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Bluetooth Shield PCBA x1
0 Waterproof Ultrasonic Ranging Module is the upgrade makers and engineers choose when the standard HC-SR04 isn't enough
0 host port
It includes all the necessary modules: 5V Inverter
CE Certificate
NFC RFID Card Tags 13.56MHz - 10pcs Mifare Classic 1K esp-01s Bluetooth Shield PCBA x1NFC Card Tag 13. 56MHz 10PCS This cheap yet efficient RFID card could be the answer to your access controls. You may use this RFID card for any RFID reader that has a frequency of 13. 56mHz, namely MFRC522, PN532 and other varieties of RFID reader. This card has 8kb of memory. Describing NFC card Tag. Although NFC, or near field communication, is a wireless technology as well, it only permits proximity connection between compatible devices. NFC
US$ 34.95
US$ 24.95
US$ 21.95
US$ 21.95
