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Playing popular songs with Arduino and a buzzer

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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.

How to use the L298N motor driver module

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  • 8 mins read
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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 use the NRF24L01 module with Arduino

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Having two or more Arduino boards be able to communicate with each other wirelessly over a distance opens lots of possibilities like remotely monitoring sensor data, controlling robots, home automation and the list goes on. A good, reliable and inexpensive solution is NRF24L01.

The NRF24L01+ is a newer version of the NRF24L01, capable of doing an extra 250kbps of on-air data rate while the one without “+” has only 1Mbps and 2Mbps. Both versions can be mixed together as long as 1 or 2 MBps is being used as the data rate.

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Play Christmas melody with Arduino and a buzzer

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  • 5 mins read
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Christmas melody is a heartwarming musical composition that captures the festive spirit of Christmas. With its enchanting blend of traditional holiday tunes and modern arrangements, this melody serves as a musical journey through the joy and warmth of the season.

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.

How to control mini water pump with Arduino

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  • 7 mins read
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The advent of Arduino microcontrollers has revolutionized the world of electronics and automation. With their user-friendly interface and vast array of modules and sensors, Arduino boards have become the go-to choice for hobbyists and professionals alike. In this article, we will explore the significance of a 5V water pump module, the importance of using transistors, and how to effectively connect the two to create an efficient water control system.

How to use potentiometer with Arduino

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  • 4 mins read
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A potentiometer is a simple knob that provides a variable resistance, which we can read into the Arduino board as an analog value. They can be attuned from zero ohms to whatever maximum resistance that is specific to it. For example, a potentiometer of 10 kΩ can be adjusted from 0 Ω to its maximum of 10 kΩ.

Using push buttons with Arduino

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Today we are going to speak about push buttons, the wiring and how to implement the code for this circuit elements in Arduino. Push buttons connect two points in a circuit when you press them. That means that logic state of the circuit change when you press and keep pressed the button.

How to use an analog module with Arduino

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The KY-023 is an easy-to-use analog joystick. The joystick uses a biaxial potentiometer to control the X and Y axis. It also has an integrated push button. In this tutorial, it is shown how to connect the KY-023 joystick with the Arduino and how to use it.

How to use tricolor LED module with Arduino

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The KY-016 is capable of producing wide range of different colors by mixing blue, green and red lights. The RGB LED module will not require any limiting resistors. Those resistors are already integrated in the circuit, and so 5V can be directly used as power input.

Getting started with Arduino Mega

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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).