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{
"Library" : "ht9170" ,
"Description" : "API for the HT9170 DTMF Decoder" ,
"Sensor Class" :
{
"ht9170" :
{
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"Name" : "Dual Tone Multi Frequency (DTMF) Decoder" ,
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"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." ,
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"Aliases" : [ "ht9170" ] ,
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"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" ]
}
}
}
}