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In this project, you will learn how to control different types of electrical loads “DC or AC” using the famous MT8870DE DTMF Tone Decoder IC. You can use this to control a robot, an airplane, electrical loads, etc, in real-time.Ī project based on the DTMF “Dual Tone Multi-Frequency” that I am about to share with you guys is one of my first top 20 projects I created when I just started learning Electronics. This can be used just like the Wireless Radio Transmitters and Receivers. While using the MT8870DE DTMF Decoder there is no need to write a message.

MT8870 DTMF Decoder Arduino circuit Diagram:ĭTMF “Dual Tone Multi-Frequency”– In this tutorial, you will learn how to use the MT8870DE DTMF Decoder IC with any cell phone and control different electrical loads from anywhere around the world, by simply pressing keys on your cell phone.

MT8870DE DTMF Decoder for controlling electrical loads:.

MT8870DE Dual Tone Multi-Frequency Decoder IC:.

What is the difference between tone and pulse dialing?.

What is DTMF write down the application of DTMF?.

Some of the most commonly asked questions and their answers.

About the DTMF “Dual Tone Multi-Frequency” Technology:.

The components and tools used in this project can be purchased from Amazon, the components Purchase links are given below:.