Light-controlled bidirectional rotation motor drive circuit
Source: InternetPublisher:王达业 Keywords: Motor drive circuit light control Updated: 2021/03/23
Light-controlled bidirectional rotation motor drive circuit
Shown is a light-controlled bidirectional rotation motor drive circuit . The photosensitive transistor is connected to the base circuit of \rri. When there is light and the photosensitive
transistor has current , VTI is turned on; when there is no light, VT1 is turned off. When there is light, VT1 is on, VT2 is off, V13 is on, VT4 is
on, and VT5 is on, then there is current, so the motor rotates forward: when there is no light, vri is off, VT6 is on, and VT7 is on. When VT8
is turned on, current I2 appears and the motor reverses.
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