 | | Re: Question re hc374 Digital Out Solution
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Then if Y0, Y2, and Y4 were all used for this purpose, I assume 24 digital outputs could be realized? Cool. Thanks for the response, I'll give it a try. Stephen (...) (27 years ago, 28-Jan-98, to lugnet.robotics.handyboard)
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| | Connecting radio module (BiM 418 F)
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Hello all, I would like to be able to 'drive' my robot using the Handy Board via a radio link. For this purpose I have bought two transceivers, the Radiometrix BiM 418 F. How can I connect it to my Handy Board? The wiring is as follows (leaving out (...) (27 years ago, 28-Jan-98, to lugnet.robotics.handyboard)
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| | Question re hc374 Digital Out Solution
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I have already used the four digital outs on the SPI header and I need more digital outputs from my HandyBoard. These questions may show that I'm a neophyte as a hardware hacker, but I could use some help. In the HandyBoard FAQ under the question: (...) (27 years ago, 27-Jan-98, to lugnet.robotics.handyboard)
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| | Suppliers for mc68hc811e2 and other parts
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Does anyone have a good source for getting the E2 chip and other parts that are used to build the handyboard and miniboard. In my search for a good price on the E2 I found that Newark has the chip for $27.00. Newark also has many of the other parts (...) (27 years ago, 27-Jan-98, to lugnet.robotics.handyboard)
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| | SPI routine for EEPROM, corrected web link
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Some of you have had problems loading the app note. We found out a little late that Netscape doesn't like directory names that have a space in it. This has now been corrected. Application note on hooking up a EEPROM to the Finger Board SPI port. (...) (27 years ago, 27-Jan-98, to lugnet.robotics.handyboard)
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| | replacement components
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hello all, I was wondering what kind of fuse i can use instead of the Polyswitch fuse and also will a darlington with close chartisics as the ztx614 work, as there are none in New Zealand. thankyou Brennan Mair gysmo@es.co.nz (27 years ago, 27-Jan-98, to lugnet.robotics.handyboard)
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| | Re: Simple Assembler Programs
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Try this url for a test program. (URL) have not tried the program myself, so I can't tell you anything about it. (...) ___...___ ___...___ Jonathan Swaby 305 Sparks Bldg Computer Support Specialist 814-865-0693 Penn State University (...) (27 years ago, 26-Jan-98, to lugnet.robotics.handyboard)
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| | Simple Assembler Programs
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Hello! Does anyone have some simple assembler programs that can be used to test the operation of the handyboard? For example, an assembler program that beeps the piezzo "speaker", or one that blinks some of the LEDs. Anything would be most helpful (...) (27 years ago, 26-Jan-98, to lugnet.robotics.handyboard)
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| | SPI routine for EEPROM
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Application note on hooking up a EEPROM to the Finger Board SPI port. EAS-AN001 This also applies to the Handy Board SPI port. Very useful for datalogging and data table lookups without having to use up core memory. Embedded Acquisition Systems 1565 (...) (27 years ago, 26-Jan-98, to lugnet.robotics.handyboard)
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| | My servo controller article
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I've updated it with the figure showing the state diagram. I apologize for the wide distribution but I've lost the email of the folks who wanted to see that figure. The updated article is at (URL) (27 years ago, 25-Jan-98, to lugnet.robotics.handyboard)
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| | Wirz LMD18200
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Can someone instruct me on how to connect the Wirz Electronics LMD18200 H-bridge board to the Handyboard's motor control IC socket, which pin of the socket hooks to which pin of the H-bridge board. Any help would be grate. Thanks (27 years ago, 24-Jan-98, to lugnet.robotics.handyboard)
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| | MC68HC811E2
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Hi, I got a bag of HC811E2's and would like to know if they can be used with the handyboard to replace the HC11A1. Thanks, Quinn Marshal (27 years ago, 24-Jan-98, to lugnet.robotics.handyboard)
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| | Pingpong shooting competition
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I once heard of a competition where the objective was to build a solar-powered device that would shoot ping pong balls as fast/far as possible. Does anyone know of links to information on this contest? Thanks, /Max (27 years ago, 22-Jan-98, to lugnet.robotics.handyboard)
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| | Printing Floating Point Values
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Hello, Can anyone suggest a graceful means of printing a floating point number to the LCD using a specified number of decimal places? Thanks, Tom (27 years ago, 22-Jan-98, to lugnet.robotics.handyboard)
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| | Problems Downloading To E2
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First of all, is it even possible to use an E2 68HC11 variant w/ the HB? And if so can I d/l to it without having the LCD attached? As it stands now, I receive an error that the board is in the wrong mode using HBDL.exe while trying to d/l the (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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Hi I don't have any objection to putting the modified files up for general download - I only added Julian's code to the 3.1 source... I also modified the "boot" message so that it is obvious that you are running the new PWM code. I've changed the IC (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Polaroid Sensor Problems
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i have teh sensor hooked up, and I didn't test it much yet, but so far, I am getting a clicking sound when I run it, but the values appear to be completely random (a lot even negative). Am I doing something wrong that's obvious. Thanks, Yoni (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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Scott, Thanks for incorporating Julian's changes into the 3.1 pcode. In fact, if we can have Julian's permission and yours as well, Scott, we'd be very interested to be able to redistribute the improved pcode with IC 3.1. Scott and Julian, would (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | HANDY-BOARD EXPANSION
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Where may I purchase the HP expansion board (built & tested)? If that is not available, where may I find the source code for the PIC on the expansion board? My old univ. robot team (most are still in school in one capacity or another) and I (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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That would be great! Looking forward to it. Jun Nolasco nolasco@inx.net (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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Hi I've ported the changes (Julian Skidmore's mod) to the IC 3.1 pcode source code: (available from ftp://newtonlabs.com...ode31.exe) But I don't have anywhere outside a corporate firewall to put the files (a new pcode_hb.s19 and a modified lib_hb.c (...) (27 years ago, 21-Jan-98, to lugnet.robotics.handyboard)
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| | Sorry!
