speaker
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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 single-board computer. Most audio sources provide a relatively low-level signal, while a speaker needs more power to produce useful sound output. This is where an audio amplifier becomes important. The PUI Audio AMP2X15 is designed to bridge this gap,… |
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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 missing unexpected guests. Standard doorbells only work if we happen to be sitting nearby and the chime is loud enough to hear. If we are stuck in a work meeting, listening to music with headphones, or away from home, it is easy to miss the ring, leaving… |
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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 this project is very simple. When we press a push button connected to the ESP32 board, it will automatically call a fixed phone number. Also, if someone calls the SIM card inside the module, the call will be automatically attended, and we can talk… |
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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 electronic devices and systems using simple spoken commands instead of traditional input methods such as buttons, switches, or touch screens. This type of interaction makes devices easier to use, more accessible, and more convenient in many… |
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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 favorite songs, charge your phone wirelessly, display customizable LED lighting, and even indicate the water level inside in real time. What makes it even more impressive is how thoughtfully the entire structure is designed. The outer body is built… |
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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 assistants, accessibility tools, alert systems, kiosks, and smart devices. Today, ESP32 Text to Speech using AI has become a common approach for adding voice output to small electronic projects. On computers and smartphones, TTS works smoothly because… |
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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 channel Gadget Industry takes that idea to an impressive extreme. The build centers on a Bluetooth speaker so small it undercuts the size of a single AirPods earbud, yet still manages to function like a conventional portable speaker. At the core of the… |
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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 also help bring out the inner child and provide a brief escape from daily stress. Among the latest additions to this trend is the Deskimon, a compact and creative 3D-printed desk robot. Unlike other desk robots that require separate components for the… |
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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. Whether you're building a handheld device, automation panel, safety monitor, or educational tool, implementing text to speech in ESP32 makes your project more accessible and user-friendly. Over time, we’ve tried many different ways to do this. Our… |
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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. With the help of a DIY Bluetooth Speaker amplifier, the Bluetooth module sends the audio signal to the amplifier, which then provides the necessary power to drive the speakers. It can also be used for building a DIY Bluetooth portable speaker. The… |
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STMicroelectronics Announces Expanded "Lab-in-Fab" Collaboration in Singapore to Advance Piezoelectric MEMS Technology
New phase of Lab-in-Fab includes projects with Singapore’s A*STAR Institute of Materials Research and Engineering (A*STAR IMRE) and the National University of Singapore (NUS) One of the largest public-private R&D collaborations in Singapore to date, in semiconductors Focus on advancing… |
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Fusion Chime Vision, A ESP32-Based Smart Doorbell System for Modern Smart Homes Fusion Chime Vision is an advanced open-source doorbell system built around the ESP32 microcontroller platform. It replaces a conventional chime with an interactive device that displays custom messages or images on its built-in screen and captures photo and audio clips when motion is detected. With real-time video streaming and two-way audio communication, it… |
