SNC21000 Series is a series of 16 to 500 seconds one-channel single chip voice synthesizer IC. It built in a 4-bit tiny controller, I/O ports, PWMIO, internal RAM, ROM, and a PWM Direct Drive Circuit (PWM Voice). By programming through the tiny

PWM 太阳能路灯控制器的设计，含有源程序及原理图，欢迎下载-Design PWM solar street light controller containing the source code and schematics, welcome to download

motor controller using PWM , schematic design