MT8870 DTMF Speech Decoding Module
   

MT8870 DTMF Speech Decoding Module

MT8870 – DTMF Speech Decoding Module with onboard MT8870 chip, 5V operation, LED indicators, and direct Arduino/MCU compatibility.

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₹239.00
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The MT8870 DTMF Speech Decoding Module is a compact decoder designed for telephone voice dialing signal detection and decoding. Operating at 5V with low power consumption, it integrates the MT8870 frequency decoder chip and features onboard 3.5mm input, voice input interface, and five LED indicators for easy status monitoring. It decodes 12 standard telephone keys (0–9, * , #) and four additional outputs (A, B, C, D) for extended software control. With direct compatibility for Arduino (UNO, MEGA2560, DUE) and other MCUs (AVR, PIC, STM32, ARM, FPGA, etc.), it provides a simple, reliable solution for DTMF applications in communication, control, and automation systems.

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SizeSMLXL
Men 7-10 10-13 13-15 15-17
Women 7-9 10-12 13-14 15-16

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