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Session #1526

NUTS AND VOLTS: A WEB-BASED HANDS-ON ELECTRICAL AND ELECTRONICS REMOTE WIRING AND MEASUREMENT LABORATORY (RwmLAB)

Johnson A. Asumadu, Ralph Tanner, Jon Fitzmaurice, Michael Kelly, Hakeem Ogunleye, Jake Belter, and Song Chin Electrical and Computer Engineering Department 3045 Kohrman Hall Western Michigan University Kalamazoo, MI 49008 TEL: (616) 387-9201 (616) 387-6489 FAX: (616) 387-4096 asumadu@wmich.edu ralph.tanner@wmich.edu

ABSTRACT

In this project, a new architecture called "Remote Wiring and Measurement Laboratory (RwmLAB)" acts as a local multi-circuit board on a common distributed panel on the Internet. Matrix switching, data acquisition, data processing and analysis, and graphical unit interface enabled device characterize the RwmLAB. Students are physically able to wire up electrical and electronics circuits at the host lab site using the Internet access and by means of a conventional circuit board. The data acquisition interface allows students to make measurements at the nodes. The data collected at the nodes are made available on Web. The RwmLAB interface is greatly simplified by using a graphical interface to allow the students to experience the frustrations and hands-on experiences of a real-world laboratory environment.

INTRODUCTION

This paper presents the progress work on RwLAB. A prototype of RwLAB was demonstrated at ASEE 2001 in Albuquerque, NM [1]. RwLAB consists of a matrix switching board, Xecom’s [2] AWC86A as the main controller with a Web-based server, and a CPLD (Complex Programmable Logic Device). At the front-end of the AWC86 is a Web server and at the back-end is an AMD 40-MHz AM186ES-based micro controller with SRAM and Flash memory. The AWC86A Web server incorporates a multi-tasking operating system and TCP/IP stacks with 10Base-T Ethernet access. The controller portion allows the setting and resetting of up to sixteen dedicated TTL signals.

METHODOLOGY

The switching matrix board is wired using standard electronic relay latch components and laid on a standard breadboard. A pictorial representation of the various components of the switching matrix board is shown in Fig. 1. Figure 2 shows the features Proceedings of the 2002 American Society for Engineering Education Annual Conference & Exposition Copyright  2002, American Society for Engineering Education

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Asumadu, J. (2002, June), Nuts And Volts: A Web Based Hands On Electrical And Electronics Remote Wiring And Measurement Laboratory (Rwmlab) Paper presented at 2002 Annual Conference, Montreal, Canada. 10.18260/1-2--10748