Project Description

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introduce

This module called U1  is customized for extend Arduino UNO. It has Arduino spec and adding function.

 

technical specs

  • ATmega328P, 16MHz, UNO Bootloader
  • Compatible Shield
  • LCD 20×4 with SPI IC
  • Rotary Encoder
  • 2 Front Push Bottons
  • RGB LED, Power LED
  • SD card
  • EEPROM
  • RTC clock(DS3231) with battery
  • nRf24L01 Plug
  • ESP8266 Plug
  • SPI, I2C

 

open source 

Manual for Library

Example code

 

U1 with Ethernet Shield Conneted

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Site  :  http://arduiot.com/u1/