer of psplice. ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | RE: Schematic drawing - freeware ???
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I came across this web page today. It may have what you are looking for. (URL) Message----- From: Les Novotny [mailto:les@progress...tions.com] Sent: Friday, May 01, 1998 11:03 AM To: handyboard@media.mit.edu Subject: Schematic drawing - freeware (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Re: loading files
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It suggests you are not loading lib_hb.c on start up. If you type list files at the IC command line you should see this file listed, as well as any others. If it isn't there, check your lib_hb.lis file and be sure lib_hb.c is listed in it. (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Schematic drawing - freeware ???
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Hi, Has anyone come across a freeware schematic drawing package for Windows PC? Any help would be much appreciated. thanks in advance. Les (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Re: V2x and sonar
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If you only use one motor controller IC you can use the 16 pin socket of the second motor control to get 4 more outputs. Then you can connect the INIT and BINH to these and have Port D control your V2x compass. All you have to do is modify your (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | loading files
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Hi, I am having problems loading my files onto handyboard. Whenever I try to load a file, it says ; function analog undefined function motor undefined It used to work fine before and I don't know why I am having this problem all of sudden. Can (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | V2x and sonar
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Hi, Wouldn't it be possible to wire them both to the same input port and turn on the one that you want information from and turn the other off? For example, the polaroid sonar data states that you can control turning on and off the device, so you (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | SPI Interface
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Hi, is there anywhere a function for IC 3.2 to communicate via the SPI interface with another controller ? Thanks in advance. Erwin (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Alternate Part - DB101-ND
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I could not get the bridge rect from digikey for the DB101-ND. Does anyone know of an equivelant part(s) that I might get somewhere else? Otherwise I'll have to wire some diodes up for this. -- ---...--- ipscone@halcyon.com Shoot-To-Win! Protect the (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Re: Quick prototyping technologies
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(...) I recently contacted Vero aboout Speedwire. The product is indeed discontinued and they have no old stock in the UK. However, speedwire pins are, apparently made for them by someone else. Unfortunately they could not find out (at that time) (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Re: Schematic Question
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You're missing the fact that the telephone style RJ-11 cable is an inverting cable. see page 11 of 16 of the Handyboard FAQ at (URL) a discussion and diagram of this (and the consequences of using the wrong cable!). -patrick ---...--- (...) (26 years ago, 1-May-98, to lugnet.robotics.handyboard)
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| | Schematic Question
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I have been looking at the schematic for the handyboard and the RS232/Charger board. I noticed something that seems wrong. But how could it since this has been out for some time? Power goes out pin 4 of J10 on the Charger board and pin 4 on (...) (26 years ago, 30-Apr-98, to lugnet.robotics.handyboard)
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| | V2x AND Polaroid Sonar
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Hello again, Has anyone been able to wire the V2x compass and the Polaroid sonar device both to the HandyBoard and, if so, how was it done? Thanks, Scott sherman@plains.nodak.edu CSG ITS NDSU (26 years ago, 30-Apr-98, to lugnet.robotics.handyboard)
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| | Quick prototyping technologies
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I am looking for good methods for quick prototyping and would appreciate all suggestions. In Mobile Robots by Joseph L. Jones and Anita M Flynn, they suggest using Scotchflex by 3M and Speedwire by Bicc-Vero company as two good alternatives to using (...) (26 years ago, 30-Apr-98, to lugnet.robotics.handyboard)
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| | memory expansion
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Hello, Has anyone figured out a GOOD way to expand the memory on the Handy Board? I would like to try using a 32 pin simm (I have sizes ranging from 256k to 4M) to store mappings (distance and turns) created by the initial "adventure" it takes of (...) (26 years ago, 30-Apr-98, to lugnet.robotics.handyboard)
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| | memory expansion
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Hello, Has anyone figured out a GOOD way to expand the memory on the Handy Board? I would like to try using a 32 pin simm (I have sizes ranging from 256k to 4M) to store mappings (distance and turns) created by the initial "adventure" it takes of (...) (26 years ago, 30-Apr-98, to lugnet.robotics.handyboard)
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| | Smooth PWM with IC 3.2
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I know this is an old thread but I am just now getting to the point where I can finally start programming. I am using IC 3.2 and the expansion board. I downloaded the smooth PWM routines from Newton Labs but I get errors when I load them into the (...) (26 years ago, 29-Apr-98, to lugnet.robotics.handyboard)
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| | More Polaroid problems!
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Well, everything seemed ok, but now (we are in a crunch again, the final presentation is Friday!) there is another problem. We seem to be getting some erroneous distances and I think I know why. The echo signal is pretty noisy, so my question is, (...) (26 years ago, 29-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Handy board help
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(...) There is a little strip of four pins for external battery power and are available with the standard battery pack installed. Two of these are battery positive, two are at ground. Shorting them out is a good way to let the smoke genie loose. (26 years ago, 28-Apr-98, to lugnet.robotics.handyboard)
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| | IR Transmit
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I am trying to get two handyboards to exchange data via the IR. I have tried code from the Dave Negro and Pete McCann code, but I still cannot get reliable data transmission at any range. Summary of situation: REC80-IR.icb: Reliable reception of (...) (26 years ago, 28-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Help!! Polaroid problem!!!
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Note that sonar in air is susceptible to the same environmental issues as sonar anywhere. In particular it is susceptible to changes in temperature and changes in air pressure. Both of which create a boundary layer that reflects some of the energy. (...) (26 years ago, 28-Apr-98, to lugnet.robotics.handyboard)
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