The design of hardware is based on LPC2104 ARM controller,with the interface added between keyboard and LCD display and connected bar code scanner.

 
  • 硬件上該設計基于A(yíng)RM7的LPC2104微控制器,擴展了鍵盤(pán)和液晶顯示作為人機界面,并通過(guò)串口連接標準的條形碼掃描器;
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