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Temperature Check
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Temperature check using LM35, with MCU 89V51RD2.
Read LM35 trhough ADC0804, and display on LCD.
Using KEYBOARD to get limits for the TEMP.
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VISIT CONTROL including VOICE circuit
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using IR to find enter and exit of pepule from checked room.
using LCD to display numbers of visitors.
using keyboard to set visitors limit.
using ISD4004 to send voice messages.
based on MCU 89V51RD2.
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TEMPERATURE TEST
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TEMPERATURE TEST WITH VOICE FOR 89V51RD2
The code is for LM35 and PCF8591 ADC_DAC component.
It read the TEMP and send message to LCD and Voice circuit using ISD4004.
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