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In this example project, we collect the data from pulse sensor using Arduino UNO and transfer this to NodeMCU using I2C. And from the Node MCU, the data is then uploaded to adafruit io (Make sure that ...
In this example project, we collect the data from pulse sensor using Arduino UNO and transfer this to NodeMCU using I2C. And from the Node MCU, the data is then uploaded to adafruit io (Make sure that ...
ESP 8266 NODE MCU; Temperature Sensor (LM23) Heart rate Sensor (KY039) OLED Display (128×64) Circuit Diagram: Fig 1. Connection for Wearable IoT Health Monitoring System Design Procedure: The sensor ...
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