MT8870 DTMF Tone Decoder Module
$99
$192.06
The MT8870 DTMF Voice Decoding Module is a compact, reliable solution for decoding dual-tone signals from telephones or audio sources. With onboard LED indicators, a 3.5mm input jack, and full Arduino compatibility, it’s perfect for mobile-controlled robots, automation projects, and audio signal decoding tasks.
Audio & Amplifier