Faces Calculator3

SKU:A005-V3

Description

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.

Tutorial

Arduino IDE

This tutorial will show you how to program and control the Faces Calculator3 device with the Arduino IDE.

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

Specifications

Specification	Parameter
MCU	STM32G031G8U6
Communication Interface	I2C communication @ 0x08
Key Layout	4 x 5 calculator keypad
Number of Keys	20 keys
Standby Power (Panel Only)	3.3V@1.79mA
Product Size	57.0 x 54.1 x 10.6mm
Product Weight	20.7g
Package Size	56.0 x 59.0 x 19.0mm
Gross Weight	25.5g