 | | IC for Windows.
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Just outta curiousity, what was IC Win developed with? (30 years ago, 23-Mar-96, to lugnet.robotics.handyboard)
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| | IC for Windows
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(...) We use Microsoft Visual C++ (v. 4.0). -- Randy (30 years ago, 23-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Resets
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If I add a separate motor power to the L293's, can I keep the ground lines common? If not, what pins are motor ground? (I know pins 4,5,12, and 13 are ground) Thanks. -John (...) (30 years ago, 23-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Resets
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The MB design keeps ground in common, but the ground to the cpu, has an inductor in line with it, the HB also has a inductor on the ground side, I think. You might want to put an inductor on both sides of the motor, with a cap inbetween both of (...) (30 years ago, 24-Mar-96, to lugnet.robotics.handyboard)
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| | DC Motor Position control
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I am wondering if anyone tried to write an IC program for DC motor position control using PID/P or whatever with a handyboard. I am also looking for a good precision DC motor (with encoder and gearbox integrated), I very appreciate your help for any (...) (30 years ago, 24-Mar-96, to lugnet.robotics.handyboard)
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| | Re: OC2 and OC3 outputs?
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Take a look at the schematics, which are linked from the top page of the Handy Board web site. The info you are looking for is in the CPU / memory schematic. For the DC Motor outputs, the board uses a separate output latch---not the timer outputs. (...) (30 years ago, 24-Mar-96, to lugnet.robotics.handyboard)
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| | TOC 2 & 3
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AAAARRRGGGHHHHHH!! After the pain of relearning assembler and getting interrupt routines to work, it seems my assumption of the availability of TOC 2 & 3 is incorrect. I need 2 (wanted 4) pulse trains to go out. According to the diagrams Fred (...) (30 years ago, 24-Mar-96, to lugnet.robotics.handyboard)
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| | pulse trains
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Mike, Out of curiosity, what are you using the pulse trains for? (If you're running multiple servos, I think I know a single-chip hardware mod to drive up to 8 servos from a single timer output.) -- Randy (30 years ago, 24-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Driving large motors with the Handyboard
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(...) Thanks for the tip. I got a hold of the book and read some of it. :) I was wondering if sending pulses to the motor would cause "choppy" rotation....or does it occur so fast that inertia effects make it "smooth". Also, with an h-bridge, is it (...) (30 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | (no subject)
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UNSUBSCRIBE (30 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | unsubscribe
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unsubscribe (30 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | digital output
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Is it possible to use any digital output on the Handy Board without loosing the monitor (or anything else for that matter)? Scott sherman@plains.nodak.edu (30 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | Re: unsubscribe
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In order to be removed from the Handy Board mailing list, please send e-mail directly to me, Fred Martin. There is no need to announce your request to the entire list. Enclosed are instructions from the mailing list page on the web site. -Fred -- (...) (30 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | Re: pulse trains
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(...) I'm doing signal conditioning for pan/tilt and (ultimately) drive/steer signals from an RC receiver and driving servos with the processed signals. All power for the servos is external, so all I need is signals through the Handyboard. -mike * (...) (30 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Get Alias Info
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In your message you said: (...) Arghh! The "get alias info" command is on the web pages, i.e., (URL) everyone, remember there is nothing automated about the handy board mailing list. to get on it, I must manually put you there. to get you off it, i (...) (30 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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| | How to run 8 servos by adding one HC chip
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(...) Warning: I haven't tried the following idea. Single chip add-on to control 8 servos using one timer line and a few digital outputs: The 74HC238 is a 3 to 8 demultiplexor. (see (URL) for datasheets). Unlike the more common HC138, its outputs (...) (30 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | process control question
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Hi all, I used the routines in Mobile Robot as a guide in building routines for my robot. I have an IR detector setup like the one described using the Sharp detector to detect left and right obstacles. I have a round robot with three bumper switches (...) (30 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | Get Alias Info
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Get Alias Info (30 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | pneumatic arms
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Since electric motors running off small, mobile power supplies tend to be weak and slow, I was considering designing a pneumatic arm powered by an onboard container of compressed air. Can anyone tell me where I can obtain pneumatic solenoids (...) (30 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Sony IR decoding routine!
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I'm having trouble getting sony-ir.icb to load. Every time I try, I get the following error message: FATAL INTERNAL ERROR: ILLEGAL LINE IN .s19 FILE I've re-downloaded and installed both the sony-ir.icb and pcode_hb.s19 files but continure to get (...) (30 years ago, 26-Mar-96, to lugnet.robotics.handyboard)
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