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A printed catalog costs $3, or you can download it free from the site (you need Adobe Acrobat Reader to view it). Among their product line useful in robotics is: • Motors (DC and stepper) • Stepper motor controllers • Power MOSFETs • H-bridge ICs (including the oft-cited L293D, L297, and L298) • Atmel AVR microcontrollers • Small CCD video cameras • Tools • Solenoids and relays Product datasheets (in PDF format) are available for download for many of the specialty semiconductor products.  x d V retail-general electronics 462 Stocking Up—Integrated Circuits Integrated circuits let you construct fairly complex circuits from just a couple of compo- nents. Although there are literally thousands of different ICs, some with exotic applica- tions, a small handful crops up again and again in hobby projects. You should keep the following common ICs in ready stock: • 555 timer. This is, by far, the most popular integrated circuit for hobby electronics. With just a couple of resistors and capacitors, the 555 can be made to act as a pulser, a timer, a time delay, a missing-pulse detector, and more. • LM741 op-amp. The 741 can be used for signal amplification, differentiation, integration, sample-and-hold, and a host of other useful applications. The 741 is available in a dual version, the 1458. Note that there are numerous other op-amps available, and some have design advantages over the 741. These include the LM324, LF356, and the TL082. • LM339 quad comparator. Comparators are used to compare two voltages. The output of the comparator changes depending on the voltage levels at its two inputs. The com- parator is similar to the op-amp, except that it does not use an external feedback resis- tor. You can use an op-amp as a comparator, but a better approach is to use some- thing like the 339 chip, which contains four comparators in one package. • LM386 audio amplifier. This common and versatile single-package audio amplifier can drive an ordinary 8-ohm speaker with up to a quarter of a watt. Only a couple of capac- itors are needed to complete the circuit. • ULN2003 transistor array. A transistor array is an integrated circuit containing multiple transistors. The device is commonly used to increase the current capacity of microcon- trollers and other devices that cannot provide enough juice to run large LED panels or relays. Other transistor array ICs are available, with some able to drive loads of up to 500 mA per channel. • TTL logic chips. TTL ICs are common in computer circuits and other digital applications. There are many types of TTL packages, but you won’t use more than 10 to 15 of them unless you’re heavily into electronics experimentation. Specifically, the most common and most useful TTL ICs are the 7400, 7402, 7404, 7407, 7408, 7414, 7420, 7430, 7432, 7473, 7474, 74123, 74154, 74174, 74175, 74193, 74240, 74244, 74273, and 74274. • CMOS logic chips. Because CMOS ICs require less power to operate than the TTL vari- ety, you’ll often find them specified for use with low-power robotic and remote-control applications. Like TTL, there is a relatively small number of common packages: 4001, 4011, 4013, 4016, 4017, 4024, 4027, 4040, 4049, 4066, 4069, 4071, 4081, 4093, 4511, 4543, and 4584. Altronics Distributors Pty. Ltd. 203667 174 Roe Street Perth Western Australia 6000 Australia  +61 8 9328 1599  +61 8 9328 3487  info@altronics.com.au  http://www.altronics.com.au Full-line electronics online retailer. Mail order and sev- eral stores across Oz.  x V  Amazon Electronics/Elecronics123 202506 14172 Eureka Rd. P.O. Box 21 Columbiana, OH 44408-0021 USA  (330) 549 3726  (603) 994 4964  (888) 549-3749  amazon@electronics123.com  http://www.electronics123.com/ See listing under Kits-Electronic. x V Ametron Electronic Supply, Inc. 203608 1546 N. Argyle Ave. Hollywood, CA 90028-6410 USA  (323) 464-1144  (323) 871-0127  fredr@ametron.com  http://www.ametron.com/ Passive general electronics (switches, wire, connectors). No online sales. Local store in Hollywood, Calif.  