Tag: arduino

[tutorial] How to use DHT-22 sensor

Introduction The DHT-22 (also named as AM2302) is a digital-output relative humidity and temperature...

[tutorial] How to use an LCD display

Introduction The LiquidCrystal library allows you to control LCD displays that are compatible with...

[tutorial] How to use an RGB LED

Introduction An RGB LED has 4 pins, one for each color (Red, Green, Blue)...

[tutorial] How to use MQ2 Gas Sensor

Introduction The MQ series of gas sensors use a small heater inside with an...

[tutorial] How to use DS18B20 Temperature Sensor

Introduction In this tutorial you will learn how to use DS18B20 temp sensor with...

[tutorial] How to use a Buzzer (or piezo speaker)

Introduction In this tutorial you will learn how to use a buzzer or piezo...

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