DTMF, Dual Tone Multi Frequency, MT8870DE DTMF Decoder
DTMF Decoder module based on MT8870 DTMF Decoder module based on MT8870 [RKI-2569] - ₹110.00 : Robokits India, Easy to use, Versatile Robotics & DIY kits
MD0145 - MT8870 DTMF Voice Audio Decoder Module
MT8870 DTMF Decoder Module Pinout, Datasheet, Features & Circuit