Arcade Electronics, Inc. 204144 5655-F General Washington Dr. Alexandria, VA 22312 USA  (703) 256-4610  sales@arcade.va.net  http://www.arcade-electronics.com/ Arcade sells batteries and chargers, cables and connec- tors, electronics kits, active components (resistors, capacitors, transistors, ICs, etc.), passive components, tools, test equipment, and other general electronics products. x V  B. G. Micro  202210 555 N. 5th St. Ste. #125 Garland, TX 75040 USA  (972) 205-9447  (972) 205-9417  (800) 276-2206  bgmicro@bgmicro.com  http://www.bgmicro.com/ B. G. Micro is a haven for the electronics tinkerer and robotics enthusiast. Much of the stock is surplus, so it comes and goes, but while it’s being offered, it has a good price attached to it. Get it while you can, because someone else surely will. The company also offers a fairly complete line of pas- sive and active general electronics components, includ- ing IC sockets, resistors, capacitors, linear and digital ICs, switches, relays, solenoids, pin headers, transistors, diodes, voltage regulators, LEDs, infrared phototransis- tors, batteries and battery holders, cables, wire, hand tools, connectors, optics, standoffs, and other plastic and metal hardware. retail-general electronics 463 Web catalog page for B.G. Micro. Specific products of interest to the robot builder include LCD displays (including serial LCD), motors, and the OOPic microcontroller. A word of caution! Don’t skim the B. G. Micro catalog too quickly. Its design is fairly “compact” and it’s easy to miss things. They sell a lot of parts that are best described as miscellaneous, and there can be some real gems hidden between product listings. Some super finds are just a single line of text in the 30-odd-page cat- alog!  x d V Baynesville Electronics 203411 1631 E. Joppa Rd. Baltimore, MD 21286 USA  (410) 823-0082  bayelec@ix.netcom.com  http://www.baynesvilleelectronics.com/ Baynesville is an old-fashioned retail electronics store located in Baltimore, Md. Look to the Web site for spe- cial promotions and even how-to information.  Black Feather Electronics 202944 4400 S. Robinson Ave. Oklahoma City, OK 73109 USA  (405) 616-0374  (405) 616-9603  blkfea@juno.com  http://www.blkfeather.com/ Something of a cornucopia of unique electronics items: connectors and cords; audio; gadgets; laser pointers; minicams; soldering; parts and switches; power; test equipment; kits; tools; video; high-brightness LEDs; electroluminescent wire. x V Brigar Electronics  202455 7-9 Alice St. Binghampton, NY 13904 USA  (607) 723-3111  (607) 723-5202  BRIGAR2@aol.com  http://brigarelectronics.com/ Electronic components and parts; new and surplus. Excellent selection of electronics and mechanical com- ponents for robobuilders everywhere: • Ballscrews (prices are pretty good for what you get!) • Bearings, linear slides • Cameras (CCD) • Capacitors, resistors, potentiometers, semiconduc- tor • Cords and cables • Hardware, solder, terminals, wire, tubing • Lamps, LEDs, LCDs • Materials handling • Meters • Motors (DC, stepper, gear, motor control circuits) • Pneumatic (cylinders, 24-volt solenoid valves) • Power supply • Relay, switches • Sensors • Tools Very good prices for most items. x V Bull Electrical 203287 Unit D Henfield Business Park