Waveshare Industrial USB to RS485 Bidirectional Converter Onboard Original CH343G and SP485EEN Chips, ESD and TVS Protection Circuits, Supports Mac/Linux/Android/WinCE/Win11/10/8.1/8/7/XP Systems

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Provide online user manual, please check the manual carefully before using!
Support USB to RS485 bidirectional conversion. Fast communication, stable and reliable, better compatibility
Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic
Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance
3 LEDs for indicating the power and transceiver status