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Amazon.com: Serial Expansion HAT I2C Interface 2-ch Extra UART Plus 8 programmable GPIOs for Raspberry Pi Zero W WH 2B/3B/3B+/4B @XYGStudy : Electronics
Amazon.com: Waveshare 4G/3G/GNSS HAT for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+ Jetson Nano Based on SIM7600A-H LTE CAT4 up to 150Mbps Support Phone Call Wireless Communication : Electronics
Amazon.com: Waveshare 4 Port USB HUB HAT, Compatible with Raspberry Pi Zero/ Zero 2W / Zero W/Zero WH, USB to UART Onboard : Electronics
Amazon.com: Waveshare Serial Expansion HAT for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+ via I2C Interface 2-ch UART 8 GPIOs : Electronics
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Amazon.com: waveshare PN532 NFC HAT for Raspberry Pi 4B/3B+/3B/2B/Raspberry Pi Zero/Zero W/WH/Raspberry Pi Zero 2W/ Zero 2WH and Other Boards, I2C / SPI/UART Interface, Supports Various NFC/RFID Cards : Electronics
Amazon.com: Waveshare Serial Expansion HAT for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+ via I2C Interface 2-ch UART 8 GPIOs : Electronics
Amazon.com: UPS HAT (C) for Raspberry Pi Zero Boards, Provides 5V Uninterruptible Stable Power, with Pogo Pin Connector : Electronics
Amazon.com: waveshare Industrial 6-CH Relay Module for Raspberry Pi Zero/ Zero W/Zero WH, RS485/CAN Half-Duplex Communication UART Control, Auto RX/TX Switch,MCP2515 + SN65HVD230 Solution SPI Control : Electronics
Amazon.com: Serial Expansion HAT I2C Interface 2-ch Extra UART Plus 8 programmable GPIOs for Raspberry Pi Zero W WH 2B/3B/3B+/4B @XYGStudy : Electronics
Amazon.com: XICOOLEE Serial Expansion Module I2C Interface for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B,Adopts SC16IS752 Chip 8-bit I/O Expander 2-Channel UART 8 GPIOs Expansion,Slide Switch : Electronics
Amazon.com: USB to UART Onboard 4 Port USB HUB HAT for Raspberry Pi Zero/ Zero W WH@XYGStudy : Electronics
Amazon.com: Isolated RS485 RS232 Expansion HAT Board for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero 2 W/Zero 2 WH,Adopt SC16IS752 UART Expansion Chip,SPI to RS485 and RS232 Up to 921600bps Data Rate : Electronics
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Amazon.com: XICOOLEE Serial Expansion Module I2C Interface for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B,Adopts SC16IS752 Chip 8-bit I/O Expander 2-Channel UART 8 GPIOs Expansion,Slide Switch : Electronics
Serial Expansion HAT I2C Interface 2-ch Extra UART Plus 8 programmable GPIOs for Raspberry Pi Zero W WH 2B/3B/3B+/4B @XYGStudy : Electronics - Amazon.com
Amazon.com: XICOOLEE Serial Expansion Module I2C Interface for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B,Adopts SC16IS752 Chip 8-bit I/O Expander 2-Channel UART 8 GPIOs Expansion,Slide Switch : Electronics
Amazon.com: DB9M RS485 Serial Hat Port Expansion PCB Board for Raspberry Pi A+/ B+/ 2/3/ 4 /Zero/ZeroW, UART Port to Male DB9M RS485 Socket, Compact GPIO TX/RX/GND Solder Points : Electronics
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Waveshare Serial Expansion HAT for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+ via I2C Interface 2-ch UART 8 GPIOs : Electronics - Amazon.com
