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RFID Tag card 125kHz MFRC NFC MiFare tag
HC-12 SI4438/4463 wireless long range 433M serial port module UART interface
NRF24L01 2.4GHz Antenna Wireless Transceiver Module
GT08D 4G OBD GPS tracker locator car location tracker anti-theft tracking
2.4g wifi antenna PCB patch IPEX4 generation interface laptop wireless network c
XBee Shield with Logic Level Converter ZigBee for Arduino Bluetooth Bee
WS2812 RGB LED Breakout board module
stethoscope school experimental science kit doctor STEM DIY
Ultrasonic HC-SR04 Mount Holder ping sensor bracket