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Basic stamp guide BASIC Stamp Guide W Durfee University of Minnesota Available on-line at www me umn edu courses me robot ver oct- Introduction Overview The BASIC Stamp is the simplest microcontroller to learn about and to use even for the novice who has

BASIC Stamp Guide W Durfee University of Minnesota Available on-line at www me umn edu courses me robot ver oct- Introduction Overview The BASIC Stamp is the simplest microcontroller to learn about and to use even for the novice who has never programmed before This guide is for students in ME or students anywhere who are confronting the Stamp for the ?rst time For advanced Stamp users prowl the web there are lots of resources The BASIC Stamp is a microcontroller made by Parallax Inc www parallaxinc com The Stamp microcontroller chip comes in several avors and Parallax also produces several packaged Stamp boards that incorporate the Stamp chip plus some peripherals The Parallax web site has details on the complete Stamp product line This guide covers the BASIC Stamp HomeWork Board a product introduced by Parallax in exclusively for students and educators With the HomeWork Board you can write programs and create interface circuits to read switches and other sensors and to control motors and lights with very little e ?ort Many of the pictures and drawings in this guide were taken directly from the documentation on the Parallax Web site the place to turn if you need more information Although we cover the HomeWork board much of the material in this guide is appropriate for other Stamp models The Stamp Interfacing section on the ME web site www me umn edu courses me covers more on interfacing the Stamp to the real world The HomeWork Board features a BASIC Stamp controller module with a PIC C C SS microprocessor for running programs and a LC B K EEPROM for storing programs It is mounted on a board with a LM V mA voltage regulator that provides a voltage source to the chips a female DB- serial port connector for talking to the host PC power and ground connections a breadboard area for adding your own circuits and clips for attaching a V battery to power the board The I O pins on the Stamp have ohm resistors attached which means it is practically impossible to damage the board through wiring mistakes An important feature of the Stamp is that you can create a control program on the host PC download it to the Stamp and it will run automatically Remove the serial cable connection to the PC and the program will still run from the top each time you push the reset button Remove the battery and put the HomeWork board in a closet for six months When you reconnect the battery the last program you stored will run This means that you connect the board to the host PC to develop and debug your program but once that is done you no longer need the PC to run the program The BASIC Stamp code speed is instructions sec which means PBASIC code lines every second CHere is a picture of the HomeWork Board And here is a schematic of the HomeWork with a description of its parts