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 | | Re: Basic Sensor Question
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| if a sensor connector row looks like this -- [ ][ ][ ][ ][ ][ ][ ] [ ][ ][ ][ ][ ][ ][ ] [ ][ ][ ][ ][ ][ ][ ] 6 5 4 3 2 1 0 then to connect to sensor 0, you plug the switch into the places marked "[X]": [ ][ ][ ][ ][ ][ ][X] [ ][ ][ ][ ][ ][ ][ ] [ (...) (26 years ago, 21-Oct-98, to lugnet.robotics.handyboard)
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fred
(score: 0.907)
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| | Re: encoder function
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| Hi all I have written some routines to measure frequencies from 30Hz to 30kHz. I'm posting this with an attachement because several people have ask me already for these routines. To Fred: You can add these routines to the ftp server or anywhere on (...) (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.907)
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| | Re: Mindstorms: Use of Far Mode on IR Transmitter
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| Far mode allows you to download or control RCX via suplemental software (NCQ). The IR range can be boosted a bit by reflecting off a white surface (ceilings or walls), I think Radio Shack has a remote control range booster. This should be able to (...) (26 years ago, 23-Mar-99, to lugnet.robotics)
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fred
(score: 0.907)
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| | Config reg.
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| Using DL pcode_hb.s19 I got the following msg about 12 times, only on the 811e2 chips, the A1'a I could set the config to anything and change it back. Please place board in download mode and press RETURN To quit, press Q For help, press H (...) (27 years ago, 4-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.907)
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| | Re: spare parts and sets that would be good
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| The Lego/Datca catalog has accessory parts packs for mini figs and some of the instructional sets. Some Technic parts in bulk ie: differentials, gears(50 - 100 per bag) and pneumatic parts. It's a freebie catalog, get it from their web site. -- (...) (26 years ago, 25-Mar-99, to lugnet.dear-lego)
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fred
(score: 0.907)
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| | HOW TO UNSUBSCRIBE
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| please *don't* send unsubscribe requests to the whole list. Fred Martin is the only person who can unsubscribe you. Send him email at fredm@media.mit.edu. Fred In your message you said: (...) (26 years ago, 23-Nov-98, to lugnet.robotics.handyboard)
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fred
(score: 0.906)
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| | Re: Pneumatic Hand-Pump
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| Give me a reasonable price and I may buy a few of them w/o Ebay. I only have the one that came with the search sub, so the more pneumatics the better. LegoCork -- Everything else is just a toy... (URL) (26 years ago, 30-Mar-99, to lugnet.robotics)
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fred
(score: 0.906)
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| | downloaded
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| Finaly I have got to download pcload in my HB!!!! You are rigth, I´ve load in a Macintosh CI. Now with IC system in the board, I can work in my Mac G3. ?:-( . Fred, thanks for all. I am trying to buy the key password for IC 3.1, but is impossible, (...) (27 years ago, 19-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 0.906)
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| | New Robotics on my wepsite...
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| Reciently I aquired an web cam and I couldn't resist making an attempt at making a webcam robot. This is the 2nd generation of the webcam robot. 1st generation never nade it into final assembly. Next is adding the RCX after I get extensions for the (...) (25 years ago, 6-Apr-99, to lugnet.robotics)
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fred
(score: 0.905)
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fred
(score: 0.905)
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fred
(score: 0.905)
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| | help with sonar
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| I emailed fred martin directly and he told me to respond to this address. Fred: does the sonar click indicating transmit? pls. follow up to the HB mail list. My response: yes, the sonar does click. I have also connectd it to a scope and both the (...) (26 years ago, 6-Apr-98, to lugnet.robotics.handyboard)
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fred
(score: 0.905)
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fred
(score: 0.905)
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| | Re: motor port problem
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| you may have blown one of your L293D chips. try swapping the two chips to see if the problem then migrates to motor 1. if it does, then you have blown an L293D. there is more info on debugging motor problems in the FAQ. See the answer to "One of the (...) (26 years ago, 17-Nov-98, to lugnet.robotics.handyboard)
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fred
(score: 0.905)
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| | Re: Serial Communication %!*#!!--Please Help
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| Hi Peter, There was recently a discussion on the list where it was revealed that the network style cable does NOT work to connect to HB's together. If you go back to the FAQ there will now be correct instructions for making a cable to link two HBs. (...) (26 years ago, 18-Nov-98, to lugnet.robotics.handyboard)
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fred
(score: 0.905)
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| | Re: 68HC811E2 CONFIG Problem
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| Hi Fred, thanks for the answer. Oh yes I try'd all, that is possible with the pcbug342 but without success. A very good tip comes now from Adrian Susianto about the "64 cycles" after reset (thanks Adrian). I remember, that I read about this in a (...) (27 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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fred
(score: 0.904)
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| | Re: motor port problem
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| (...) to make the connector more physically and electrically stable. (...) of course, only 2 connections are needed to make a ckt. (...) you should figure up to several amps of current flow. (...) it should work fine. good luck. fred (...) (26 years ago, 21-Nov-98, to lugnet.robotics.handyboard)
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fred
(score: 0.904)
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| | RE: MN FIRST Lego League page
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| (...) Thanks! Compliments from this group mean a lot! BTW, Kenny's team was 3 third grade girls. Very Impressive. Dead reckoning worked the fastest but was very dependent on battery power. Their approach was more robust than most. Also, ROBOLAB will (...) (25 years ago, 2-Aug-99, to lugnet.robotics)
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fred
(score: 0.904)
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| | Polaroid sonar connector
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| Does ANYONE out there know how I can get my hands on a couple of the sockets that will accomodate the 9-pin Burndy connector plugs that come with the Polaroid sonar modules? I've searched the web, but haven't been able to find what I'm looking for. (...) (27 years ago, 7-Mar-98, to lugnet.robotics.handyboard)
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fred
(score: 0.904)
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| | Re: How to use the addition analog port ?
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| these aren't actually additional ports. if you look at the PCB wiring you'll see that they're just connected to regular inputs 0-3. these extra connectors will be used by the expansion board. please look for an official notice regarding the exp (...) (26 years ago, 28-Nov-98, to lugnet.robotics.handyboard)
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fred
(score: 0.904)
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