工频后备式UPS-300W，16F73和HT1621驱动液晶显示，美观和高可靠性-Frequency-type back-up UPS-300W, 16F73 and HT1621-driven liquid crystal display, aesthetics and high reliability

使用C语言开发的一款逆变器（有详细的程序和原理图）。-The use of C language developed by a inverter (with detailed procedures and schematic diagram).

正弦波逆变器PIC16F73做的逆变器程序-Sine wave inverter the PIC16F73 do the inverter program