Day: June 12, 2020

Arduino – Based Wireless Frequency Meter

INTRODUCTION:- This project deals with measuring frequency of sinusoidal AC signals in the range of 50 Hz to 3 KHz. In this frequency meter, test signal must be an alternating one and its amplitude must not be greater than 10 V peak-to-peak. Next is bridge rectifier, in which alternating signals is fully rectified to pulsating …

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Sending data from NodeMCU to cloud

Introduction It has become essential to send data from the sensor node to the cloud to monitor the status of the system from anywhere. In this tutorial,we will go through how to send data from the temperature sensor to the cloud platform. Required Components NodeMCU Temperature Sensor(LM35) Jumper wires BreadBoard USB cable Circuit Diagram  Explanation …

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