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The DFRobot Gravity Offline Voice Recognition Module allows for super fast and easy setup of voice commands for an arduino ...

In this video, I am showing how to interface the sim900a mini-module with Arduino. It also shows how to make calls using this ...

In this test, we tried to read temperature from a remote SIP phone.

This is an Arduino-based Blue Box that supports five different signalling systems, plus a Red Box mode that can play multiple coin ...

Pulse To Tone Converter for old Rotary phone to use VoIP telephony. It connects to line without modifying old phone.

This project include step by step creating PCB for receive interface / module for Arduino Caller ID (CID) is the generic name for a ...

This is the start of converting the original ESP8266 telephone central office project over to using ESP32 to: -allow more GPIO ...

Learn the real differences between Arduino Uno vs ESP8266 vs ESP32 in this full beginner's guide. I'll show you how to install ...

This is a realistic PA system with weather alert based on a Arduino Uno. Updates: -Added a menu system & emergency alerts.

Reciclado de componentes de un teléfono monedero para ser controlados con arduino, para reducir costos en proyectos a ...

Interaction with Arduino Board and GSM using Microsoft Visual Studio C# Share your ideas!! Comment your suggestions!

High quality PCB prototypes: https://www.pcbway.com PCB and Project here: http://bit.ly/4769EZv I've made some ESP32 ...

Big Telco will hate this... This video explores Walter, a new open-source cellular board that combines GPS, LTE-M, NB-IoT, WiFi, ...

Arcturus product manager David Steele demonstrates how to make use of the uCMK60-VoIP dedicated input and output signals, ...

Demonstrates how an Arduino can be used to trigger a phone call to a voice menu. Full project description at ...

This is a followup to my previous video https://www.youtube.com/watch?v=bEPe8Pm1mdw&t=1s In this video I continue to play ...

A well-kept secret of the ESP32 is its extended audio capabilities because it is hard to use. Luckily, I found a library and a toolset ...

A quick start for Arduino Yun Shield and Mega2560.

The ESP32 Audio Kit V2.2 is a nice platform for synthesizer projects and also other stuff. Unfortunately it has limited available IOs ...

Love those rotary phones you have sitting in the attic or basement? Don't let them live with the dust bunnies and the varmints!