Eight independent channels with automatic direction sensing provide reliable, bidirectional data transfer without manual configuration. Broad compatibility Ideal for microcontroller communication, sensors to mainboard connections, I2C/SPI protocol integration, and Bluetoothcompatible/WiFi module connectivity. Compact and practical design Compact PCB design for easy integration into electronic projects while saving space. Supports stable and accurate signal transmission in compact form factor. Who this is for Electronics engineers, embedded systems developers, students, educational institutions, and enthusiasts seeking a reliable conversion solution. Key attributes highlighted Function: multichannel signal conversion with automatic direction sensing. Compatibility: supports I2C and SPI protocols, Bluetoothcompatible/WiFi module connectivity, and general microcontrollertosensor/mainboard interfaces. Size: compact PCB design suitable for spaceconstrained projects. Performance: designed to provide stable, accurate signal transmission across channels without manual configuration. Use scenarios Scenario 1: A microcontroller communicates with multiple sensors and peripheral devices across different voltage levels, using eight channels to simplify wiring and improve reliability. Scenario 2: An embedded project expands its I2C or SPI interfaces to connect additional modules or sensors, leveraging automatic direction sensing to minimize setup. Scenario 3: A project integrates a Bluetoothcompatible or WiFi module with a control MCU, ensuring consistent data transfer and reducing configuration overhead.