Industrial USB TO 4Ch RS485 Converter, Multi Protection Circuits high precision All equipment for 5 v

All equipment for 5 v appliances within 25 w as MP3

tag identification

please adjust the firmware or adjust the motor wiring if you want to change A4988

I2C signal output

Clock Chip: DS3231

Industrial USB TO 4Ch RS485 Converter, Multi Protection Circuits high precision All equipment for 5 vIndustrial USB TO 4CH RS485Communication Module Stable Transmission Multi Devices Multi Systems Features Extending USB to 4CH RS485, allows concurrent and independent communication for each channel 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,