Fangrui Product Details 1. Multi-channel Expansion: The Module Offers Multiple Configurable Input/output Channels, Allowing You To Expand A Single I/o Pin Into Many. 2. Digital Input/output: This Expansion Board Supports Both Digital Input And Output, Enabling You To Input External Signals Into A Microcontroller Or Output Signals From The Microcontroller To External Devices. 3. Low Power Consumption: Designed With Low Power Consumption In Mind, This Muti-channel Expansion Board Minimizes Power Usage During Operation, Making It Ideal For Applications Requiring Long-term Use And Extended Battery Life. 4. Programmable Features: The Expansion Module Is Highly Programmable, Allowing You To Set The Working Mode, Polarity, And Current Drive Capability Of Input/output Channels Through Configuration Registers. 5. High Reliability And Stability: Built With Premium Components And Reliable Circuit Design, This Expansion Module Ensures High Reliability And Stability For Your Projects. Type: Module Condition: New The Operating Voltage Of Is