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.
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How to use the L298N motor driver module
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HiBit
- 8 mins read
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.
Mastering the E88 Pro drone
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HiBit
- 7 mins read
The E88 Pro Drone is an exceptional flying device that combines advanced features, reliable performance, and a user-friendly design. Built with innovation in mind, this drone offers an immersive aerial experience for beginners and enthusiasts alike. Operating the E88 Pro Drone is a breeze, thanks to its intuitive controls and user-friendly interface. The drone can be easily controlled using a dedicated remote controller or a smartphone application. The remote controller offers precise maneuverability, while the smartphone app provides a comprehensive set of features and flight modes. From automated flight paths to real-time video streaming, the app enhances the drone piloting experience and unlocks advanced functionalities.
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How to Recover MySQL Database from ibdata1 File? – A Complete Guide
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Stellar
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Your MySQL database/tables can get corrupted due to certain reasons. When the database is corrupted, you may fail to open or access the tables in it. Sometimes, you encounter random corruption-based errors, like Index for table ‘.\\mysql\\user’ is corrupt or Table ‘.\\mysql\\user’ is marked as crashed and should be repaired. In such cases, you need to restore the MySQL database to regain access. In MySQL, you can restore the database tables using different recovery methods. In this article, we will explain how to restore the MySQL database using the ibdata1 file.
Engineering Management III: Objectives and key results
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HiBit
- 3 mins read
As engineering managers, one of the most powerful tools we have for guiding teams is the OKR framework. OKRs help translate big ambitions into clear, measurable work. They connect high-level objectives with concrete key results so teams know both what they are aiming for and how progress will be measured. They provide clarity, alignment, and a sense of purpose.
Engineering Management II: Outcomes and alignment
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HiBit
- 3 mins read
The more responsibility you take on, the less your job is about your own output. For engineers who step into management, this can feel unnatural. You're used to solving problems directly, writing code, and moving fast. You may even know the exact way to solve something, and it can feel frustrating to slow down long enough to explain it to someone else. But that's the shift.