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2-Channel(2-CH) Isolated RS232 Expansion HAT for Raspberry Pi, SC16IS752+SP3232 Solution Converts SPI to RS232 with Multi Onboard Protection Circuits Data Rate up to 921600bps : Buy Online at Best Price in KSA -
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Waveshare Power Over Ethernet HAT for Raspberry Pi 3B+/4B, 802.3af-Compliant with OLED for real-time Monitoring Temperature, IP, and Fan Status : Amazon.it: Informatica
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