A 4x4 matrix keypad is a small input device with 16 buttons arranged in a 4-row by 4-column grid. It’s commonly used in embedded systems, Arduino projects, and access control systems like PIN pads.

Upgrade your robot’s mobility with this high-performance Omnidirectional Wheel, specially designed for precision movement in all directions. Whether you're building a mobile robot, AGV, or academic prototype, this wheel allows for smooth, multidirectional control – forward, backward, sideways, and rotational – without changing the wheel's orientation.

Perfect your robotics and automation builds with this 5-Way Analog IR Tracking Sensor Module, designed specifically for line following and edge detection applications. With five precisely arranged IR sensors and analog output, this module offers enhanced accuracy and control for DIY robots, smart cars, and more.

5v two-channel relay module

Jumper wires are simple, flexible electrical wires used to make connections between components on a breadboard, Arduino, Raspberry Pi, or any DIY electronics setup — without soldering.