eletechsup MT8870 DTMF Decoder Voice decoding Module Phone Remote Control Board (4)

Description

• Onboard Complex Frequency Decoder IC MT8870D
• Onboard 5 LED indicators for easy viewing output state
• Universal 2.54mm pin
• DC Power Supply Voltage : 5V(4.5V-5.5V)
• Operating Temperature : -40-+85 C

Product Name: MT8870 DTMF Decoder Voice decoding module phone Remote control Board

Package:(Does not include UNO/MEGA2560):
1 PCS MT8870 DTMF Voice decoding module;
1 PCS 50cm Male to Male audio cable ( 3.5mm jack );

Description:
1. Onboard Complex Frequency Decoder IC MT8870D
2. Onboard 5 LED indicators for easy viewing output state
3. Universal 2.54mm pin
4. DC Power Supply Voltage : 5V(4.5V-5.5V)
5. Operating Temperature : -40-+85 C
6. IO Drive : Current Maximum 10mA.
7. PCB Size : 25.4x25.4MM

This decoding module is for mobile and fixed telephone voice dialing decoding function
Designed specifically for ARDUIUO(UNO MEGA2560 etc) Board.also use for Breadboard MCU( C8051 C51 ZIGBEE CC2530 AVR PIC MSP430 STM32 STM8 ARM Xilinx Altera Lattice FPGA/CPLD)
Does not require any wiring, can be inserted directly into the UNO/MEGA2560/DUE board to use.
12 Digital outputs decode mobile and fixed telephone keys (0,1,2,3,4,5,6,7,8,9, * #).Another 4 Digital output(A,B,C,D) can use "DTMF Dial" PC Software control.

Dial-up -> A4 A3 A2 A1
Dial 1 -> 0 0 0 1
dial 2 -> 0 0 1 0
Dial 3 -> 0 0 1 1
Dial 4 -> 0 1 0 0
Dial 5 -> 0 1 0 1
Dial 6 -> 0 1 1 0
Dial 7 -> 0 1 1 1
Dial 8 -> 1 0 0 0
Dial 9 -> 1 0 0 1
Dial 0 -> 1 0 1 0
Dial * -> 1 0 1 1
Dial # -> 1 1 0 0
Dial A -> 1 1 0 1
Dial B -> 1 1 1 0
Dial C -> 1 1 1 1
Dial D -> 0 0 0 0

Arduiuo uno/mega2560 Code fragment:
After purchase, please contact me for complete code!

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