 | | IR Proximity Detector
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In looking over the contributed items on the Handyboard site, I came across the 16 channel IR Proximity detector. Has anyone constructed this or something similar and done any work on attaching it to the Handyboard? If so, can you provide more (...) (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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| | RE: Help on obsolete part.
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Are you sure it is no longer available?? There are more than a few substitutions available to you. For nstance, Kemet manufactures appropriate tantalum capacitor substitutions. There are a few that would meet your needs. Lets look at an appropriate (...) (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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| | P6305 is obsolete?
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Digi-Key told me that the mini axial 'lytic part #P6305 was obsolete. What part can I use instead? Has anyone had this happen? also, my last message "help on obsolete part" had the wrong part i meant the P6305 from digi-key. -Jon (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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| | help on obsolete part
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I tried to order the tantalum part #P2011-ND from Digi-Key and they said it has been obsolete. Does anyone know what I can use instead? Has anyone had this problem?? -Jon (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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| | LISP
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Hi, I was wondering if there is a way to use Lisp with the handy board. If not, how would you call lisp programs from c and visa versa. I appreciate your help, Faris Gammoh gammof@rpi.edu (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Help me, simulator
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There is a cheap simulator for 68HC11 family. I didn´t test it. It cost $25. Its URL: (URL) Gentile Departamento de Electronica. Facultad de Ingenieria. UNR. Rosario Argentina ......... (...) aldo@lacapital.com.ar (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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| | RE: INTERACTIVE C AND THE .ICB COMPILER
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Russell You are making a mistake in you addressing-mode. You do a: STAB TFLG1,X, where TFLG1 = $1023 and you initialise X=#$1000 The assembler gets confused and generates bogus output, including a warning. You need to set TFLG1 EQU $23. You need to (...) (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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| | Are E9's compatible with HB?
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I have a line on a bunch of MC68HC11E9's and I was wondering if these were compatible with the HB. Any help would be great! STEVE ___...___ Steve Wall Sir Sandford Fleming college Swall@flemingc.on.ca (26 years ago, 15-Mar-99, to lugnet.robotics.handyboard)
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| | INTERACTIVE C AND THE .ICB COMPILER
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Hello, My problem lies with the downloading of a constructed .icb file created for the .icb compiler from Newton Labs. I have written a .asm file and compiled it using the web page (URL) The code compiles successfully and when I copy the associated (...) (26 years ago, 15-Mar-99, to lugnet.robotics.handyboard)
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| | Re: 0.1 MF capacitor"104" help
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(...) Normally capacitors with values less than 1uF will not have a polarity. They can go in either way. (...) Doesn't matter. I try to make all the labels face the same way when I build a board. It makes things look better, but it is only for (...) (26 years ago, 15-Mar-99, to lugnet.robotics.handyboard)
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| | 0.1 MF capacitor"104" help
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How do you tell what is the negative on the cap labelled "104" both sides look the same. please help does the label go in towards the max232 or out towards the edge? ___...___ Steve Wall Sir Sandford Fleming college Swall@flemingc.on.ca (26 years ago, 15-Mar-99, to lugnet.robotics.handyboard)
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| | wireless connection
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/plain; charset="euc-kr" Content-Transfer-Encoding: base64 Content-Length: 496 2. Content-Type: text/html; charset="euc-kr" Content-Transfer-Encoding: base64 Content-Length: 1428 (26 years ago, 15-Mar-99, to lugnet.robotics.handyboard)
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| | wireless connection
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/plain; charset="euc-kr" Content-Transfer-Encoding: base64 Content-Length: 492 2. Content-Type: text/html; charset="euc-kr" Content-Transfer-Encoding: base64 Content-Length: 1412 (26 years ago, 15-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Shaft-Encoders
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Hi, It's very interesting to use mouse QUADRIC encoders for HB as shaft encoders? If anybody make this in hardware? If so, may you give a links? ===...=== -----Original Message----- From: Max Davies <mdavies@CAM.ORG> (...) (26 years ago, 15-Mar-99, to lugnet.robotics.handyboard)
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| | Help me, simulator
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Hello Apreciate group of handy board Anyone can help me to recomend me some free very good simulator of the 68HC11 microcontroller, I apreciate very much your help, also the internet address where I can obtain it. with my best regards Carlos J. (...) (26 years ago, 15-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Good source for Lego Technic parts?
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Certain items, most notably motors, are *significantly* cheaper than Pitsco if you order them through the LEGO shop-at-home catalog (1-800-453-4652). If you are ordering for an educational instititution and if you ask the shop-at-home people, you (...) (26 years ago, 15-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Shaft-Encoders
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(...) An old broken mouse is an excellent source for stuff like that. Perhaps even buying a new really really cheap one makes sense, just so you can scavenge it's parts. Just open one up to see. (26 years ago, 14-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Good source for Lego Technic parts?
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Hi Steve. one more suggestion for lego parts... Pitsco only advertises a limited number of part kits on their web site. Did you check out their Dacta catalog? In the back there are several pages of specific part kits (i.e. gears, individual motors, (...) (26 years ago, 14-Mar-99, to lugnet.robotics.handyboard)
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| | Shaft-Encoders
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Hi, Does someone have a good and cheap source for optical shaft encoders (or only the encoder disks) ? thanks, Simon (26 years ago, 14-Mar-99, to lugnet.robotics.handyboard)
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| | (no subject)
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I actually use a NVRAM memory of Dallas company in place of 62256 and extern battery. I Want to replace in the same socket for a little pcb with 16 K rom and 16 K ram. I want to know how to do that? Its´s posible? I will need other IC to decode (...) (26 years ago, 14-Mar-99, to lugnet.robotics.handyboard)
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| | Source for Sharp GP1U581Y ??
