STC89C52单片机控制NRF905射频模块。采集底层的温湿度，用1602液晶显示，并发送给协调器。-STC89C52 SCM control NRF905 RF module. Temperature and humidity of the underlying collection, with 1602 LCD and sent to the coordinator.

1602液晶显示，介绍了1602液晶显示控制程序以及它的工作原理-1602 liquid crystal display, introduces 1602 LCD control procedures as well as its working principle