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Details about  Basic Stamp Programmable Logic Controller Schematic PLC

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Basic Stamp Programmable Logic Controller Schematic PLC
Basic-Stamp-Programmable-Logic-Controller-Schematic-PLC
Item Sold
Item condition:
New
Ended:
Apr 20, 2012
Price:
US $5.00
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Item location:
Addison, IL, United States

Description

eBay item number:
170567527491
Seller assumes all responsibility for this listing.
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Item specifics

Condition: New  

Burglar alarms, Animated displays, Household automation, Industrial control, Robots, Data acquisition and processing, Hobbies, Toys, Games....

Based on the Basic Stamp 2 chip, code is as easy as “IF (this) THEN (do that)” Imagine the power of a computer that fits in your hand, making decisions and executing physical tasks! Light LED's, activate relays, sense motion, vibration, light, heat, Your imagination is the limit!





Based on the economical and powerful Basic Stamp 2 chip

These plans will produce a simple, low cost yet powerful Programmable Logic Control.

This project is perfect for the student, hobbyist, shop technician, or even the experienced electronics engineer.

Built from readily available low-cost materials and current technology.

Designed for the experimentor! Starter code is supplied via email for direct transfer to PLC!

COMMAND RELAYS TO ACTIVATE ELECTRONICS

MEASURE RPM, LIGHT, HEAT, TIME

ENDLESS POSSIBILITIES!!!

SAVE MONEY, LEARN BY BUILDING IT YOURSELF!

SIMPLE, EASY TO UNDERSTAND PROGRAMMING FORMAT

BASED ON A POPULAR, ECONOMICAL AND WELL SUPPORTED MICROCONTROLLER



BUILD IT YOURSELF IN ONE EVENING!

BS 2 PLC PLANS

(10) 5VOLT INPUT/OUTPUTS

(8)ANALOG/DIGITAL INPUTS

(20 X 4) LCD DISPLAY

BUILD IT FOR LESS THAN $100

CODE INCLUDED! WIRE, ZAP AND GO!



FOR THOSE WHO HAVE PREVIOUS EXPERIENCE with the Basic Stamp, this is a straightforward project. It interfaces a MAX1270 A/D converter and debugs on a serial LCD. You will be surprised at the few lines of code that operate the core of this PLC! I supply a base program that reads one channel of the A/D converter and displays that reading on the Serial LCD 20x4 Backlit screen. The end user can simply copy, paste, and modify the code to their needs.

For those WITHOUT previous experience with the Basic Stamp, don't be doubtful of your success! I strongly recommend the Parallax book “What is a Microcontroller?” It includes a fully functional Basic Stamp 2, with lots of essential electrical components, and an enjoyable, informative, step by step approach to understanding and programming the BS2. You'll have lights blinking and speakers beeping in no time with the components supplied in the $80 kit. I picked my copy up from a local Radio Shack (call to verify they have it), and I strongly recommend it!

The code supplied with the plans will be emailed to the buyer upon date of schematic shipment (less than 24 hours after purchase excluding Sundays). It can then be downloaded directly to the Basic Stamp from a PC. Included is code to verify the basic stamp is working, code to verify the LCD is working, and finally the code that displays a value from the ADC to the LCD screen. The color .JPG schematic is emailed with the starter code. The schematic and code is original and deduced from components utilized to construct the PLC. My schematic cannot be reproduced or redistributed under penalty of law.



Components Required:

($10) These plans!

($30) BS2 “OEM” in kit form, ($50 assembled) + ($10) programming cable, OR if you are starting from square one, “What is a Microcontroller?” (Windows) Educational kit containing all needed materials (including programming cable) to successfully jump into the world of Basic Stamps. ($80) www.parallax.com

($20) Max1270 Analog to Digital Converter. (Better prices can be found with a little detective work.) Parallax carries this, Dallas-Maxim makes it. Analog to Digital converters “talk” to the microprocessor through serial communication, all that is included in the code. You will be surprised at how simple it is! It has 8 analog inputs with a wide range of input voltages up to 10 vdc. Depending on your application, this component can be omitted or substituted for a 4 channel ADC etc. Nonetheless, with these plans you will have the ability to get an ADC up and running with almost no effort! www.parallax.com

($13-$50) 20x4 Serial LCD Display, HD44780 interface, back light optional. (Thats 20 Characters wide, 4 lines) Rather than wasting I/O lines and being tied down by a cable to the PC, LCD is by far the most attractive way to go for data display. A back light will drain a household 9V battery in a fairly short time, but is good for midnight tinkering. I found the $13 displays (s&h included) on www.ebay.com and they work perfectly. I don't recommend buying used LCD's.

******** A different size LCD display (16x2 etc) can be used by re-configuring the LCD driver chip listed below.**************

($5) Serial LCD kit #117. Specific commands and a schematic comes with this kit. Available from www.phanderson.com this nifty product (containing a pre-programmed chip, resistors, and nearly enough wire for this whole project) uses one I/O pin to transfer characters to the LCD screen. A small printed circuit board ($8) is available to “piggyback” all the kit components to the LCD itself, and clean up the project's wiring. The entire assembled 20x4 LCD is available from phanderson as well, if you're in a hurry. I am not affiliated with P H Anderson.

($10-$50) Misc Radio Shack components such as wire, resistors, capacitors, breadboard, project box, buttons, photoresistors, solder, tools, 9V DC wall adapter, etc. www.radioshack.com

Total = $68 (no frills) to $223 (complete, professional enclosed unit)

***I do not supply any hardware whatsoever. My comments above simply reflect what the end user will get for their investment.***





Keep in mind that a Parallax PLC without a Basic Stamp, LCD Display, or A/D chip costs $199 alone.

Prices as of September, 2006 are dictated by the manufacturers and subject to change without notice.

I assume no liability for any damage caused by end user misuse or mistake.

Schematic and code is guaranteed to function as described, as delivered. If unhappy with my product, simply mail it back for a full refund!

Tech support is limited and is done in my free time (what I have of it!) I will address all issues to the best of my ability, or I will advise where to find a solution. Don't wire in a hurry! I usually miss a connection, or whatnot. Double check your work before contacting me for help.




Please forward any questions or comments to ericpine@hotmail.com







NOTES AND INFORMATION

I am not affiliated with any companies whatsoever.

www.parallax.com

www.maxim-ic.com

www.phanderson.com



























































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