Improvised Radio Teletype

Outputs DTMF digits detected from wave audio file

Signal space decomposition in MATLAB (MUSIC, Pisarenko, EV, Minimum Norm)

A Caller Id Logger software married to ATmega32 based DTMF decoder hardware

DTMF Tone Player

Password Protected lock using Arduino and DTMF module.

Gamepad HID decode DTMF

Long Range DTMF-controlled Camera over Ham Radio

Small, interactive, offline projects, mostly in Processing

First mini-project

Diskmag for ATMEGA328 (arduinocade)

Dockerized Python serial modem attendant to pick up and dial a key, with support for Telegram Bot integration.

A nostalgic, procedurally-generated DTMF hacker adventure in 7 digit increments.

old utilities and projects for smart home automation

course project for Digital Signal Processing of E.E., Tsinghua University.

This is just a keypad generating dmtf sounds in html/js. See https://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling

Digital radio transmission decoder

DTMF demo app build by matlab appdesigner

Projeto final de Sistemas Embarcados (STE29008) do curso de Engenharia de Telecomunicações do IFSC - câmpus São José.