The FFT algorithm is considered one of the most important algorithms developed in the last century and has wide ranging uses, including signal processing and sound compression. The FFT takes a tangle ...

I have already made some devices using SeeedStudio’s Seeeduino Nano microcontroller boards and Grove Sensors. In this post I am going to show you how to make a simple sound activated electronic switch ...

This DS18B20 library is not a full featured library for the DS18B20 family. This library supports only one DS18B20 per Arduino/ MCU pin. If you need more functions or control over the DS18B20 family I ...

The DHT22 temperature and humidity sensor is a versatile and cost-effective sensor used to measure ambient temperature and humidity for a wide range of applications. It is based on a digital signal ...

The Circuit diagram of smart whistle counter is shown in figure-1, It is based on Arduino Mega 2560 board. LM393 based sound sensor module is used for detection of sound of whistle. It operates at 5V ...