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  • Lecture 14: Introduction to the remote upload and export of historical data records to CSV format
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  • Duration:6 minutes and 52 seconds
  • Date:2020/02/27
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Introduction

Haiwell IoT Cloud HMI Quick Start Video Tutorial


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The P1 port of 89C51 is connected to a common anode digital tube, and the debounce switch is used to generate an interrupt request signal. Each time the switch is toggled back and forth, an interrupt is generated, and the digital tube is used to display the number of interrupts (no more than 15 times)
,#0FFH,AL1 MOV P0,#0 CLR EA SJMP $ INT1: INC R0 MOV A,R0 MOV DPTR,#TAB MOVC A,@A+DPTR POP DPH POP DPL MOV DPTR,#AL1 PUSH DPL PUSH DPH RETI TAB: DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H DB 80H,90H,88H,8
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