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Overview In this tutorial, you’ll learn about RFID technology and you’ll see how to use RC522 RFID module with Arduino. Practical examples are also provided to help you learn to work with the RFID module. What You Will Learn What the RFID is and how it works. How to use RC522 RFID module RC522 Module Features & Pinout Radio Frequency Identification or RFID is a wireless data transfer syste...

Introduction The BIOS, or Basic Input/Output System, is a firmware that controls the boot process and the hardware settings of your computer. Sometimes, you may need to update or repair the BIOS to fix some issues or improve the performance of your computer. However, flashing the BIOS can be risky, as it may cause your computer to become unbootable or unstable if something goes wrong. One of the tools that you can use to flash the BIOS safely and easily is the CH341A programmer, which is a cheap and ve...

ULN2003 Stepper Motor Driver Features We usually use stepper motors when we need precise control of the motor shaft. These motors can be used in robot arm, 3D printers, CNC machines, etc. 28BJY-48 is a kind of stepper motor. In full step mode, these motors have a 1 to 64 speed reduction gearbox and eachfull 360 degree rotation consists of 32 steps. The ULN2003 driver is commonly used to control these motors. ULN2003 IC consists of 7 pairs of Darlington transistors, each pair can withstand 500mA and 50V. Th...

TMC2100 Stepper Motor Driver Features The TMC2100 driver is one of the most popular stepper motor drivers available on the market. It works similar to the DRV8825 and A4988 drivers.This module is intended to drive a bipolar stepper motor. Only by using two pins, the rotation direction and rotation steps can be controlled. Each signal sent by the spin step pin, the motor shifts one step. The key features are:This driver has 200 steps per revolution in full step (1.8 degrees per step).Allowable continuou...

DRV8825 Stepper Motor Driver Features The DRV8825 module is used to drive a bipolar stepper motor. Only by two pins, you can control the rotation direction and rotation steps of the motor. By each signal sent by the spin step pin, the motor shifts one step. The key features are:This driver has 200 steps per revolution in full step (1.8 degrees per step).Allowable continuous current per phase without cooling: 1.5AMaximum current per 24V for each phase: 2.5AMotor voltage: 8.2 to 45VThe minimum allowed ...

28BYJ-48 Stepper Motor Features We usually use stepper motors when we need precise control of the motor shaft. These motors can be used in robot arms, 3D printers, CNC machines, etc. Stepper motors convert electrical pulses into discrete mechanical movement. The resolution and rotation speed of the motor shaft depend directly on the frequency of the input pulses. One of the most important advantages is that they can control precisely in an open loop system.28BYJ-48 Stepper motor is one of these motors....