-Luyuan Heart Forum- Wearable technologies such as smartwatches provide doctors with new ways to monitor patient health and detect cardiovascular risk factors. Metrics such as total daily steps and average resting heart rate have been used to predict cardiovascular health. However, Zhanlin Chen, a medical student at Northwestern University in Chicago, has developed a new … Read more
Health Monitoring of Smartwatches Introduction As people pay more attention to healthy living, smart health monitoring systems have gradually gained widespread attention and application. Smartwatches are widely used to monitor various health indicators in daily life, but what are their principles? Heart Rate Measurement Heart Rate Heart Rate The heart’s beating causes the blood vessels … Read more
From heart rate, blood pressure, sleep to energy consumption, fatigue status, and maximum oxygen uptake, the metrics displayed by smartwatches and fitness bands are increasing, but it seems that some values are not measured accurately? Your feeling is correct, the accuracy of various metrics varies greatly; some are accurate enough for doctors to reference, while … Read more
Experimental Scenario 1 Introduction Recently, while reviewing exam papers, I encountered an innovative question based on photoresistors. Inspired by this, I decided to design a clever experiment using Phyphox and ESP32 to see if I could measure my own heart rate. 2 Design Idea Utilizing the combination of Phyphox and ESP32 to measure the resistance … Read more
In today’s rapidly developing technology landscape, smartwatches have quietly entered our lives, becoming a caring assistant for health monitoring. They are compact and exquisite, like a spirit on the wrist, always guarding our health. Heart Rate Monitoring: Guardian of Cardiac Health Smartwatches can capture the rhythm of the heart in real-time through advanced optical volume … Read more
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In this article, we will introduce a method to calculate heart rate using the analog signal output from a pulse sensor. This method has been tested and the resulting heart rate values are quite accurate, with high measurement efficiency. First, let’s introduce the pulse sensor used in this article. This sensor measures the intensity of … Read more
This project uses an Arduino UNO board connected to the MAX30102 module (pulse oximeter and heart rate monitoring module), along with an OLED display and a buzzer for BPM measurement. BPM stands for “beats per minute”, which is about 65-75 for a normal person at rest, and may drop below this during sports activities. SpO2 … Read more