Related posts

Feature

Onboard Complex Frequency Decoder IC MT8870DS
Onboard 5 LED indicators for easy viewing output state
DC Power Supply Voltage:5V(4.5V-5.5V)
Operating Temperature : -40-+85 C
IO Drive : Sink Current (Low level drive) 20mA,source current(High level drive) 270uA

Description

Eletechsup 16 Channel DTMF MT8870 Audio Decoder Phone Voice Decoding Controller for Smart Home Automation Relay Module

Feature :
DC Power Supply Voltage:4.5V-5.5V(Top: 5V) Operating Temperature : -40-+85 C IO Drive : Sink Current (Low level drive) 20mA,source current(High level drive) 270uA 16 Channel selectable high and low level output. 16 Channel output: 0-9,*# ABCD 8 kinds of Mode selection PCB Size : 50x20MM This decoding module is for mobile and fixed telephone voice dialing decoding function , has 16 channels, 8 kinds of selectable output function, and leads to STD signal to use as a microcontroller interrupt signal, very convenient to embed all kinds for mobile and fixed telephoneremote remote control, remote control decoding key value. 12 channels outputs decode mobile and fixed telephone keys (0-9, * #).Another 4 channels output(ABCD) can use "DTMF Dial" Software control.