Tanaka Masayuki’s PCMFlow722 library enables (half-duplex) two-way real-time HD voice over ESP-NOW on ESP32 boards with a speaker and a microphone, effectively transforming them into walkie-talkies.

Arduino library for parsing and decoding MOD, WAV, MP3, FLAC, MIDI, AAC, and RTTL files and playing them on an I2S DAC or even using a software-simulated delta-sigma DAC with dynamic 32x-128x ...

ESP32 text to speech becomes a really helpful feature that can turn an embedded project from good to really useful. Whether you're building a handheld device, automation panel, safety monitor, or ...

While talking computers are old hat today, in 1978, a talking toy like the Speak and Spell was the height of novel tech. [Kevin] found a vintage one, but it didn’t work. It looked like someone had ...

80s-era electronic speech certainly has a certain retro appeal to it, but it can sometimes be a useful data output method since it can be implemented on very little hardware. [luc] demonstrates this ...

Cherie is a Creative Technologist who joined MUO in 2021. She's an avid maker and technical writer, with experience using Raspberry Pi, Arduino, Micro:bit, ATtiny, and ATMega devices as well as ...

Robert has a knack for the written word and an unquenchable thirst for learning that he applies wholeheartedly to every project he tackles. His eight years of freelance writing experience spans a ...

Why Choose nRF24L01 for Arduino Based Walkie Talkie? The main component of this project is the NRF24L01 RF module and Arduino Uno, which is the brain or processor. We have already learned how to ...