Shoreham Road (A2037) Henfield Sussex BN5 9SL UK  +44 (0) 1273 491490  +44 (0) 1273 491813  sales@bull-electrical.com  http://www.bullnet.co.uk/shops/test/ Full line of electronics parts, motors, optics, digital CCD cameras, lasers, active and passive components, relays, tools, and much more. New and surplus. See also: http://www.veronica-kits.co.uk/ (RF kits) http://www.lockpicks.co.uk/ (video cameras, trans- mitters) http://www.home-cctv.co.uk/ (cameras) x V retail-general electronics 464 Central Utah Electronics Supply 203604 735 South State St. Provo, UT 84606 USA  (801) 373-7522  (801) 373-7736  (800) 805-7522  http://www.utahelectronics.com/ General electronics, plus robot kits; local store in Provo, Utah. x  CID Inc. 202573 4758 Hammermill Rd. Ste. 307 Tucker, GA 30084 USA  (770) 908-9883  (800) 205-9471  http://www.cidonline.com/ Electronics tools, materials, components, and books. V Circuit Specialists, Inc.  202364 220 S Country Club Dr. #2 Mesa, AZ 85210 USA  (480) 464-2485  (480) 464-5824  (800) 528-1417  jr@cir.com  http://www.web-tronics.com/ Sellers of ICs, active and passive components, test equipment, tools, microcontrollers and programmers, switches, relays, kits, lab trainers, chemicals, and more. Additionally, they sell several robotics specialty prod- ucts, including motion control cards, Arrick Robotics robotic workcells, and positioning tables. x V Computronics Corporation Ltd. 203662 Locked Bag 20 Bentley Western Australia 6983 Australia  +61 8 9470 1177  +61 8 9470 2844  kdare@computronics.com.au  http://www.computronics.com.au Industrial electronics: electronic displays, tools, and components. Includes soldering stations, high-bright- ness LEDs, chemicals, RF transmitter and receiver mod- ules. x V Dan’s Small Parts and Kits 202898 Box 3634 Missoula, MT 59806-3634 USA  (406) 258-2782  http://www.fix.net/dans.html Grab bag of electronics components. The emphasis is on amateur radio, but the company also sells general electronics components (such as trimmer pots, diodes, MOSFETs, and the usual others). A good source for specialty parts on the cheap. x V Debco Electronics, Inc. 202054 4025 Edwards Rd. Cincinnati, OH 45209 USA  (513) 531-4499  (513) 531-4455  800) 423-4499  debc@debco.com  http://www.debco.com/ Components (active, passive, cables, connectors, fasten- ers, etc.), kits, and hand tools. d V Dick Smith Electronics 202011 P.O. Box 500 Regents Park DC NSW, 2143 Australia  +61 2 9642 9100  +61 2 9642 9111  postmaster@dse.com.au  http://www.dse.com.au/ retail-general electronics 465 Australia’s biggest electronics retailer, well known for Mr. Smith’s head pasted over everything-though he is no longer connected with the company. For a time, DSE also had stores in the U.S., but they exited the mar- ket during the downturn of the late 1980s and early 1990s. Stores across Oz and New Zealand, and they ship worldwide. x d V  Digi-Key  202358 701 Brooks Ave. South Thief River Falls, MN 56701 USA  (218) 681-6674  (218) 681-3380  (800) 344-4539  http://www.digikey.com/ Digi-Key is one of the largest mail-order retailers/dis- tributors of electronic components in North America. Their printed catalog has everything-and is so jammed, they had to make the type very small, you’ll probably need a magnifying glass to read it! Fortunately, they also offer a very fast and efficient online ordering system, complete with links to datasheets (when available). Digi-Key regularly lists prices for product in single quantity and volume, for OEMs. If you use their online ordering system, they’ll even tell you how many of an item they have on hand, in case you’re thinking of breaking the bank.  x d V Display Electronics 