16x2字符型带背光液晶显示模块。。液晶显示器以其微功耗、体积小、显示内容丰富、超薄轻巧的诸多优点，在袖珍式仪表和低功耗应用系统中得到越来越广泛的应用-LCD display with its micro-power consumption, small size, rich in content, ultra-thin light of the many advantages to be more widely used in the pocket instrumentation and lo