 | | 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 (...) (28 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 (...) (28 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 (...) (28 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 (...) (28 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 (...) (28 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 (...) (28 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. (28 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 (...) (28 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 (...) (28 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 (...) (28 years ago, 1-May-98, to lugnet.robotics.handyboard)
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