203809 29 / 35 Osborne Road Thornton Heath Surrey CR7 8PD UK  +44 (0) 2086 533333  +44 (0) 2086 538888  http://www.distel.co.uk/ Surplus, general electronics, test equipment (new and used), components, electromechanical (relays, motors, solenoids). x V Edlie Electronics 202945 2700 Hempstead Tpke. Levittown, NY 11756 USA  (516) 735-3330  (516) 731-5125 retail-general electronics 466 All in the TTL Chip Family There are several families of TTL chips. The family is denoted by letter identifiers, such as 74HC193. They differ in the amount of current they consume, their speed, and their man- ufacture. The most commonly used letter identifiers are as follows: A—Advanced C—CMOS F—Fast H—High speed L—Low power S—Schottky T—TTL compatible It is common to combine letter identifiers, such as LS (low-power Schottkey), HC (high- speed CMOS), and HCT (high-speed CMOS TTL-compatible). Which one(s) to use depends on the application. If a circuit specifies a certain TTL fam- ily, be sure to use it, as the designer of the circuit may have included it for a reason. If there is no specific family mentioned, an S, LS, or HCT version will usually (note the emphasis on usually) work.  ELieblinng@aol.com  http://www.edlieelectronics.com/ Edlie provides an extensive supply of electronic educa- tional kits, component kits, tools, and test equipment.  x V Electro Sonic Inc. 203850 Suite 110 4020 Viking Way Richmond, BC V6V 2N2 Canada  (604) 273-2911  (604) 273-7360  http://www.e-sonic.com/ Canadian-based general electronics online/mail-order retailer. Retail stores across Canada. x V  Electronic Goldmine  202652 P.O. Box 5408 Scottsdale, AZ 85261 USA  (480) 451-7454  (480) 661-8259  (800) 445-0697  goldmine-elec@goldmine-elec.com  http://www.goldmine-elec.com/ Electronic Goldmine sells new and used electronic components, robot items, electronics project kits, and more. • General electronic components: capacitors, crystals, displays, fuses, heat sinks, ICs, infrared items, LEDs, potentiometers, resistors, semiconductors (misc.), thermal devices/thermistors, transistors, transform- ers, voltage regulators. • Passive and electromechanical components: batter- ies, cables and wire, circuit boards, fans, hardware, keychain lights, knobs, sockets, power supplies, relays, solenoids, switches, test equipment, tools, voltage converters. • Sensor components: bar code scanners, micro- phones, piezos, sensors, video cameras. • Kits and specialty: alarms and sirens, electronics project kits, motors, optics, robot items, strobe, ultrasonic items. Catalog in PDF format available; printed catalog sent to U.S. addresses only. Be sure to check out the interesting and unusual (and low-cost) robotics kits.  x d V Electronic Parts Outlet 203605 3753-B Fondren Houston, TX 77063 USA  (713) 784-0140  (713) 268-1044  (800) 403-3741  webmaster@epo-houston.com  http://www.epo-houston.com/ General electronics components, supplies, and tools. Used and surplus, stores in the Houston, Tex., area. V  Electronics Plus 203595 10302 Southard Dr. Beltsville, MD 20705 USA  (301) 937-9009  (301) 937-5092  (888) 591-9009  mail@electronics-plus.com  http://www.electronics-plus.com/ Online surplus retailer. Electronics kits. Local store near Washington, D.C. Product lines include batteries and battery accessories; cable and wire; capacitors and resistors; chemicals; cir- cuit boards and accessories; coils, chokes, inductors, and more; connectors; crystals and oscillators; hard- ware and mechanical parts; heat-shrink tubing; inte- grated circuits; kits (“huge selection”); lamps, lights, and indicators; LEDs and accessories; motors and acces- sories; potentiometers, trimmers, etc.; relays, solenoids, switches; test