Tutorial - Controlling The Real World With Computers

Time 2020-07-03 10:03:50

Web Name: Tutorial - Controlling The Real World With Computers

WebSite: http://www.learn-c.com

ID:17707

Keywords:

The,Controlling,Tutorial,

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computer, such as cars (someone pointed out a car to me a while back that has 61 computers in it),planes (especially military fly-by-wire aircraft),factories, spacecraft, toys and appliances.This site provides the opportunity to learn basic control and embeddedsystem concepts while taking advantage of the low cost and conveneinceof using a PC as a platform.schematics and construct hardware andhardware people who would like to know how to write programs to controltheir hardware.from it. Read whatothers say about this site to get an idea of what the experience islike. Besides, it costs nothing but a little time to go througheverything here (well, maybe more than just a little time unless you canread 240 pages really fast). It's not heavy reading, either. It'sdesigned to be accessable by anyone with a knowledge of basicmathematics. You're ready if you can add subtract, multiply and divide.The earlier sections include self-tests that permit checking progress orskipping sections already understood.Please note that the printed circuit board kit mentioned in this site is no longer offered. It has not been offered for some time now. It's ISA and that and the computers that have ISA are out of date. To bring this site up to date, I have written alternate text, which uses an Arduino UNO, a small, inexpensive embedded microcontroller board for experimenters that can and is actually being used in real systems. It's The Arduino Version of the material. See The Arduino Version HEREI have, however, recently found three bare boards which I am offering for $30.00 plus $4.00 shipping, with payment to be made through PayPal (after you sign up): Please note that these boards are not populated and do not include parts. See the parts list Here and parts suppliers Here This offer will end when I have sold all three boards.And my Listening Car provides four channels with a combined DC power control capability up to a little over 1 horspower! The Arduino version of this site will show you how to use it and other power devices. See The Listening Car HEREI have also written free software to help you learn the resistor color code and software to help kids learn multiplication that you can download HERE. There are two versions of the multiplication software you can download, plus a manager that can be used by parents and teachers to help kids with the drill programs. The resistor color code application takes you from the very simple to the point where you can determine the values of resistors by their colors.Much of the example code here is very useful in control and embedded systems, and it is still available in a zip on the order page.Linux I/O port programming mini-HOWTO. Direct port accessis not permitted by NT, 2000, XP, Windows 7 and above, and someother operating systems. It's still possible to get at the portshowever, by using special procedures that add a layer you can gothrough. Experienced programmers and brave beginners can look in Programmer's Heaven for information on gaining such access. experimenter's board Idesigned for the purpose.A small picture is shown at right. It plugsinto one of the ISA slots of any XT or better PC (see AskJeeves for a brief description of the ISA slot). Don't have anISA slot? Inexpensive computers that do are easy to get -- see below.one of the computer recycling sites. Else, try Ebay. Justbe sure the computer you find has an ISA slot available. It might benecessary to email the seller to make sure. Even computers with slotstaken up with things such as modems and sound cards can be used. Theyare not needed and can be removed to make room for the board used inthis tutorial.erased. No problem. I have seen DOS there for around $5 -- Ebay search forMS-DOS. Don't worry if you don't know how to useare two ways to join. Click here to subscribe byemail, or here to goto the group site to subscribe.to do. Just click here to send an e-mail about thiswebsite to people on your list who might find the tutorial useful(which, of course, is everyone on your list). The subjectand body of the email will already be entered, but you can modify themas you wish. Details about portions of the hardware notdiscussed in the experiments.Using a device on theboard for digital input to get the status of switches.Using the 8255 Programmable Peripheral Interface on the board to get an additional 8 inputs.setting up the PPI with values declared in an enumeration so they will be more readablebasic pointerscompiling, linking and testing functions in another modulerow driving and column testing in a matrixcombining three discrete inputs with the matrix to get 67 switch inputsmore on masking, shifting, etc.the most important step in programming is not programmingconnecting the headers to see if the thing worksPowering higher-current devices using the PPI on the board.Using the digital I/O on the boardwith the computer's timer to control devices Using the Digital to Analog Converters on the the board to produce sounds, etc.Experiment 10 - Using Analog Inputs ToControl Motors Modifying the timer system tocontrol PWM in proportion to inputsfrom the 8-channel Analog ToDigital Converter on the the boardExperiment 11 - Using Analog Inputs ForBi-directional Control Of Motors Modifyingthe timer system to control PWM in proportion to inputsfrom the8-channel Analog To Digital Converter on the theboard. A relay is used this time to control the direction ofthe motor.Have a question about something on the site? -- Email Q, A & I D.

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Control and embedded systems programming with the C programming language. How to read schematics and understand the effects of programming.

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