Probably you wonder how Made in China iPod Nano clones are sold at $10. They work in the way people used to build clap switches with 555 IC once. IC and sometimes microcontroller with manufacturer distributed hex files or binary files. It was proprietary mixed with community effort. Arduino and ESP32 are indeed costly. But they have made programming microcontrollers completely open source for the … [Read more...]
Archives for May 2024
What is USB Audio and How USB Type-C Audio Works
In the contemporary digital age, the way we interact with audio has undergone a profound transformation. One of the pivotal advancements in this realm is the advent of USB audio. This technology has not only revolutionized how we consume and produce sound but has also opened up new vistas of possibilities in various domains, from consumer electronics to professional audio production. Also Read: … [Read more...]
Understanding I²S: The Inter-IC Sound Protocol
In the realm of digital audio, various protocols facilitate the transfer of audio data between components. One such protocol, widely used for transmitting high-quality audio signals within electronic devices, is I²S, which stands for Inter-IC Sound. Developed by Philips Semiconductor (now NXP Semiconductors) in the late 1980s, I²S has become a prevalent standard in audio applications, particularly … [Read more...]
Microcontrollers (ESP32) vs. SBCs (Raspberry Pi) for Crafting a Music Player
In the age of ubiquitous digital technology, creating custom electronic devices has become increasingly accessible to enthusiasts and hobbyists. One popular project is building a music player, whether it's for personal use, educational purposes, or as part of a larger audio system. When embarking on such a project, one of the primary decisions to make is the choice of hardware platform: … [Read more...]
How Crossover Speaker Circuits Work
A crossover speaker circuit is an electrical network designed to divide an audio signal into different frequency bands, directing each band to the appropriate driver (such as tweeters, subwoofer, and woofers) within a multi-driver speaker system. Its primary goal is to ensure that each driver operates within its optimal frequency range, thus maximizing overall sound quality and minimizing … [Read more...]
Which Single Board Computers Can Run Android
Single Board Computers (SBCs) have gained popularity for their versatility, affordability, and compact form factor, making them ideal platforms for various projects and applications. While many SBCs are commonly associated with Linux-based operating systems like Raspbian or Ubuntu, some are capable of running Android, the popular mobile operating system developed by Google. In this article, we'll … [Read more...]
How Load Cell Sensor Works (Weighing Scale Sensor)
Load cells are a special form of force transducers (force sensors) for the construction of weighing devices, i.e. for weighing with scales. They are calibrated in grams (g) kilograms (kg) or tons (t), not in newtons (N) like the force transducers. In practice, however, far more load cells are used as force transducers. Load cells are essential components in various industrial, commercial, and … [Read more...]
What Are the Accessories We Can Use with an Android Smartphone
Android smartphones have become indispensable companions in our daily lives, serving as communication tools, productivity hubs, entertainment centers, and much more. While the core functionality of these devices is impressive on its own, the world of accessories offers a plethora of options to enhance and expand their capabilities. From practical add-ons to stylish enhancements, the range of … [Read more...]
Is Raspberry Pi Suitable for Commercial Mass Production (Such As Music Player)
Raspberry Pi, the credit-card-sized single-board computer, has garnered significant attention and adoption across various industries and hobbyist communities. Its versatility, affordability, and robust community support have made it an attractive option for a wide range of projects, from DIY home automation systems to educational tools. However, when it comes to deploying Raspberry Pi in … [Read more...]
How to Automatically Sign Into a User Account on Windows 11/10
In today’s fast-paced world, efficiency is key. Whether you're managing a personal computer or overseeing a network of devices in an enterprise setting, streamlining tasks can significantly boost productivity. One such task is the process of signing into a user account on Windows 10. While security is paramount, there are scenarios where automatically signing into a user account can save time and … [Read more...]
What’s the Difference Between Samsung and other Android Phones?
In the realm of Android smartphones, Samsung stands as a behemoth, commanding a significant portion of the market share. However, while many other manufacturers also produce Android devices, there are distinct differences between Samsung phones and their counterparts. In this article, we'll delve into the nuances that set Samsung apart from other Android phones, exploring aspects such as design, … [Read more...]