equipment; tools. x V  Electronix Express 202854 365 Blair Rd. Avenel, NJ 07001 USA  (732) 381-8020  (732) 381-1006 retail-general electronics 467  (800) 972-2225  electron@elexp.com  http://www.elexp.com/ Electronics parts, supplies, components, hardware, switches, relays, test gear, tools. New and used; large inventory. x d V ESR Electronic Components 203853 Station Road Cullercoats Tyne & Wear NE30 4PQ UK  +44 (0) 1912 514363  +44 (0) 1912 522296  sales@esr.co.uk  http://www.esr.co.uk/ Silicon components (transistors, diodes, thyristors, etc.) for industry, hobby. Also general electronics: connec- tors, kits, test equipment, tools. x V Farnell 202399 Castleton Road Maybrook Industrial Estate Leeds West Yorkshire LS12 2EN UK  +44 (0) 8701 200296  +44 (0) 8701 200297  enquiries@farnell.com  http://www.farnell.com/ U.K based electronics mail order. Will ship most any- where. Offers a complete line of electronics and mechanical. According to the company, “Farnell is a leading high- service, low-volume distributor of electronic, electrical and industrial products. Headquartered in Leeds, England, it services more than 100,000 active customers through 15 business units across Europe, Australia, Asia Pacific and South America.” x V Frigid North Company 203613 3309 Spenard Rd. Anchorage, AK 99503 USA  (907) 561-4633  (907) 563-0836  (800) 478-4633  frigid@gci.net  http://www.frigidn.com/ Active and passive components, connectors, switches, relays, and other general electronics wares. Local store in Anchorage, Alaska, with some sales online. V  Fry’s Electronics 202882 600 E. Brokaw Rd. San Jose, CA 95112 USA  (408) 487-4500  (408) 487-4700  http://www.frys.com/ Fry’s is an electronics superstore chain operating pri- marily on the West Coast. Fry’s has an odd mix, with prices ranging from deep discount to manufacturer’s suggested list price. Among the things you’ll find at Fry’s are: • Robots (like the Parallax BOE-Bot) • Basic Stamp starter kits • Tamiya Educational motor sets • OWI/MOVITS robots • Integrated circuits, transistors, diodes, resistors, capacitors, connectors • Soldering irons, PCB supplies, breadboard supplies • Books (more than you knew were ever published) • Computer software • Soda pop and candy • Video games and video game consoles • X-rated movies • Washing machines I left out about 1,000 other product lines, but you get the idea. Weekdays are the best time to shop; the aisles get really cluttered on the weekends. Watch for previ- ously opened (and/or returned) merchandise, the lat- ter of which is usually marked. If the box can be opened-that is, it’s not shrink wrapped-check its con- tents before buying. retail-general electronics 468 If there isn’t a Fry’s near you, they offer online shop- ping (limited merchandise selection) at: http://www.outpost.com/ FYI Department: • The store is named after its founders, the Fry broth- ers (John, Randy, and Dave). • The person who guides you to the next available numbered register when you’re waiting in line at the checkout is called a Vanna White (of Jeopardy fame). x V  Future Electronics 202567 237 Hymus Blvd. Pointe-Claire, Quebec H9R 5C7 Canada  (514) 694-7710  (514) 695-3707  http://www.futureelectronics.com/ See listing under Distributor/Wholesaler-Industrial Electronics. x d V  Greenweld Ltd. 203590 Unit 24 West Horndon Industrial Park West Horndon Brentwood Essex CM13 3XD UK  +44 (0) 1277 811042  +44 (0) 1277 812419  service@greenweld.co.uk.  http://www.greenweld.co.uk/ New and surplus electronics; some electronics kits, including OWI robots. They also sell small mechanical parts, such as threaded rod, gear shafts, spacers, books, power supplies, and pneumatic cylinders. A little of everything.  