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2020 NUEDC AITIC
2020NUEDC交流讨论区
开发板的Vss电压大小是多少呀?
2020NUEDC交流讨论区
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Materials-参考资料
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开发板的Vss电压大小是多少呀?
Louis Chen
over 3 years ago
手册里好像没找到具体的Vss的大小值,想采用DRP接口里的引脚作为驱动电源,但不知Vss的电压大小是否足够,查不到具体参数。另外想问一下可否用GPIO口来驱动外接的小电机?
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chenyh
over 3 years ago
你是想用这个Vss作为电机驱动电路的地线吗,最好不要这样用,因为这个Vss是信号地,DRP的端口不能直接驱动电机,需要外接驱动才行。
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Louis Chen
over 3 years ago
in reply to
chenyh
噢,原来是这样!那可以用扩展板上的drp端口输出PWM波控制电机,然后接板子上的Vcc和GND来供电吗?还是说只能接外部电源或者信号源?
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chenyh
over 3 years ago
in reply to
Louis Chen
最好用外部电源给电机供电
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chenyh
over 3 years ago
in reply to
Louis Chen
最好用外部电源给电机供电
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