Buzzer is used to generate sound, beep or even melody of a song. It can be found in alarm devices, computers, timers and confirmation of user input such as a mouse click or keystroke. A piezo buzzer is not like a regular speaker that you might think of. It uses a material that actually changes shape when you apply electricity to it which in turn creates noise. The faster you bend the material, the higher the pitch of the noise that is produced.
Trending Now
How to use the L298N motor driver module
The L298N Motor Driver is a controller that uses an H-Bridge to easily control motors direction and PWM to control the speed. This module allows you to independently manage two motors of up to 2A each in both directions. Supply range may vary between 5V and 35V, enough for most DC motor projects.
How to setup Nginx server blocks (virtual hosts)
Nginx logically divides the configurations in order to serve different content into blocks. A server block is a subset of Nginx’s configuration that defines a virtual server used to handle requests of a defined type. Administrators often configure multiple server blocks and decide which block should handle which connection based on the requested domain name, port and IP address.
Premium articles
Tag-based cache inside Laravel repositories
Working with cache can drastically improve the performance of an application, especially when dealing with data that doesn't change too often. While Laravel provides solid support for caching through multiple drivers, it doesn't offer native support for cache tags. To work around this limitation, we'll integrate Symfony's Cache component, which brings tag support and fits well into the repository pattern we've already established. In this article, we'll build on the existing structure and focus on using cache tags to group and clear related data more efficiently.
ESP8266 Firmware update
The ESP8266 is a popular Wi-Fi module used in many IoT projects. Keeping its firmware up-to-date ensures you have the latest features, security patches, and bug fixes. Updating the firmware might seem difficult, but it's quite straightforward once you understand the steps involved. In this article, we'll explore how to update the firmware of the ESP8266 module, a crucial task for maintaining optimal performance and security. This update process can be carried out either locally, using a USB connection, or remotely via cloud. We'll examine both methods to provide a comprehensive understanding of how to keep your ESP8266 up-to-date with the latest firmware version.
Boost social media engagement with Open Graph meta tags
In the bustling world of social media, where every click and share matters, businesses and content creators strive to maximize their online presence. In the array of strategies, a frequently underestimated yet potent tool is the incorporation of Open Graph meta tags. These HTML tags serve as the backbone for enhancing how content appears when shared on platforms like Facebook and Twitter, providing a visual and informational boost that can significantly impact engagement.
Recent articles
Getting started with Arduino Due
Arduino is an open-source electronics platform based on easy-to-use hardware and software. Arduino boards are able to read inputs - light on a sensor, a finger on a button, or a Twitter message - and turn it into an output - activating a motor, turning on an LED, publishing something online. You can tell your board what to do by sending a set of instructions to the microcontroller on the board. To do so you use the Arduino programming language and the Arduino Software (IDE).
Forex VPS India Comparison: Performance Limits Exposed
Most Forex VPS comparison pages in India are comparable. They list RAM, storage, Windows versions, and monthly pricing. Some throw in words like "low latency" and "SSD powered" and call it a day.
What they infrequently speak about is how these servers behave when the market actually moves. Forex trading is not a background workload. It is a simple implementation process. Orders are placed, modified, and closed within narrow timing windows. When infrastructure starts to lag, it does not announce itself; it simply alters the execution quality. And that is where most providers quietly reach their limits.
Five simple psychology laws
Psychology laws often survive because they sound obvious only after you hear them. They describe habits of thinking that repeat again and again in everyday life. These ideas are not academic rules. They are practical observations that help explain mistakes, delays, confusion, and bad decisions.