1、This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.小学科学四年级
2、生活中的静 电现 象樟 树 市洋湖敖洲小学This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT8
3、9C51 m sensor.教材说明： 生活中的静电现象 是教科版新版教材四年级下册第一单元 电 的第一课。本课是 电 单元的起始课，主要是让学生从认识生活中常见的静电现象，认识到电荷是存在于我们身边的一切物质中的。多余的电荷如果在一个物体上，就会产生静电现象，如果电荷沿着导线定向移动，就会产生电流。从而使学生对电的本质有一个初步的认识，感受到电并不神秘，它就存在于我们身边，为学生后面学习电的其它知识打基础。本课一共由三部分组成：第一部分：体验静电现象第二部分：认识电荷及电荷之间的相互作用第三部分：初步认识电流This paper mainly introduces the design of
4、 an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.科学小实验你 发现 了什么 1、用梳 过 干燥 头发 的梳子（或塑料笔壳）慢慢靠近碎 纸 屑。2、
5、用梳 过头发 的干燥梳子再次靠近 头发 。This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT8
6、9C51 m sensor.This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m
7、sensor.This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.
8、This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.“怒发冲冠 ”
9、女孩用手触摸静电起电机的金属球 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51
10、m sensor.This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m senso
11、r.This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.This
12、paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.This paper m
13、ainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.This paper mainly i
14、ntroduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.静电既然存在于所有的物质之中，为什么我们通常感觉不到
15、物体带电呢？ 生活中的静电现象随处可见静电存在于我们周围的一切物质之中，包括人类在内的生物和非生物。This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core com
16、ponents of the system are AT89C51 m sensor.大家好！我叫正电荷大家好！我叫 负 电荷我们同时存在于一切物质中，由于我们数量相等，相互抵消，所以物体不显示带电。This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor D
17、S18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.“摩擦起电的原因 ”This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature senso
18、r DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.用充气的气球和头发摩擦后分开，再用经过摩擦的气球的一侧去靠近头发，观察现象。 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using sing
19、le bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.进一步研究发现：两个摩擦后的物体，有时相互吸引，有时互相排斥。这跟我们前面所学的磁铁性质极其相似。同种电荷互相排斥，不同种电荷互相吸引 。This paper mainly introduces the design of an intelligent temperature control system which realizes the
20、 function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.This paper mainly introduces the design of an intelligent temperature control system which realizes the functi
21、on of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.用电器导线 导线电 源This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor.
