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Ftdi Isolated Usb To Uart Ttl, Usb To Serial Port Ttl 5v3.3v2.5v1.8v Optically Isolated Magnetic Isolation Adapter - Pc Hardware Cables & Adapters - AliExpress
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Optically Isolated USB to Serial Port 5V3.3V2.5V1.8V Optically Isolated USB to TTL Serial Port CH340 UART
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