Mini PIR Motion Detection Sensor (HC-SR505) MAX485 TTL To RS485 Converter Module 56 MHz RFID read and

56 MHz RFID read and write module with the same pin assignment such as  RC522 RFID and the same capabilities but with smaller size (almost half size)

The module itself is powered from 3-5V

This Amplifier allows the user to achieve high-quality audio reproduction from a stereo input

Indicator : LED

FTDI Board (Switchable 3

Mini PIR Motion Detection Sensor (HC-SR505) MAX485 TTL To RS485 Converter Module 56 MHz RFID read andIntroduction : HC SR505 Mini PIR Motion Sensor is based on infrared technology and it can automatic control by itself with high sensitivity and high reliability. Because of the minimum size and low power operation mode, it widely used in various of automatic electronic equipment, especially battery powered automatic products. Features Automatic Control Minimum size Repeatable Trigger Wide range of operating voltage Low power Output high signal