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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...

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 ...

PWM Signal Generator Module, Stepper Motor Driver Features The signal generator module is used to generate a square pulse with adjustable frequency and duty cycle in 2 different channels. This module has 3 microswitches to adjust the pulses. It also has a micro USB input for powering the module. There are also two other pins for connecting the power supply. The two PWM outputs of this module are independent, and you can generate your desired pulses on them. Features: Operating voltage: 5 - 30V...