Matrix Keypad - Pcb 4x4 Matrix 8-pin Connector, 16 Keys, Digital Interface, Compact Durable Design

Relay Board - 12V Single Channel Relay with Isolated High Voltage Control | Compatible with Arduino, Raspberry Pi, TTL Logic for AC/DC Appliance Management

Raspberry Pi Microcontroller Board - Compact Design, Versatile Open-Source OS Support | Perfect for Linux Programming, Image Processing, and Educational Projects

Vibration Sensor - Omni-Directional High Sensitivity Detector | Real-Time Alarm Signal for Movement Recognition

GPS Antenna - Durable Design, High Performance , Precision Engineering

Fire Sensor - LM393 Voltage Comparator with Adjustable Sensitivity | Infrared Sensing Probe, High Signal Output, Dual Voltage Support

Touch Screen - 4-Wire Analog Design for LCD Integration | Achieves Full X and Y Positioning with 4 GPIOs

Matrix Keypad - PCB 4x4 Matrix 8-Pin Connector, 16 Keys, Digital Interface, Compact Durable Design

IR LED Receiver Photo Diode - Silicon 5mm, 940nm Wavelength | High Sensitivity, Fast Response, Durable

Hex Keypad - PCB Plastic, 4x1 Keys, 5 Pin Male Connector | Tact Switch, Easy Interface, Compact Design

RF Decoder - Green 4-Bit, 8-Bit Address Selector | Wireless Data, Long Range, HT12E IC, Header Pin Interface