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Electronic Computer Projects for Commodore and Atari Personal Computers PDF

204 Pages·1986·38.55 MB·English
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“Electronic Projects — Personal 4 Computers _ Electronic Computer Projects for Commodore and Atari Personal Computers Soori Sivakumaran COMPUTE! Publications, nog ~ Greenssere, Nori Caretine Feroword Pratace 1 Getting insice Your Computer 2 Exploring the Central Po: 3 Making a soystex 4.Gome Pcadios 8 An Analog Light Sensor 6A Light Pen 7 & Data Light Sonsor 8 an Floclionic Switch 9 Burglar Aci 10 Diaital Logic 11 A Beret Logic Probe 12Were coos 13 Robotics Appendices | COMPLTE!'s Guide to “yping In Programs B Integrate Cireurs Indo Your personal compute is a posveréa! machine, It cua eaeu late faster than any clerk, prin: documents faxzer thon any typ= {sland piay <less with the masters. Your eoftware Wbsary js prozabiy full of such applications, along wih games, utes, land educational sofexare Tat 2 computa: ean do 2 “ot more than run softwase. It ean bbe a sophisticated ccrcroller whieh toons lights on and off, monitors sour home's wiewiows and doars, and =nckes robot linvks move, lo secomplish <hese tasks, hover, you need sensarg, motor crews, and cra eleerronie devices, Thacs ‘why you nead Li Computer Praects Tis book isa slep-by-ctep quide to building a variety of lecironie devices, im the simple sn the sopbistcared. With complete and cantcise insinuction® anyone ean follow and ac~ companied by Getailed phatoyrapins amd figures, Elesioaie muputer Projects ig the book swith which you can :each your Commodore or Aue gerscral computer Valuable new treks, Pact Fists ovine wihat you need the ingsnictinns shove yo how te do everything fron: healing the taldering iren to plug. ging in the las: component, and prngreens cast and adjuss each projet farm hone ti build your ovm joysticks, garew pad, ad ligh: puns. See how sb pa together two kinds of light seasors, ‘oven how to erate bumglar alarm vt an anfiaeedl sensor that “sees in the dar. Logie probes, which let you “oak ino digital civec}s, multiplesers and dem hiplevers, ever rabotie moter contra! c wus ave all par of this s00k'sinteigu ing and educational projects, Fach projec. has beer. built ara ‘usted —you wor find any surprives when you conuee: 4 du ice te your vompurcr. Flertranic Cangpacr Paoists 6.» thorough gid to yore ad= venice nga computer contnol et the outside would. CCompucess ace versatile machines svhach van be programed to perform nek Quickly and accurately. These tasks, ot spp gy sum the cane Hoan woanes aiid word processing, rnandial modeling or contvolling the lights and he: home. Mest compnter applications, at some point in the process Imolve a program which processes dats, av infomation. & vviden arcade jame is @ goo example, Here, the date ie en tered by the player Uoligh & joystics—she processing the pagiam performs is the movida ol ke character on the screen. ‘Another example, won processing, lex you enter text (the fata) anc poncess it (hy Formatting properly and intr fous). These kinds of applications sre cerlainly useft], but they aren’? the end uf your compster's capabilities ‘A vest majonity of computer appligations ove limited to act dng only on dat encered by the ager. either from the keybousd, cor the joystick, Yes sume uf the ost interesting applialions resul: when computers inlerae: with the outside worsd, A. com: rer which en examine is survonindliage ca then se This Infarmation to perform 2 useful funeion, Imagine your com~ puter. sensing chat a now davk outside, turning on your out de lights before you avive Rome from work, Computers have made possible systems whic can cont excemely comples operatias, The suftanre, or programs ‘which inswzuet a computer to do a speritic ses isin fact 3 Form of inceltigonon-if weitten eoervely, the programs <a ¢e- set 10 dil'erent conditions in predetermined ways, Tins book wi! show ‘ays you can ase your computer 10 He late ond react to the outside world This is dane :htough sex sors and actuators. Sensors gather inlaemalion Irom the ouside world forthe computer ra pracess. Acctators allot the com= puter to intlounce outside evens. Several et che projects put Sonsors aul actuators