1. Port P1.0-P1.4 connect to Relay drive ULN2003
2. P1.5-P1.7 check input signal 12VDC
3. Int0 connect to temperature sensor DS1820
4. Rx Tx connect RS232 circuit
Mention to Keil C programming code work properly detail as below
Thursday, May 17, 2007
MCS-51 Temperature and computer control
Worthwhile micro-controller use AT89C2051 Hardware detail as below
1. Port P1.0-P1.4 connect to Relay drive ULN2003
2. P1.5-P1.7 check input signal 12VDC
3. Int0 connect to temperature sensor DS1820
4. Rx Tx connect RS232 circuit
Mention to Keil C programming code work properly detail as below
1. Port P1.0-P1.4 connect to Relay drive ULN2003
2. P1.5-P1.7 check input signal 12VDC
3. Int0 connect to temperature sensor DS1820
4. Rx Tx connect RS232 circuit
Mention to Keil C programming code work properly detail as below
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