Feature

●COMPOSITE SYSTEM: SC16S752, SP3485, and SP3232 composite methods can extend one RS485 and one RS232 via SP interface
●Onboard Resettable Fuse: Onboard resettable fuse and protective diodes ensure stable output of RS485 current and voltage, prevent overcurrent and overvoltage and improve impact resistance
●The expansion board is based on the RPi40PINGPIO interface for the RPi series motherboard
●Onboard TVS: Onboard TVS) Transient Voltage Suppression Tubing can effectively suppress surge voltage and transient peking voltage in the circuit, provide lightning protection and anti-static
●SP control interface: Spare SP control interface convenient for main control board

Description