x V Hosfelt Electronics  202883 2700 Sunset Blvd. Steubenville, OH 43952 USA  (614) 264-6464  (614) 264-5414  (800) 524-6464  order@hosfelt.com  http://www.hosfelt.com/ General electronics. New and surplus. Great prices. • LEDs, especially superbrights, combo-color, and blue • Lasers, pointers, and key-ring holders • Miniature video cameras • Tools (hand, solder) • Chemicals • Components, passive and active • Velleman electronics kits  d V  HSC Electronic Supply/Halted 202163 3500 Ryder St. Santa Clara, CA 95051 USA  (408) 732-1573  (408) 732-6428  sales@halted.com  http://www.halted.com/ Mail order, with walk-in retail stores: Santa Clara, Sacramento, and Santa Rosa. Says the Website: “Forover 30years HSChas been theBay Area’s source for a unique mix of day-to-day electronic components, test equipment, computers and parts, as well as a mind-boggling array of Silicon Valley exotica!” x V  Jameco Electronics  202874 1355 Shoreway Rd. Belmont, CA 94002 USA  (650) 592-8097  (650) 592-2503  (800) 831-4242  info@jameco.com  http://www.jameco.com/ Full-service general electronics mail order. Jameco car- ries just about everything you need and often at a price less than the other guys. I regularly check the Jameco catalog to make sure I’m not overpaying. retail-general electronics 469 Of course, they have resistors, capacitors, ICs, transis- tors, diodes, and other active components; connectors, plugs, jacks, headers, and other passive components; batteries and battery chargers; microcontrollers and microcontroller development boards; books; kits; elec- tronics hardware; LEDs and LCDs; test and measure- ment tools (hand-held and bench); tools; and plenty more.  x d V JDR is a direct marketer of electronic components to hobbyists and the technical engineering communities. Their catalog is skewed toward PC components, but they carry plenty of general electronics (active and pas- sive components, tools, wire and cable, etc.) as well.  x V JK Electronics 202141 6395 Westminster Blvd. Westminster, CA 92683 USA  (714) 890-4001  (714) 892-6175  http://www.jkelectronics.com/ Complete line of resistors, capacitors, relays, switches, semiconductors, electromechanical, batteries, adhe- sives, tools, and lots more. The company also offers belts, pulleys, and other replacement parts for VCRs, which can also be used in robots. Just don’t expect your bot to play back the rerun of Baywatch you recorded last week. V J-Tron Inc. 202505 P.O. Box 378 324 Gilbert Ave. Elmwood Park, NJ 07407 USA  (201) 398-0500  (201) 398-1010  (888) 595-8766  J-Tron@erols.com  http://www.j-tron.com/ Datak kits, active and passive electronics components, switches, elecromechanical, wire and cable, fasteners, etc. x V LNL Distributing Corp. 203600 235 Robbins Ln. Syosset, NY 11791 USA  (516) 681-7270  info@lnl.com  http://www.lnl.com/ General electronics; vacuum tubes; online and local retail store. x V  retail-general electronics 470 Jameco Web site. Jaycar Electronics 203668 P.O. Box 6424 Silverwater. NSW 1811 Australia  +61 2 9741 8555  +61 2 9741 8500  techstore@jaycar.com.au  http://www.jaycar.com.au Jaycar sells a bunch of stuff, including personal elec- tronics, video cameras, test gear, electronics kits, passive and active components, hardware and fasteners, batter- ies and chargers, and more.  x V JDR Microdevices 202158 1850 South 10th St. San Jose, CA 95112-4108 USA  (408) 494-1400  (408) 494-1420  (800) 538-5000  sales@jdr.com  http://www.jdr.com/ Maplin Electronics 202871 National Distribution Centre Valley Road, Wombwell Barnsley, South Yorks S73 0BS UK  +44 (0) 1226 751155  +44 (0) 1226 272499  sales@maplin.co.uk  http://www.maplin.co.uk/ Maplin Electronics is a got-it, have-that electronic com- ponents superstore, based in the U.K. Of course, they offer the traditional passive electronics components, relays, connectors, and other prime parts. But they also deal in things like video wireless transmitters and receivers, GPS modules, optical components, and test tools.  