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Amazon.com: BFab USB HUB HAT (B) for Raspberry Pi 4B/3B+/3A+/2B/Zero/Zero W/Zero WH,with 4X USB 2.0 Ports patible with USB 2.0 / 1.1 : Electronics
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Amazon.com: Raspberry Pi Expansion Board 8-Channel Relays Loads up to 5A 250V AC or 5A 30V DC for Pi A+/B+/2B/3B/3B+/4B SPDT-NO,NC Contact Form 6mA per Channel Supports Jetson Nano : Electronics
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Amazon.com: Raspberry Pi GSM/GPRS/GNSS Bluetooth HAT Expansion Board GPS Module SIM868 Compatible with Raspberry Pi 2B 3B 3B+ 4B Zero Zero W Support Make a Call,Send Messagess,Data Transfer : Electronics
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