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Can someone please point me toward a source for the Sharp GP1U581Y IR detector? TIA, - - - Nick - - - (26 years ago, 14-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Good source for Lego Technic parts?
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(...) <snip> (...) The best, cheapest place to get Lego Technic accessory parts is Lego Shop-At-Home, 1-800-453-4652. Ask 'em to send you a free catalog. In the back of each issue are a couple of pages showing all the miscellaneous motors, pulleys, (...) (26 years ago, 14-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Good source for Lego Technic parts?
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Steve: I bought a kit of parts from Lego to build the first robot mentioned in the mobile robot book by Jones and Flynn. I don't remember the kit number but I purchased the kit from the Lego Dacta division. You might try calling them to get a (...) (26 years ago, 14-Mar-99, to lugnet.robotics.handyboard)
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| | Good source for Lego Technic parts?
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Somewhat off topic: I'm looking for a good source of basic Lego Technic parts (beams, gears, axles, etc.) for robot construction. I'm not really interested in particular kits with specialized parts like the motorcycle, forklift, and such-- I just (...) (26 years ago, 14-Mar-99, to lugnet.robotics.handyboard)
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| | help me please,ic chip
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hello :) I use handy-board in my work. In one day ic chip to control motor has burn. The ic number is SN75441ONE in handy-board maunal the number U10 ,U11 L293D . I look number like this in ECG book it no have the number like this. If you know (...) (26 years ago, 13-Mar-99, to lugnet.robotics.handyboard)
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| | Re: How big is our community?
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it's about 500 people. fred In your message you said: (...) (26 years ago, 13-Mar-99, to lugnet.robotics.handyboard)
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| | (no subject)
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Hi, have any of you guys tried wall following with 4 ir proximity detectors? I'm having trouble getting mine to work properly. I think the problem is with my program. I'll attach it in my next letter, hope someone could help. Thanks. F. Samonte (26 years ago, 12-Mar-99, to lugnet.robotics.handyboard)
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| | Sensors
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hi i'm trying to find a cheap and reliable infra-red digital sensor with a sensing range of around 0-30cm. does anyone have any recommendations? are there any online stores that sell a wide variety of such sensors? btw, the sharp GP2D05/02 sensors (...) (26 years ago, 12-Mar-99, to lugnet.robotics.handyboard)
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| | Servo Expansion Board
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Hi all, I have the Handy Board running fairly well, although I havn't tested ports, etc. Question. I have the expansion board, and when I try to run the init_servo (not exact) command, the board locks up. Anyone see this problem before? Thank you, (...) (26 years ago, 12-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Sensors
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Hi We just built a IR detection with a Radio Shack IR LED and their Sharp detector GD1U..whatever....cost a few dollars. Basically detects anything within about 60 cm, depending on what surface you are reflecting off of. We found that we had to (...) (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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| | RE: DC motor with encoders
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Thanks for the tip. Lotsa cool goodies. shan o (...) (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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| | Re: DC motor with encoders
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Hi ever heard of Maxon Motors (the one that supplied the Pathfinder on Mars with motors). They have hi quality low voltage motors. We are using them here. They have opticel encoders (HP) directly mounted. Price arouonf $120 for a 15W motor incl. (...) (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Rs422/485 to RS 232 interface
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Thanks a lot, I had only one rs232 and I used to interface a display. I'll ceck the link to search it. Stefano ---...--- (...) interface (...) (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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| | How big is our community?
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Hi Fred, Maybe this is a little off topic, but it's still interesting, I guess: How many people are on your HB mailing list? How big is our community? Alf (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Creating multiple serial outputs with the HB expansion board
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I have considered something like that and it sure would work but I was hoping to find a s/w based solution that didn't require changing the h/w. I only need outputs, 2400bps, and I dont need any of the more functional aspects of typical serial parts (...) (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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| | Re: DC motor with encoders
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You can get all type of motors from Surplus Center their number is 800-488-3407. -----Original Message----- From: CHOI DAMEE <choi5@cooper.edu> To: handyboard@media.mit.edu <handyboard@media.mit.edu> Date: Wednesday, March 10, 1999 9:34 PM Subject: (...) (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Creating multiple serial outputs with the HB expansion board
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Have you considered (not sure about the full requirements) but designing a secondary expansion board with serial controllers instead of the expansion headers?? Just an idea, but the Motorola version of the serial processor (6850?) should be a good (...) (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Rs422/485 to RS 232 interface
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(...) We buy them from B&B. However, my link isn't up right now and I can't check the URL. Try www.bandb.com. I know that www.obdii.com links to their site. -d I use Unix because reboots are for hardware upgrades... You use Windows because some (...) (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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| | Creating multiple serial outputs with the HB expansion board
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I would like to create multiple serial outputs (like 3 or 4) using the digital outputs on the handyboard expansion board. The purpose is to drive an external servo controller and external motor controllers (motorminds) which can handle more load (...) (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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| | DC motor with encoders
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Does anyone know where we can find DC motors with optical encoders? possible low voltage ones (around 12 volts...) Thank you for any information :) (26 years ago, 11-Mar-99, to lugnet.robotics.handyboard)
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