x d V  (MPJA). I got a beautiful large tube in an aluminum housing for 10 bucks, and they got a customer for life. MPJA sells both new and surplus electronic and mechanical products. Their assortment of such items as motors is fairly small, but they make up for it with a wide selection of other common (and some not-so-com- mon) products, like LEDs, DC-DC converters, power supplies, sugar-cube-sized video cameras, tools, LCD displays (including a nice serial interface board), ultra- sonic transducers, microphones, and tons of other stuff. Prices are very good. Get their color catalog, but make it a point to regularly use the Web site for closeouts, specials, and new items. Be sure to study it well so you don’t miss the interesting items. For example, an addition that almost slipped by me is an affordable (under $3) ultraviolet LED. These are useful for a number of reasons. UV light causes cer- tain materials to fluoresce, which can be used (with the proper sensor) for robotic vision.  x d V retail-general electronics 471 Maplin Electronics online. Marlin P. Jones & Assoc. Inc.  202209 P.O. Box 530400 Lake Park, FL 33403 USA  (561) 848-8236  (800) 652-6733  mpja@mpja.com  http://www.mpja.com/ First, a story. Years ago I was interested in exploring radiation and radioactive substances (nothing danger- ous, mind you, just naturally occurring materials). I wanted to build a Geiger counter, which is basically a specially designed gas tube (called a Geiger-Mueller tube) and some very simple electronics. Though I searched everywhere, few sources were willing to sell just the G-M tube . . . except Marlin P. Jones & Assoc. Online Web site for Marlin P. Jones. MarVac Electronics 203609 2001 Harbor Blvd. Costa Mesa, CA 92627 USA  (949) 650-2001  (949) 642-0148  (800) 606-2782  sales@marvac.com  http://www.marvac.com/ General electronics; retail stores in southern California. x V  [...]... Products, which caters to both U.S and non-U.S paper clip buyers See: Viking Office Products http://www.vikingop.com/ x V Office Max 20 2964 36 05 Warrensville Center Rd Shaker Heights, OH 44 122 USA (21 6) 92 1-6 900 (21 6) 49 1-4 040 (800) 28 3- 7 674 http://www.officemax.com/ 20 2966 950 West 190th St Torrance, CA 905 02 USA (31 0) 22 5-4 500 (31 0) 32 7 -2 37 6 (800) 71 1-4 24 2 support@vikingop.com http://www.vikingop.com/... goodies V New Method Lasers 20 30 84 10 53 0-7 2nd St N., #706 Largo, FL 33 777 USA ( 727 ) 54 5-0 37 6 ( 727 ) 54 7-1 760 NML@laser-light-show.com http://www.laser-light-show.com/ Laser light shows, materials, products x V Resources Un-Ltd Lasers and optics at Meredith Instruments 30 0 Bedford St Manchester, NH 031 01 USA (6 03) 66 8 -2 499 20 2499 retail-opticals and lasers 485 (6 03) 64 4-7 825 (800) 81 0-4 070 info@resunltd4u.com... and robotics.” Wares include: • 8051 project board • LCDs • A/D relay modules HMC Electronics 20 2499 30 0 Bedford St Manchester, NH 031 01 USA (6 03) 66 8 -2 499 (6 03) 64 4-7 825 (800) 81 0-4 070 info@resunltd4u.com http://www.resunltd4u.com/ 20 2569 Gifts for yuppies Includes some robotic toys Wm B Allen Supply Company, Inc 20 2887 30 1 N Rampart St New Orleans, LA 7011 2- 3 105 USA (504) 52 5-8 22 2 (504) 52 5-6 36 1... General elec- tronics outlets Retail-Surplus Electronics: Also offer unusual parts, usually at a discount because of the used/overstock nature of the merchandise 20 4168 7860 W McLellan Rd Glendale, AZ 8 530 3 USA ( 6 23 ) 52 1-6 580 ( 6 23 ) 62 3 -2 860 riccf@earthlink.net http://www.chip-sources.com/ V Clever Gear 20 25 92 4514 19th St Court East P.O Box 25 600 Bradenton, FL 3 420 6-5 600 USA (800) 82 9 -2 685 http://www.clevergear.com/... 