> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/bpi-g1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bananapi.gitbook.io/bpi-g1/zh/moduleinterconnection.md).

# BPI-G1 Module interconnection

WIFI (CC3200), BLE (CC2540 / 1) and ZIGBEE (CC2530) are interconnected through STM32F103CB serial port, they can work alone, can also coordinate the work will be given below communication connections between the modules schematic。5.1 CC3200 connection with F103

![](/files/-M2HXM6RLHTPqsLNJh68)