This article presents the design of the internal ear thermometer, wireless surveillance for patients to keep track of the temperature change in the body of the patient surveillance in each interval. If the patient's body temperature changes may cause harm to the patient. Such a meter will send a signal to alert doctors and nurses acting patient care. Inner ear thermometer, wireless is designed to measure the temperature inside the body of the patient from the ear canal using infrared sensors and transmit information to the computer temperature value via the Bluetooth wireless communication. Controls work with microcontrollers Test results found that working within the ear thermometer wireless. Temperature can be measured in the range of 27 to 50° c. A temperature measurement error must not exceed ± 0.5° c. By having the transmission distance of not less than 12 m.
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