求翻译：串口通信部分采用电平转换芯片MAX3232实现与上位机的联机通信，温度采集部分采用DS18B20数字式温度传感器，电源供电采用两节1.5V干电池。网络拓扑采用星型结构，一个主节点，多个从节点。是什么意思？

The serial communication part of the level conversion chip max3232 online communication with the host computer, the temperature acquisition ds18b20 digital temperature sensor, power supply uses two 1.5v dry battery. Network topology with the star structure, a master node and slave nodes.

Serial port communication with level-shifting MAX 3232 chip with the realization of online communication, with temperature acquisition part 18 DS B Digital Temperature Sensor 20, the power supply with two 1.5 V batteries. A star topology of the network structure, a master node from the node, and mor

The serial port correspondence part uses the level transformation chip MAX3232 realization with on position machine on-line correspondence, the temperature gathering part uses the DS18B20 digital temperature sensor, the power source power supply uses two 1.5V dry cell batteries.The network analysis

Serial communications section-level conversion chip MAX3232 online communication between the computer and, of temperature collecting DS18B20 digital temperature sensor, power supply with two 1.5V batteries. Network topology using a star structure, a master node, multiple nodes.

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