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Based on S3C6410 (with ARM11 architecture) and embedded Linux operating system, this paper successfully implements a real-time digital video monitoring system. Test results show that displayed videos are fluent with low packet loss rate, and the system supports online broadcast for multiple clients.
The paper designs a wireless temperature sensor network node based on the AT86RF212 and introduces its design of hardware and software. The network node means to the temperature data collection and real-time monitoring. The test results show that the wireless temperature sensor network node has good performance, strong reliability, low power consumption for… (More)
We study an intelligent control system for LED (light emitting diode) street lamp based on illumination sensing and PWM (pulse width modulation). Experiment results show that the system can achieve energy-saving, environment-friendly and long life, and avoid human audible noise by using 25kHz as PWM modulation frequency.