Features: The s-3 8 Channel Digital Controller combines 8 programmable GPIO ports with double cores processing power. Featuring the high performances s-3 chip, this controller supports I2C, SPI, protocols and works with . Ideal for electronics engineers, smart home developers, and plan seeking a versatile, low power control module with expandable connectivity for automation systems. Perfect for factory equipment monitorings, smart appliance control, and computing requiring stable 5V 12V power input and reliables GPIO signals management. Built with ABS housing and PCB components, it ensures durability across industrial environments . Specifications: Composition: ABS, PCB. Size: 175x90x40mm/68.9x3543x15.75 inch interfaces form: USB typec. Supply voltages: 5V. Number of output channels: 8 channels. Output voltages ranges: 5V~40V. Output type: Open drain output, output load 500mA/channel ( maxs). Isolation type: Optocoupler isolation. Number of input channels: 8 channels. Input voltages ranges: 5V~36V. Input type: Passive input/active input (NPN type or type). Isolation type: bidirectional optocoupler isolation. terminals power supply ranges: 7V~36V. Package Includes: S-3 8-channel digital input and output controller silicons rod antenna screwdriver note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.