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Overview Sometimes in electronic projects, you need to use two or more microcontrollers in your circuit at the same time. Normally, these microcontrollers are connected to each other and keep transmitting data with one another. The transmitting of data between two or more microcontrollers can be done with several communication protocols such as SPI, UART, CAN, USB, etc. Another one which we will be covering here in this tutorial is I2C (Inter-Integrated Circuit) protocol. Using this protocol, one of the mi...

Overview Suppose you want to make a 4x4x4 LED matrix. You will need 64 digital pins to control such an LED matrix. So, it would not be affordable if you decided to choose a microcontroller which has that number of digital pins. So, what is the alternative? In such cases, the most suitable way is to use a shift register to increase the number of digital pins of your microcontroller. Increasing the number of digital pins of microcontrollers is among the most attractive and practical topics. In many applicatio...

What is ADXL375 Accelerometer Module? The ADXL375 module is an ultra-accurate 3-axis accelerometer sensor. This accelerometer can measure up to 200 g of force in three axes (X Y Z) (g: the gravity acceleration, which is around 9.8 meters per square second. In simpler words: nearby the acceleration of a spaceship rocket!!!)Other useful features: I2C and SPI interfaces for communication as well as two interrupt pins that can be configured independently.ADXL375 is an advanced version of ADXL345 and ADXL343...

Overview LEDs can uniquely control the amount of three primary colors (red, green, and blue) to create a desired color. Thanks to this feature, they are now an attractive and practical component in Electronics and Lighting industry. An RGB LED has one common pin as well as three pins for red, green, and blue colors. We can combine these primary colors to create countless colors by controlling these pins with a PWM pulse signal. (The number of colors depends on the resolution of the generated PWM signal)...

Features of VL53LXX Laser-Ranging Module The VL53L1X sensor module is a laser-ranging sensor based on Time-of-Flight (ToF). The ToF method measures the distance to the object by measuring a wave’s total travel time (between the sensor and the object). With a maximum frequency of 50Hz, the VL53L1X sensor can measure distances up to a range of 4 meters.This low-power module is controlled through the I2C interface.In this module, unlike previous generations of distance measuring modules, IR and optic fil...

Overview Power outages are one of the main problems for computers and electrical systems. Sometimes there is data and information in your system that you do not want to be deleted with a power outage. If you do not want your data and information to be lost when the power supply is disconnected, a simple way is to save your data to EEPROM memory.In some projects, such as a 3D printer, when the system is reset, the relevant data can be stored in EEPROM memory to calibrate the equipment and initialize it. ...

What is AM2301 Sensor? The AM2301 module is an internally-calibrated digital sensor that measures temperature and humidity. It can measure humidity from 0 to 99.9% with an accuracy of ±2% and temperatures from -40 to 80°C with an accuracy of ±3°C.This digital module uses a single-wire protocol for communication. So, apart from the power supply pins, it only needs one digital pin to communicate with the microcontroller. Using this protocol, we can transfer data through this line for a maximum distanc...

Introduction Are you looking to revolutionize your voltage monitoring capabilities? Discover how to interface a Voltage Measurement Module with Arduino, allowing you to accurately measure DC voltages up to 25V. Imagine having the power to monitor and control voltage levels with precision, unlocking endless possibilities for your projects. In this article, we will provide you with a comprehensive guide that covers everything you need to know about interfacing a Voltage Measurement Module with Arduin...

Introduction Are you looking to enhance your smart and security systems? Want to create projects that detect motion and automate your home? Look no further!  Introducing the HW-MS03 motion detection module, a powerful radar sensor that can revolutionize your projects. Whether you want to secure your premises, automate lighting systems, or develop cutting-edge applications, this module is your key to unlocking endless possibilities.The basic task of these sensors, as you can guess by their name, is to ...

Overview You all remember the nostalgic Snake game on old Nokia phones. Sometimes you miss these games, but you are not able to access Nokia phones to play the game. In this case, you can easily make this game for yourself and enjoy it with an Arduino board and an LCD.As you remember, the snake grew bigger and bigger with food, and the game continued until the snake hit itself. The bigger the snake, the harder it would be to continue playing and controlling it, as well as the higher your record. ...