{
    "Library": "ht9170",
    "Description": "API for the HT9170 DTMF Decoder",
    "Sensor Class":
    {
        "ht9170":
        {
            "Brief": "Dual Tone Multi Frequency (DTMF) Decoder",
            "Description": "This driver was developed using the DTMF (Dual-Tone Multi-Frequency) Shield by Seeed Studio*. It can decode DTMF signals presented at its audio input. It does not generate DTMF signals.",
            "Part Numbers": ["ht9170"],
            "Categories": ["telephony"],
            "Connections": ["gpio"],
            "Project Type": ["telephone", "prototyping"],
            "Manufacturers": ["seeed"],
            "Kits": [],
            "Image": "ht9170.jpg",
            "Examples":
            {
                "Java": [],
                "Python": ["ht9170.py"],
                "Node.js": ["ht9170.js"],
                "C++": ["ht9170.cxx"],
                "C": []
            },
            "Specifications":
            {
                "Operating Voltage": {"unit": "V", "typ": 5},
                "Operating Current": {"unit": "mA", "typ": 3}

            },
            "Urls" :
            {
                "Product Pages": ["https://www.seeedstudio.com/DTMFDual-Tone-Multi-Frequency-Shield-p-1839.html"],
                "Datasheets": ["http://www.holtek.com/pdf/comm/9170v111.pdf"],
                "Schematics": ["http://www.dossant.com/projects/wp-content/uploads/2013/01/dtmf_mod3_schematic.pdf"]
            }
        }
    }
}