The Node MCU board is a compact electronic device with internet connectivity and programmability. It incorporates a DHT11 sensor to measure temperature and humidity. The Node MCU board acquires ...

Circuit Diagram. Circuit diagram for this IoT based vehicle parking system is given below. It involves two IR sensor, two servo motors, one ultrasonic sensor and one 16x2 LCD. Here the ESP8266 will ...

Arduino IDE: We have used Arduino IDE software to program our NODE MCU. MIT App Inventor: We have used MIT app inventor to create an android application for monitoring and controlling purposes. Google ...

Debugging a microcontroller program that doesn't start up properly can be a frustrating and time-consuming task. However, by following some systematic steps, you can identify and fix the source of ...

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 ...

This project comprises a minimal HW/SW design for the ESP8266 Node MCU board to send periodic measurements from the DS18B20 digital temperature sensor to a Python-based graphical user interface ...