BTS7960 Crtl+^_^ PCB 121232132132176854321768543212112211212111213141516171819201098765432121211212212112121221 视频演示: http://v.youku.com/v_show/id_XMjM4MzY1MTI4.html 1K *8 0805 100 *2 0805 1040.1uF *1 0805 BTS7960 *2 LED *2 0805 1000uF *1 *2 74HC244DW *1 VCC,GND ENVCC IN1VCCGNDIN2GNDVCC ENIN1IN2 ENIN1 ,IN2 VCCGNDPOWER-,POWER+ ENIN1IN2PWM 1VCC,GND ENIN1,IN2IN10IN21ENPWMIN11,IN20 2VCC,GNDIN1,IN2ENVCCIN10IN2PWMIN1PWM,IN20 QQ1453363089 TEL15896427010