Wristband MIFARE 13.56 MHz 1K ( 23CM) heartrate This is the 30 pin

This is the 30 pin version

Waterproofing No

A stepper motor is an electromechanical device which converts electrical pulses into discrete mechanical movements

This is a heavy-duty metal base soldering iron stand with a reinforced spring holder

It doesn't do any decoding of the signal

Wristband MIFARE 13.56 MHz 1K ( 23CM) heartrate This is the 30 pinNFC NTAG215 silicone bracelet wristband is suited for NFC access control applications such as conferences, sports club, member management, payment tracking and also waterproof applications. It is 13. 56 MHZ frequency NFC , lightweight and waterproof. Chip: MIFARE 13. 56 MHz 1K . Frequency: 13. 56 MHz (High Frequency) Reading time: 1 2 ms Storage capacity: 144 bytes Reading distance: 20 mm size : 23 cm big size Lockable color BLACK Applications OF NFC