Development of an Automatic Scaler

Abstract

A self-designed automatic scaler is introduced.A microcontroller LPC936 is used as the master chip in the scaler.A counter integrated with the microcontroller is configured to operate as external pulse counter.Software employed in the scaler is based on a embedded real-time operating system kernel named Small RTOS.Data storage,calculation and some other functions are also provided.The scaler is designed for applications with low cost,low power consumption solutions.By now,the automatic scaler has been applied in a surface contamination instrument.

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