1Set MFRC-522 RFID IC Card Inductive Sensor Module S50 NFC Card Keyring Arduino. 5Sets JST XH2.54 XH 2.54mm Wire Cable Connector 2/3/4/5/6/7/8/9/10 Pin Pitch. Transceiver Module HC-06 RS232 With backplane Wireless Serial 4 Pin Bluetooth. New Photoelectric switch reflector TD-09 FOR Omron E39-R1 E39R1 6 cm x 4 cm.