Microcomputers big and little: Selecting a low-cost laboratory computer network

Computer Network Time Synchronization using a Low Cost GPS Engine

Accurate and reliable time is necessary for financial and legal transactions, transportation, distribution systems, and many other applications. Time synchronization protocols such as NTP (the Network Time Protocol) have kept clocks of such applications synchronized to each other for many years. Nowadays there are many commercial GPS based NTP time server products at the market but they almost ...

Microcomputers in a water authority laboratory

Low-cost computer-controlled current stimulator for the student laboratory.

Electrical stimulation of nerve and muscle tissues is frequently used for teaching core concepts in physiology. It is usually expensive to provide every student group in the laboratory with an individual stimulator. This article presents the design and application of a low-cost [about $100 (U.S.)] isolated stimulator that can be controlled by two analog-output channels (e.g., output channels of...

Big and Little OER

Copyright and Moral Rights for the articles on this site are retained by the individual authors and/or other copyright owners. For more information on Open Research Online's data policy on reuse of materials please consult the policies page. Biographical notes: Martin Weller is Professor of Educational Technology at the Open University. He chaired the OU's first major elearning course, which at...

Teaching in the Laboratory Low-cost computer-controlled current stimulator for the student laboratory

Güçlü B. Low-cost computer-controlled current stimulator for the student laboratory. Adv Physiol Educ 31: 223–231, 2007; doi:10.1152/ advan.00110.2006.—Electrical stimulation of nerve and muscle tissues is frequently used for teaching core concepts in physiology. It is usually expensive to provide every student group in the laboratory with an individual stimulator. This article presents the des...