单片机课程设计-温度控制系统

加按钮减按钮设置温度按钮菜单选择按钮P1.6时钟设置按钮 图8 温度设定开关

Q1PNPBUZ1报警部分BUZZER 图9 报警模块

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2.5显示模块

通过采集DS18B20的温度，同步显示到LCD1602上，精确到小数点后第一位。如下图

LCD1LM016LVSSVDDVEERSRWE123RV1POTRS4RW5EN6127384951061171281314D0D1D2D3D4D5D6D78 图10 温度显示界面

通过DS1302时钟芯片将时间同步显示到LCD1602上。如下图（时间可以设置在此没有设置）

LCD1LM016LVSSVDDVEERSRWE123RV1POTRS4RW5EN6127384951061171281314D0D1D2D3D4D5D6D78 图11 时间显示界面

通过2402记录超过设定值的温度，如下图：

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LCD1LM016LVSSVDDVEERSRWE123RV1POTRS4RW5EN6127384951061171281314D0D1D2D3D4D5D6D78 图12 记录超过设定值的温度显示界面

三、仿真后，部分显示成果

RP1RESPACK-8LCD1LM016L123456789VSSVDDVEERSRWE123C11930pFU1XTAL1X2CRYSTALC230pF18XTAL29RSTP0.0/AD0P0.1/AD1P0.2/AD2P0.3/AD3P0.4/AD4P0.5/AD5P0.6/AD6P0.7/AD7P2.0/A8P2.1/A9P2.2/A10P2.3/A11P2.4/A12P2.5/A13P2.6/A14P2.7/A15P3.0/RXDP3.1/TXDP3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P3.6/WRP3.7/RD39383736353433322122232425262728101112131415161787654321RV1POTBAT2BAT1C3C41uFR110k293031PSENALEEA1.5VRWRSEN1.5V加按钮减按钮U3810.1uF2Q1123菜单选择按钮456P1.678VCC1X1VCC2设置温度按钮P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7AT89C51576RSTSCLKI/ODS1302X23PNPBUZ1时钟设置按钮报警部分BUZZERP1.6R2J1Q2NPN12SIL-100-024.7K321U2VCCDQGNDDS18B2026.0RL1RLY-SPNORS4RW5EN6127384951061171281314X1CRYSTALD0D1D2D3D4D5D6D712345678 图（10）开始启动时，显示时间信息

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RP1RESPACK-8LCD1LM016L123456789VSSVDDVEERSRWE123C11930pFU1XTAL1X2CRYSTALC230pF18XTAL29RSTP0.0/AD0P0.1/AD1P0.2/AD2P0.3/AD3P0.4/AD4P0.5/AD5P0.6/AD6P0.7/AD7P2.0/A8P2.1/A9P2.2/A10P2.3/A11P2.4/A12P2.5/A13P2.6/A14P2.7/A15P3.0/RXDP3.1/TXDP3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P3.6/WRP3.7/RD39383736353433322122232425262728101112131415161787654321RV1POTBAT2BAT1C3C41uFR110k293031PSENALEEA1.5VRWRSEN1.5V加按钮减按钮U3810.1uF2Q11设置温度按钮23菜单选择按钮456P1.678VCC1X1VCC2P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7AT89C51576RSTSCLKI/ODS1302X23PNPBUZ1时钟设置按钮报警部分BUZZERP1.6R2J1Q2NPN12SIL-100-024.7K321U2VCCDQGNDDS18B2026.0RL1RLY-SPNORS4RW5EN6127384951061171281314X1CRYSTALD0D1D2D3D4D5D6D712345678 图（11）显示当前温度

RP1RESPACK-8LCD1LM016L123456789VSSVDDVEERSRWE123C11930pFU1XTAL1X2CRYSTALC230pF18XTAL29RSTP0.0/AD0P0.1/AD1P0.2/AD2P0.3/AD3P0.4/AD4P0.5/AD5P0.6/AD6P0.7/AD7P2.0/A8P2.1/A9P2.2/A10P2.3/A11P2.4/A12P2.5/A13P2.6/A14P2.7/A15P3.0/RXDP3.1/TXDP3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P3.6/WRP3.7/RD39383736353433322122232425262728101112131415161787654321RV1POTBAT2BAT1C3C41uFR110k293031PSENALEEA1.5VRWRSEN1.5V加按钮减按钮U3810.1uF2Q11设置温度按钮23菜单选择按钮456P1.678VCC1X1VCC2P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7AT89C51576RSTSCLKI/ODS1302X23PNPBUZ1时钟设置按钮报警部分BUZZERP1.6R2J1Q2NPN12SIL-100-024.7K321U2VCCDQGNDDS18B2018.0RL1RLY-SPNORS4RW5EN6127384951061171281314X1CRYSTALD0D1D2D3D4D5D6D712345678 图（12）温度低于低温下限，蜂鸣器鸣叫

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