M5Stack Keyboard Programmable Unit V1.1 (MEGA8A)

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Introduction

CardKB v1.1 is a card-size '50 key' QWERTY keyboard. Adpots ATMega8A as the MCU, communication port I2C, and one 'RGB-LED' indicator.

Features

  • Full-function keyboard, multi-key combination

  • GROVE interface, support UIFlow and Arduino

  • Two Lego compatible holes

Specifications

ResourcesParameter

MCU

ATMega8A

Number of keys

50

RGB LED

1 piece

Communication method

I2C

Net weight

17g

Gross weight

18g

Pinout

ATMega8A ISPDownload interface Pin foot definition

M5Core(GROVE A)GPIO22GPIO215VGND

CardKB

SCL

SDA

5V

GND

Dimensions

Product Size88*54*5mm

Package Size

136*92*5mm

How to Use

Arduino

To get the code, please click here

UIFlow

Feature Introduction

Enter information via the keyboard

  • Get key Return ASIIC value

  • Get string Return character

  • Get pressed Detect button, press to return true

Usage

To get the complete code, please click here

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