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Setting up MySQL and Redis with Docker Compose

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  • 6 mins read
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Docker has transformed the way developers deploy applications, offering an efficient method to package and distribute software. One common use case involves setting up a MySQL database alongside a Redis service. MySQL serves as a reliable relational database management system, while Redis acts as a high-performance in-memory key-value store. With Docker and Docker Compose, you can get both of these services up and connected in just a few steps. This article will guide you through creating a Docker environment that includes MySQL and Redis, giving you a smooth and reliable setup.

Engineering management for team success

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The transition to an Engineering Manager role often presents new challenges that can be both rewarding and daunting. Many engineers stepping into this position might feel confident due to their experience, as they have already been involved in various aspects of management, such as stakeholder engagement and leading teams to deliver user value.

Getting started with RF-Nano and wireless communication

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  • 9 mins read
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The RF-Nano module is a compact, affordable module that combines an NRF24L01 wireless transceiver with an Arduino-compatible microcontroller. Using the NRF24L01 protocol, the RF-Nano operates on the 2.4 GHz band, making it a practical choice for creating simple, low-power wireless networks. This module is popular among hobbyists and engineers for tasks like home automation, remote control applications, and IoT sensor networks. It’s especially suited for applications where simple, secure data sharing between sensors or remote control devices is required and where a compact, low-cost solution is preferred.

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One-On-One meetings in software development

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One-on-one meetings serve as an essential communication tool between engineering managers and their team members. Unlike group meetings, these personalized sessions allow for deeper, more focused conversations about performance, goals, and challenges. As a result, they play a key role in nurturing employee growth, increasing productivity, and maintaining team morale. In the high-pressure environment of software development, regular one-on-ones can provide much-needed guidance, reduce conflicts, and ensure that the team remains aligned with company objectives.

Servo controlled pan and tilt platform

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  • 9 mins read
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A pan-tilt platform is a mechanism used to move a camera, sensor, or other devices in two axes: horizontal (pan) and vertical (tilt). These platforms are often powered by servo motors, which allow for precise control over movement. They're popular in robotics, camera stabilization, and security systems. With an Arduino Nano, everyone can experiment with controlling these movements and integrate them into larger projects.

Creating a custom maintenance page in Laravel

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  • 5 mins read
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In Laravel, maintenance mode is a convenient feature that allows developers to display a custom message to visitors while the application is undergoing updates or fixes. It prevents users from encountering unfinished or broken features, giving you the opportunity to make changes without affecting the live experience. By default, Laravel provides a basic maintenance page, but if you want to create a more personalized version, you can easily do so. A well-designed custom page helps to keep users informed and reassured during maintenance.

Assembling the lunar rover kit

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Building a robot might sound complicated but the lunar rover kit makes it simple and fun. This small, handcrafted robot is powered by two solar panels and two AA batteries, giving you a blend of renewable and traditional energy options. The wooden base and four-wheel design provide a strong base for this engaging DIY project.

MongoDB aggregation pipelines explained

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MongoDB’s aggregation framework is a robust tool for processing and analyzing data directly within the database. Instead of retrieving data to manipulate it in your application code, you can run complex queries and transformations on the server side. The core of this framework is the aggregation pipeline, which allows you to chain together various stages to perform tasks like filtering, grouping, sorting, and reshaping your data.

Understanding PISO Shift Registers

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  • 7 mins read
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Shift registers are integral components in digital electronics, enabling efficient data management and transfer. As your Arduino projects evolve, you might face the challenge of needing to read multiple inputs simultaneously. PISO (Parallel-In, Serial-Out) shift registers provide an elegant solution to this problem. These devices enable you to read several inputs while using only a few pins on your Arduino, making them essential for projects that require a large number of buttons, switches, or sensors. This article explores why shift registers are necessary, how they function, and their practical applications with Arduino.

Boosting team productivity with the SPACE framework

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If you're a technical leader, you know the importance of measuring and optimizing your team's performance. The SPACE framework is a valuable tool designed to help you assess and enhance your software delivery processes. This article will walk you through what the SPACE framework is and how it can benefit your team.



Playing popular songs with Arduino and a buzzer

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HiBit

Yung Kai - Blue has been added.

Enjoy!

Playing popular songs with Arduino and a buzzer

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First day out has been added.

Enjoy!

Playing popular songs with Arduino and a buzzer

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Vanilla Ice - Ice ice baby has been added.

Enjoy!

Getting real-time position using MPU9250

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HiBit

We used an existing library for this. You can see how it was implemented in the code snippet above.

It is also accessible in our GitHub repository.

Reading MPU9250 sensors with Arduino

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The article Getting Real-Time Position Using MPU9250 explains how to calculate real-time position using sensor data.

Complementary filter and relative orientation with MPU9250

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HiBit

You can learn how we calculate pitch and roll using a complementary filter in this project; the file is available on GitHub.

Playing popular songs with Arduino and a buzzer

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Assassin's Creed 2 - Ezio's Family has been added!

Enjoy!

Playing popular songs with Arduino and a buzzer

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Livin' on a prayer has been added.

Enjoy!

Playing popular songs with Arduino and a buzzer

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Crystal Castles Kerosene has been added.

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How to use the NRF24L01 module with Arduino

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The D10 pin has a specific function; it must be set as an output for the Arduino to operate as the master in an SPI communication protocol. In the provided wiring and code, the pin is already functioning as an output.

How to use the NRF24L01 module with Arduino

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HiBit

I suggest verifying the wiring to confirm that all components are correctly connected, followed by re-uploading the code. The examples provided in the post have been tested and are operational. Please consider that there might be a physical problem, such as a damaged or defective module.

Playing popular songs with Arduino and a buzzer

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Coldplay - Hymn for the weekend has been added.

Enjoy!

Playing popular songs with Arduino and a buzzer

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Was wollen wir trinken has been added.

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Playing popular songs with Arduino and a buzzer

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HiBit

The board has built-in memory. If additional memory is needed, an alternative board can be used.

Playing popular songs with Arduino and a buzzer

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HiBit

The Doom melody requires more memory than others, so make sure your board can handle that amount. If not, you will usually encounter an error during compilation.

As a workaround, you can try removing some of the notes (along with their respective durations) to fit the melody on the board.

Playing popular songs with Arduino and a buzzer

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We couldn't find notes for that song that will sound good with a buzzer.

Playing popular songs with Arduino and a buzzer

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Right Here Waiting has been added.

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Playing popular songs with Arduino and a buzzer

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Never Gonna Give You Up has been added.


Enjoy!

Playing popular songs with Arduino and a buzzer

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We just added End of Beginning by Djo.

Enjoy!

Playing popular songs with Arduino and a buzzer

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It's you song by Max feat Keshi has been added.

Happy anniversary!


HiBit community member since December 2020