In this tutorial, we will learn how to use our 2-Axis Joystick to manipulate the color of an RGB LED.…
KY-038

How to Control 220V Light Bulb from 5V Arduino using a Relay
In this tutorial, you will learn how to control a 220V light bulb from 5V Arduino using a relay. Parts…

How to Turn ON/OFF the Light with Claps – KY-038
In this tutorial, you will learn how to turn on and off the light with a sound sensor (KY-038) and…

ESP8266 NodeMCU – KY-038 Sound Sensor
In this tutorial, we will learn how to use our capacitor sound sensor to measure sound intensity around the room.…