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The device built in regulator for touch sensor
3V – 5V compatible Heat Dissipation Moderate (Built-in Heat Sink) Low (Needs external cooling for high load) High (Integrated powerful MOSFETs with heat sink) Motor Type Supported DC Motors
NC: normally closed relay interface Working voltage 12V High / Low-level changeable Fault-tolerant design
Using the Reed Switch sensor module with a microcontroller is very easy
13.56 MHz RFID Reader-Writer Kits Compatible With Arduino The device built in regulator13. 56 MHz RFID Reader Writer This is 13. 56 MHz RFID Tag. The RFID technology is used for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications. Designed to work on the industry standard carrier frequency of 13. 56 MHz Sensitivity Range is about 6cm from the antenna. Also check 13. 56MHz USB RFID Reader Writer with Card & Keychain from us (Robocraze). It operates at a baud rate