Circuit Diagram . Arduino Code for DHT11 interfacing with MATLAB. After connecting DHT11 sensor with Arduino, upload the code into Arduino using Arduino IDE.The complete Arduino code for logging and ...

Calibration: Adjust RV1 to calibrate the sensor for accurate readings.; Electrode Placement: Place the electrodes on the skin.; Power Up: Power the circuit and observe the output signal on the ...

Circuit Diagram. Circuit Diagram for this ESP8266 data logger is very straightforward, here only the BMP180 sensor is interfaced with NodeMCU.. The BMP180 sensor uses the I2C communication protocol.

The circuit diagram of the IoT-based data logger is shown in Fig. 5. Fig. 5: Circuit diagram of the data logger. It consists of DHT22 sensor, WeMos D1 R1 board, OLED display and 3.7V lithium-ion cell ...