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GPS Module Neo-6m Ublox With Micro USB Interface
GT08D 4G OBD GPS tracker locator car location tracker anti-theft tracking
Android IOS HM-10 BLE Bluetooth 4.0 with logic level
SX1278 LoRa 433M 10KM Ra-02 Wireless module Spread Spectrum Transmission Socket
RFID Tag card 125kHz MFRC NFC MiFare tag
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stethoscope school experimental science kit doctor STEM DIY
Ultrasonic HC-SR04 Mount Holder ping sensor bracket
WS2812 RGB LED Breakout board module