speaker

PUI Audio AMP2X15 Amplifier Board and Speakers Getting Started with the PUI Audio AMP2X15 Audio Amplifier Board and Speakers

Adding a speaker to an embedded project is not always as simple as connecting it directly to a microcontroller or…

Smart Wireless Doorbell Using IoT How to Build a Smart Wireless Doorbell System Using IoT

Missing a visitor at the front door usually means missed package deliveries, keeping friends waiting outside, or…

ESP32 GSM Calling Device using GeoLinker GL868 Build an ESP32 GSM Calling Device with Auto Answer Using GeoLinker

In this project, we build a complete ESP32 GSM voice calling device using the GeoLinker GL868 board. The main idea of…

Low-Cost Offline Voice Recognition Module Alternatives to VC-02 Low-Cost Offline Voice Recognition Module Alternatives to VC-02

Voice control technology has become an important part of modern human-machine interaction. It allows users to control…

Multi-Functional Smart Bottle with Wireless Charging & Audio The ESP32 Smart Water Bottle That Does Way Too Much

The maker, Alex from Hobby Built, created a really interesting smart bottle that goes far beyond just holding water. This bottle can play your…

Text-to-Speech on ESP32 using Wit.ai Build an ESP32 Text-to-Speech Using Wit.ai

Text-to-Speech, or TTS, is a technology that converts written text into spoken audio. It is widely used in voice…

A DIY Bluetooth Speaker That is Smaller Than an Earbud A DIY Bluetooth Speaker That is Smaller Than an Earbud

Shrinking consumer electronics to their practical limits is a recurring theme in the DIY hardware space, and a recent project from the YouTube…

Compact Deskimon for the Desk Deskimon The Interactive 3D Printed Desk Robot with ESP32 S3

Nowadays, many people enjoy keeping a small desk robot in their workspace. These little companions not only add a playful touch to the desk but…

ESP32 Text to Speech Offline System Build an ESP32 Text to Speech Offline System

ESP32 text to speech becomes a really helpful feature that can turn an embedded project from good to really useful.…

Portable DIY Bluetooth Speaker Build a Compact and Portable DIY Bluetooth Speaker

This DIY Bluetooth Speaker is a budget-friendly project that delivers clear wireless audio using affordable components…