Definition of Pins
Introduction of Major Components Audio Jack Headphone is controlled by P0 port. Plug in your headphone, the buzzer will disconnect automatically.
Buzzer The buzzer is controlled by P0 port. Plug in your headphone, the buzzer will disconnect automatically.
16 Channel Standard GVS Port This is a standard GVS interface with 16 channels. It can extend 3V electric brick module.
I2C Port This is a group of I2C female header, which can connect with OLED module directly. This is a group of I2C male header.
