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Based on the analysis of the infrared thermometry principle, using low power Bluetooth4.0 technology and combining software and hardware, a thermometer was designed, which can send temperature data to the mobile phone by Bluetooth4.0. After amplified the infrared temperature sensor signal of the thermometer by a instrumentation amplifier, CC2540 carries on the AD sampling, based on the infrared thermometry...
Based on the design of traditional noninvasive oximeter and the method of near infrared spectroscopy measurement, a wireless pulse oximeter is designed with the use of Bluetooth 4.0 low energy technology, combining smart mobile APP with hardware. The oximeter uses an Radio Frequency (RF) integrated chip CC2540 to control red light LED and infrared red light LED lighting in turn, sample pulse wave...
Growing tourism industry, electronic guides are required to provide more comprehensive, accurate and convenient service. To solve this problem, by summarizing the needs of the existing electronic guide equipment, combining with mobile intelligent terminals, the Internet of Things and Internet Services, drawing on the Three-layer Framework of Software Development, positioning Bluetooth technology,...
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