1 724 5 420 W Camelback Rd., #4 Glendale, AZ 8 530 1 USA ( 6 23 ) 93 4-9 38 7 ( 6 23 ) 93 4-9 4 82 (800) 72 2- 0 3 92 info@mi-lasers.com http://www.mi-lasers.com/ x V Midwest Laser Products Industrial surplus Offers include: • Air bearings-spindles, slides, stages, systems, and kits • Electronics-components, test equipment, power supplies • Optics and lasers -accessories, lenses, tables, mounts • Robotics-commercial robots,... 20 36 12 2 022 85 1100 Valwood Pkwy Ste #100 Carrollton, TX 75006 USA (9 72) 24 2- 8 7 02 (9 72) 24 5-7 415 http://www.tannerelectronics.com/ Dallas/Fort Worth-area electronic components store New and surplus 476 retail-general electronics Tech America (505) 88 3 -2 9 92 (505) 88 3- 1 889 (800) 82 4-9 064 wemail@earthlink.net http://www.walkerradio.com/ See RadioShack (this section) Unicorn Electronics 20 235 1 Full-line... for robot building, and the RoboBall, a functional robot enclosed in a clear plastic ball 1 23 N.E Seventh Ave Portland, OR 9 729 3- 0 040 USA (5 03) 23 3- 5 34 1 (5 03) 23 2- 3 37 3 (800) 95 5-4 877 sales@ursele.com http://www.ursele.com/ x General industrial electronics; wire and cable; video cameras; test equipment Local store in Portland, Ore Wirz Electronics Wacky Willy’s Web site is in English and Japanese 20 34 31... Robots-Hobby & Kit: Amateur robots and higher-end kits Toys-Construction: Construction toys, like LEGO, include robot kits Toys-Robotics: Robotic toys Acroname Inc 20 33 71 4894 Sterling Dr Boulder, CO 8 030 1 -2 35 0 USA ( 720 ) 56 4-0 37 3 ( 720 ) 56 4-0 37 6 info@acroname.com http://www.acroname.com/ Acroname is an online retailer specializing in robotics They carry numerous kits, including: • CMU Camera Kit-low-cost... Web Lowe’s Companies, Inc Home Depot, The 20 38 99 24 55 Paces Ferry Rd Atlanta, GA 30 339 USA (770) 43 3- 8 21 1 (770) 38 4 -2 33 7 (800) 43 0 -3 37 6 http://www.homedepot.com/ The world’s largest home improvement chain, with 1 ,30 0 stores in the U.S., as well as others in Canada, Puerto Rico, and Mexico Use the store locator to find a Home Depot near you An alternative to Home Depot, with a selection of fasteners,... Web page of HVW Technologies 496 retail-robotics specialty • Sharp infrared distance and proximity sensors Ships internationally x x d V Images SI Inc 20 21 53 V Lynxmotion, Inc 20 2 034 P.O Box 818 Pekin, IL 6155 5-0 818 USA (30 9) 38 2- 1 816 (30 9) 38 2- 1 25 4 sales@lynxmotion.com http://www.lynxmotion.com/ 39 Seneca Loop Staten Island, NY 1 031 4 USA (718) 69 8-8 30 5 (718) 98 2- 6 145 images@imagesco.com http://www.imagesco.com/ . books, and a lot more.  x V  URS Electronics Inc. 20 36 15 1 23 N.E Seventh Ave. Portland, OR 9 729 3- 0 040 USA  (5 03) 23 3- 5 34 1  (5 03) 23 2- 3 3 73  (800) 95 5-4 877  sales@ursele.com  http://www.ursele.com/ General. and retail-hardware & home improvement 480 Home Depot, on the Web. Home Depot, The 20 38 99 24 55 Paces Ferry Rd. Atlanta, GA 30 339 USA  (770) 43 3-8 21 1  (770) 38 4 -2 33 7  (800) 43 0 -3 376  http://www.homedepot.com/ The. cameras. x V Parts Express 20 26 12 725 Pleasant Valley Dr. Springboro, OH 4506 6-1 158 USA  ( 937 ) 74 3- 3 000  ( 937 ) 74 3- 1 677  (800) 33 8-0 531  sales@partsexpress.com  http://www.partsexpress.com/ Parts

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