This document is a user manual for GY760x RS232-I2C Adapter produced by Wuhan Jiyangyuan Solar Technology Co., Ltd. The document includes information about the performance, technical specifications, typical applications, communication protocol conversion, sales list, and technical support and services of the product.
The GY760x series provides RS232‑to‑I2C conversion with 1‑8 independent I2C channels, supporting standard I2C master mode and SMBus compatibility. It is powered from a +5 V supply and offers both Easy I2C and Timing I2C operation modes for simple or precise bus control.
The document includes electrical characteristics, connector definitions, baud‑rate configuration, a full list of serial commands, examples of using the VCI_GYI2C library for custom software development, troubleshooting tips, and application diagrams for connecting PCs or embedded controllers. This manual is written in Chinese.