1.Multi-purpose function：key input and control，1602 display，weighing，counting，calculating price，alarm clock，temperature and time display
2. Easy to build：Slot connection and without soldering circuit
3. Novel style：Adopt strong wood board, acrylic board, RGB and LCD 1602 modules.
4. High extension：preserve IIC, UART, SPI ports，and extend other sensors and modules.
5. Basic programming learning：use C language and code.
Parameters：
Input Voltage：7-12V
Working Voltage：5V
Working Current：100mA
Maximum consumption power：1.5W
Arduino software WIKI page tutorial Tutorials
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