28158 Parallax Inc, 28158 Datasheet

28158

Manufacturer Part Number

28158

Description

BOARD HOMEWORK BASIC STAMP(10PK)

Manufacturer

Parallax Inc

Series

BASIC Stamp® 2r

Type

BASIC Stamp Kitr

Datasheet

1.28158.pdf (6 pages)

Specifications of 28158

Contents

Development Board

Product

Microcontroller Accessories

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

For Use With/related Products

BASIC Stamp® 2 and Board of Education

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

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BASIC Stamp

#29158 10-pack

Introduction

It’s not often that we start technical documentation with a bit of marketing punch. If you like the low cost of a

BASIC Stamp Rev. Dx (retails ~$34) and the idea of a half-price BASIC Stamp 2 / Board of Education (retails

~$100) then the BASIC Stamp HomeWork board is the ticket for your classroom. This is the least expensive way

to get a large educational group started with the BASIC Stamp microcontroller.

The HomeWork Board was created specifically for educators to send home with students with these uses in

mind:

Since it is less expensive than the Board of Education / BS2 module, can the board be used for Stamps in Class

experiments? Most likely, with the following considerations:

However, these cost-reducing limitations do not limit the use of the HomeWork Board for most projects. In fact,

the minimalist design is simple to use and entirely flexible for most projects.

• BASIC Stamp-related homework assignments

• Dedicated science-fair, contest or hobby projects

• Students who express personal interest in further developing their BASIC Stamp projects but can’t have

• Servo connection ports for robotics are not included on the HomeWork Board platform. It’s possible to

• 220 ohm resistors are built into each of the 16 I/O pins for current protection so the PBASIC interpreter

• In some Stamps in Class texts, circuit pictorials may not match the HomeWork Board. Most Stamps in

• Power supply is from a 9V battery, not the wall pack.

• Current supply from the on-board regulator is limited to 500 mA (Rev C and D) and 50 mA (Rev A and

their own Board of Education / BS2 due to its higher cost.

use male/male headers for servo connections with a second power supply jumpered to the HomeWork

Board to control servos.

cannot be easily damaged. This protects the BASIC Stamp from over-current conditions but also slightly

changes the behavior of the Stamps in Class experiments when certain commands are used, such as

RCTIME.

Class texts are HomeWork Board compatible, and some include alternative wiring diagrams or other

notations where needed. You may check the recommendations in each Stamps in Class text or refer to

the Stamps in Class program overview flowchart at www.parallax.com.

B), versus the Board of Education’s 1 amp or more.

HomeWork Board

#28158 BASIC Stamp HomeWork Board v1.3 1/10/2007

599 Menlo Drive, Suite 100

Rocklin, California 95765,

USA

Office: (916) 624-8333

Fax: (916) 624-8003

™

Technical:

Education:

Web Site:

support@parallax.com

education@parallax.com

www.parallax.com

Page 1 of 6

Related parts for 28158

28158 Summary of contents

Page 1

... However, these cost-reducing limitations do not limit the use of the HomeWork Board for most projects. In fact, the minimalist design is simple to use and entirely flexible for most projects. Copyright © Parallax, Inc. #28158 BASIC Stamp HomeWork Board v1.3 1/10/2007 599 Menlo Drive, Suite 100 Rocklin, California 95765, Technical: support@parallax ...

Page 2

... PC Interface Power Supply Environment: HomeWork Board Size Project Area Copyright © Parallax, Inc. #28158 BASIC Stamp HomeWork Board v1.3 1/10/2007 Rev PIC16C57 surface mount Rev D: PIC16F57 surface mount 20 MHz / ~4,000 instructions per second 2K bytes (program and data) ~500 to 600 lines of PBASIC ...

Page 3

... DB-9 Female: The DB-9 port connects via serial cable to your PC’s serial port. This port is used to download programs to your BASIC Stamp and for the BASIC Stamp to send data back to the PC. Copyright © Parallax, Inc. #28158 BASIC Stamp HomeWork Board v1.3 1/10/2007 B (916) 624-8333 www ...

Page 4

... Battery Tie-Downs: If using the HomeWork Board for projects involving high-vibration (on R/C airplanes, robots, etc.) a “zip-tie” can hold the battery firmly to the board if looped through these holes. H. Power Supply: Accepts a 9V battery. Figure 3 BASIC Stamp HomeWork Board Schematic Copyright © Parallax, Inc. #28158 BASIC Stamp HomeWork Board v1.3 1/10/2007 Page ...

Page 5

... Running Indicator LED remains on because the EEPROM is still communicating with the BASIC Stamp interpreter chip, but with the SLEEP example the EEPROM is shut down and the Running Indicator LED is off. Copyright © Parallax, Inc. #28158 BASIC Stamp HomeWork Board v1.3 1/10/2007 BASIC Stamp Power LED ...

Page 6

... You can find a quick-start guide for connecting the HomeWork Board to the PC and testing the programming connection in the first two chapters of "What's a Microcontroller?" Stamps in Class book is available as a free PDF download from www.parallax.com. Copyright © Parallax, Inc. #28158 BASIC Stamp HomeWork Board v1.3 1/10/2007 This fully HomeWork Board-compatible Page ...

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