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2-LINE-Intercom
- This project is used as an electronic private exchange. It has two telephones, which have the intercom facility, and they can be connected to the telephone line. All the functions are controlled by the 8-bit microcontroller AT89C2051 which has an Pro
MT8870
- MT8870 DTMF tone decoder code and implementation
cysintercom
- This project is used as an electronic private exchange. It has two telephones, which have the intercom facility, and they can be connected to the telephone line. All the functions are controlled by the 8-bit microcontroller AT89C2051 which has an Pro
HT95R6x-CPT-(Call-Progress-Tone)-Decoder-Function
- CPT Detection of ht95r6-CPT Detection of ht95r6xx
DTMF-detect
- 基于DSP的DTMF（双音多频）设计与实现解码代码-Design and Implementation of DSP-based DTMF (Dual Tone Multi Frequency) decoder code
phone-operated-robot
- In the project the robot is controlled by a mobile phone that makes a call to the mobile phone attached to the robot. In the course of a call, if any button is pressed a tone corresponding to the button pressed is heard at the other end called 慏ual T
home-automation-sysytem
- Introduction Dial your number using DTMF phone or Cell phone from anywhere in the world and remotely turn on/off any of the 8 relays. The MCU on the interface senses Telephone ring, Automatic telephone pick up, and line hang up, displays informati