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Hello everyone, From my mail yesterday: (...) This is a quick note of apology for referring to the Handyboard as "Randy Sargeant's Handyboard" (thus unintentionally downplaying Fred Martin's contribution.) It was particularly inappropriate in this (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Disregard Dead Board
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The problem was isolated to a bad LCD display. This was accomplished by using the pcode file contributed by Kent (which doesn't require the display to be present while the board is on.) Special thanks to Gleason Research for finding/isolating this (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Re: [Q] power supply for polaroid sonar
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(...) I haven't tried this on the HB; but I have with other processors. I had problems with the sonar ping resetting the processor at times, as well as digital noise on the power supply bus causing false echo returns at long distances (as the (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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I started on putting in the new PWM routines, but I don't expect to be able to finish until this weekend. - Mike (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Dead Board
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We seem to have a problem and we're not sure how it came about, and even less sure about how to fix it. We were using our board to drive our robot. At this point we had a simple program, both motors on full forever. We turned the board on, the (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | New S19 with includes PWM routines for IC3.1?
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Has anyone already created new a s19 file for IC3.1 than includes the new PWM routines? Jun Nolasco nolasco@inx.net (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Stepper motor
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Hi, I trying to make a home page about interfacing handy board with stepper motors, I hope it has enought quality to add a little contibution to the handyboard effort. For now I has just two part : One is just mails I found in the mail archive about (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Re: [Q] power supply for polaroid sonar
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I haven't seen the schematic you're refering to but I believe you can use the +5V bus already on a standard HB. Just connect your PWR/GND to one of those headers "below" one of the A/D inputs. I did this before and it worked. Apparrently, the 1A +5V (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | annual MIT "6.270" LEGO Robot Competition is Jan 28th!
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Hello everyone, This year's MIT LEGO Robot Design Competition will be on Wednesday, January 28, 1998, in MIT room 26-100. All are welcome to attend this free event, and kids are especially encouraged to come! Please see the URL (URL) for a map of (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | [Q] power supply for polaroid sonar
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In the Handyboard homepage under 6500 polaroid sonar libraries, there is a great illustration (BRAVO!) that depicts the connections from the HB to the module that operates the sonar itself. The power supply to the module (which should be around +5V) (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | HB web site design changes
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Hi all, Those of you running Internet Explorer on Windows 95 or NT have probably noticed that the table of links running down the left column is hard to read -- light blue (or purple) links on a medium blue background. Those links are supposed to be (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | Re: Dallas NVRAM.
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German -- The Dallas NV RAM should work fine. Just so you know -- for future reference -- Interactive C will not work resident in a ROM. Interactive C must operate out of RAM. Fred In your message you said: (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | Robot Controller
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Hello, I'm trying to outfit a Motorola 68HC12 evaluation board as a handyboard robot controller. Since Randy Sargeant's Handyboards' use the 68H11 (which is source-code compatible with the 'H12), I'd like to share information with people who've done (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | Dallas NVRAM.
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Well, finally i see the option of 711e9 is not god, i see the K9 version have 24 K optrom and the vector location is inside my optrom. That's god , because i need to start in special test mode. But , a little detail, in Argentina , where i'm live , (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | pcode_hb.s19 downloading probs
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hello, I tryed to download the pcode_hb.s19 file using DL, When it starts sending it stops and says "expected 244, received 150, after 144 chars recieved" I cant seem to get any of the downloaders to work. Im a bit stuck on where the problems lies (...) (27 years ago, 18-Jan-98, to lugnet.robotics.handyboard)
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| | RE: M68HC711E9
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O.K, , I still have a question. I'm working with a handy board and it use a special mode to talk to a LCD. If i understand , the handy board need to put the reset vector in the range BFC0 - BFFF. If get the aplication note for the 711E9 and ,as it (...) (27 years ago, 17-Jan-98, to lugnet.robotics.handyboard)
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| | Still problems to boot handyboard.
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I still have problems with two handyboards. I can download the code but never boot my code (that code run in other handy, however) Other variant is if i put a 69hc11a1fn the handy download the initiatl bootstrap code , and when try to syncronize (...) (27 years ago, 17-Jan-98, to lugnet.robotics.handyboard)
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| | Re: Shaft Encoders
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(...) Hi there, Would these chips be suitable for interfacing a mouse to the Handyboard? My robot incorporates a mouse as a castor wheel and I want to use its shaft encoders as position/velocity sensors (relative) for the robot, but I don't know (...) (27 years ago, 16-Jan-98, to lugnet.robotics.handyboard)
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| | Re: Shaft encoder
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(...) Hi there, Would these chips be suitable for interfacing a mouse to the Handyboard? My robot incorporates a mouse as a castor wheel and I want to use its shaft encoders as position/velocity sensors (relative) for the robot, but I don't know (...) (27 years ago, 16-Jan-98, to lugnet.robotics.handyboard)
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