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RC522 - RFID Reader / Writer 13.56MHz with Cards Kit includes a 13.56MHz RF reader cum writer module that uses an RC522 IC and two S50 RFID cards. The MF RC522 is a highly integrated transmission module for contact-less communication at 13.56 MHz. RC522 supports ISO 14443A/MIFARE mode. RC522 - RFI..

Reed Switch Module (KY-025) is a small electrical switch operated by an applied magnetic field, commonly used as proximity sensor. The module has both digital and analog outputs. A trimmer is used to calibrate the sensitivity of the sensor. The switch is normally open and the output of the switch is..

This 4 Channel 5V 10A Relay Module can be used across a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on can control it. The module can control various appliances and other types of equipment with large current requirement. Relay output maximum contact is AC250V 10A or DC30V 1..

This is a 5V single channel relay without optocoupler. The relay is normally open with maximum loads: AC 250V/10A, DC 30V/10A. It has a trigger current of 5mA, and working voltage of DC 5V. The channel of the module can be triggered by a jumper to set a high level or a low level. This is a Fault-tol..

RGB 3 Color LED Module - KY-016 is a full color 5mm RGB LED module, different colors can be obtained by mixing the three primary colors. Each of the RGB pins can be individually connected to a microcontroller GPIO pin. Note that you do not need to use limiting resistors since they are already inclu..

This is a Robot Control Shield for Arduino Mega 2560 R3. The shield has PWM output pins + encoder input pins to control 2 motors with encoders and 6 PWM interface to control upto 6 servos. Designed for Arduino Mega 2560, the pins slide into the arduino and is as easy as plug and play. Specificatio..

Robot Plastic Wheel with Rubber Tire (70 x 7mm) - Red..

Robot Rubber Wheel (65x26.5mm) - Blue - Hex Slot..

Robot Rubber Wheel (85 x 38mm) - Blue - Hex Slot..

This is an extremely precise breadboard friendly 360 Degree Rotary Encoder module that indicates how much the knob has been rotated and in what direction it is rotating. It is an incremental electro-mechanical device that converts angular position or motion of a shaft or axle to digital code. The ou..