together so Ghat che eumpuiter can per~ oem a given tas, “Te help yoo ge: stared, the tit feve projects in this broke are welativaly easy to complete. As your experience inescases, one £0 does the dilficuliy of the projec I you've new to electron is, then, stat with the lrst projets ut tte book, daveleping ‘Pou skill a5 you oogxess -oward the later, more difficult, sprojosls Bun ecen thouga the proieuts ineregce in dificil you wo-'l need any oxctic equipment ot advanced skitls to tomelere them. Almost all the projects contain less than & half dozen com posents. You"l have litle dtficalty with any of the projecs, thu: you should have some undersaring, of electronics remble- shooting procedures Building ¢ Cieuit ‘he basic idea when buiiting a circuit i 29 vine together the components lead ccnvectly. Qergsionally, evan experienced bu'ldece male mistakes in wring circuits, T's an excellent idea to somplexiy ruad through each section desexibing the ciecui's constructivn before scarting. Color coded sizes cat help ie tracing cicuils, Examine the drawieg of she breadheard layout Included 9 the bons, and ciudy the schematic fiagram. When you feel yor understand whal the cizeuit requires. go ahwad and wixe your tust circuit, Several methods uf wiring, or breadbourting, rents axe available and suitable fur the projects in this book, One mechod involves mounllug the woarpurenls en a pealosated roard. The companenis are positioned on one side of he bboare so that their leads excend theoviza the perfonatians to the oppusite aide. rhe leads om the hotter ate chen eonmecse bby wizes soldoned between faum, ‘A sim ar method, called wire wreppn, requiees that ed somponent he mounied i a sucket before beiox placed an the perf boare. ach socket has anelal posle which make coma! ‘with tie Teauls of the compament, The posts extend Earough the holes, Wire connections are made Ey wrapping one epi of 23 fete around one post and fhe cohir and of Me came aie around a second 90s: ‘This is done with 2 sire wrap tool ‘Moet commercial electronic cecuite, however, are con stracred using printed creat soaeds, Hrlored Creust boanls ae capper plated an one or both sides, Whea making, 9 vite lrctace usicg printed cireui: boards, you mus first determine the toca tio of components on the hoard. Thea, the :alerconnections Tbecwwen the components’ leads sve marked cn the Beard with an indulible fe-ip market, The board iv subrnerted ina chemical selusion which digsolves all capper From the board except Cal aforg the trices yuu've marked, The capper haces which remain fonr the coneetions hetween the components Cammersial manufactucens packer this techniqie hecarne aaarels can he produced in large quantites qpicey and cheaply saith photographic techaigues, ‘Your best het is 10 4se colerless 2ucadboands, We Phase available irom Redio Shack, (Radio Shack’s txperimenter Socket, part noiaee 276-174, was use o construct all the ‘arajerta ir H's book) A saldeslass breadboard Is a plastic boat with a grid of thales” called pling poimes (ase Figuce 1}, The plug points zee intemally wired 50 hal the columiae of poirs on each halt of the board are ecr-nected. A zone ol pag points om each half of Uwe bua ace cornected as well ta honk up a ere, waxy -neI.s ate just plagued inty the soklurless breadboazd. A con nection hatween zo corpo leads cas ae made simply By inserting each ‘ead into plug polass hat ae intemaliy com: nected. Na soldering ie required, AKematively, jumper wires ‘an be used ta bridge one tel of connected pug points ith nother ta complete a sannectinn, jumper wires shoud be #22 2iuge, a Linger virus fund ao spread the vpntcts oF 4 plug Poirs too far apart. cvencusly rusting the Sreadboant. These saldertess Feards ragy he roused) fe Sifferent experiments vwickout removeng soider fram ennnecsians. Most tig ex plasations ir Uti buok refer so coordinates on the soklerless breadkeard Heot te ron Fren Hf you ise 3 selderluve breadboard sober: cons muting, the ciraciss'n this bogk, you'll sil have to do a Bele ealdering, Whale you won't have Io do iniicale celdaving, wires still smut bu akached za awiches, the connectors which plug ino your vompett:, and other components that canuio: be cite tly

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