The document describes a health monitoring system with wireless alarm that detects a patient's heart rate and temperature. It consists of a sensor unit worn on the wrist that monitors vital signs and transmits data wirelessly to an alarm and display unit. This allows caregivers to be alerted quickly if a patient's condition changes, such as if their heart rate is too high or low. The system uses a microcontroller to process sensor readings from a pulse oximetry sensor and transmit data via RF to the receiving unit, which contains another microcontroller connected to an RF receiver and buzzer alarm. If an abnormal heart rate is detected, the system triggers an alarm to notify caregivers.
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iaetsd Health monitoring system with wireless alarm