GitHub

DTMF-controlled mobile robot: Operated via phone keypad tones, it interprets dual-tone signals to maneuver. Ideal for remote operations, surveillance, and exploration.

A DTMF (Dual Tone Multi-Frequency) controlled mobile robot is a versatile robotic system that responds to commands sent through a phone keypad or similar interface using DTMF tones. These tones are a ...
EDN

Arduino with Keypad Tutorial

A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...
Hackaday

touch tone

[poprhythm]’s Touch Tone MIDI Phone is a fantastic conversion of an old touch tone phone into a MIDI instrument complete with intact microphone, but this project isn’t just about showing off the ...
GitHub

brockar/Arduino-Nano-Macropad-Keypad

Normalmente se hacen teclados o macropads con Arduino Micro Pro. Sin embargo, puede que no tengas a tu disposición uno de estos o te hayas equivocado al comprar (como yo). El arduino nano no tiene HID ...