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Raspberry Pi 4 Model B GPIO Expansion Board io Board for 2B/3B+/4B
4.2inch-NFC-Powered-e-Paper
4.2inch Passive NFC Powered e Paper
Finger Vein Scanner Module (B)
Finger Vein Scanner Module (B) Cortex M4F UART serial port EAL4+ security certification qualification
RS485-CAN-for-Jetson-Nano
Jetson Nano RS485 CAN Expansion Board Built in various protection circuits
UART Fingerprint Sensor (F)
Integrated capacitive fingerprint module Cortex core UART serial port High-precision fingerprint recognition