DTMF decoder based on MT8870 chip,with 3.5 mm jack.
Features:
Includes MT8870 based.
5v operated.
Decode DTMF to 4 bit data.
3.5 mm Jack.
Application:
Device control using mobile.
Mobile controlled Robot.
Package Contents:
DTMF Module.
MT8870 chip.
Audio cable(3.5 mm)
Dialing -> Q4 Q3 Q2 Q1
Dial 1 -> 0001
Dial 2 -> 0010
DIP 3 -> 0011
DIP 4 -> 0100
DIP 5 -> 0101
DIP 6 -> 0110
Dial 7 -> 0111
DIP 8 -> 1000
Dial 9 -> 1000
