TeleSecretary is a low-cost Renesas M16C microcontroller-based remote PDA system. It contains a touch-tone decoder and generator, and digital voice recording and playback components. The touch-tone decoding and generating is handled by the Renesas microcontroller M32C/84.
An event database is built on the M32C/84 microcontroller to store the scheduled appointments. The M32C/84 on-board real-time clock [...]
This project is a portable Point of Sale terminal designed specifically to handle lab manual and class supply sales in a university environment. This involves three short but very busy sales periods per year ( less than 1 week each), using staff with no training on a cash register per-se. Commercial POS terminals were [...]
SmartProbe is simple low cost moisture and temperature alarm system for plants. Insert it in the plant’s root system and it measures the moisture and temperature. It sounds an alarm if the moisture or temperature goes out of preset limits. Shut it off with a gentle tap or knock on it to ask it the [...]
Mobile phones have become an ubiquitous gadget used worldwide. Despite this, there are a number of different communication technologies and the GSM (Global System for Mobile Communications) standard has emerged as a rising star. Used mainly in Europe, it is also gaining ground in different Asian and American countries.
A differentiation feature of the GSM phones [...]
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