Faces Calculator3 is a calculator input panel designed for the Faces Bottom series. It adopts a 4 x 5 key layout that covers common digits, operators, and function keys, making it suitable for building interactive terminals with local calculation capabilities. The panel communicates with the host via I2C, providing interaction capabilities such as numeric entry, simple arithmetic operations, and calculation result display.
Features
Built-in STM32 main controller: STM32G031G8U6
I2C communication interface
Calculator key layout
Includes
1x Faces Calculator3
Applications
Numeric input and arithmetic interaction scenarios
Local calculation and parameter entry scenarios
Teaching demonstrations and prototype verification projects
