1. Power saving (because the liquid crystal itself does not emit light, the power consumption is low)
2. Can only be driven by low-frequency AC voltage, DC will damage the LCD
3. Types: segment LCD, c
[color=#555555][font=微软雅黑][size=3]Reading this document will help you reliably listen to and view signals with the highest fidelity, providing you with a complete solution for aviation and government
Firstly, the XML standard and its technical characteristics are introduced and analyzed, and then the development and current situation of embedded system network application are discussed. On this ba