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GPS Module NEO-M8N Ublox With Micro USB Interface
HC-12 SI4438/4463 wireless long range 433M serial port module UART interface
RFID NFC TAG Sticker 13.56MHz NTAG 213 Universal Lable rfid
28dB High Gain GPS Active Antenna Ceramic w/ Cable
BT-09 Bluetooth 4.0BLE Arduino Android IOS HM-10 BLE CC2541 MCU
Mifare S50 13.56MHz NFC RFID card tag Read Write
stethoscope school experimental science kit doctor STEM DIY
Ultrasonic HC-SR04 Mount Holder ping sensor bracket
WS2812 RGB LED Breakout board module