说明：  机器视觉，双目视觉板卡电路：1> 双目视觉照相机电路图，含红外照明管，可以红外成像的立体摄像头，双目摄像头图像采集电路。2> 长按按键开机/关机电路（类似手机电源按键长按可开机，关机），可以通过程序控制IO关机。3> 锂电池剩余电池电量检测电路。4> 段码式液晶显示屏接口。5> 蜂鸣器驱动电路，采用两个三极管，烧写程序时蜂鸣器不发出噪声。6> 已分析原理图，原理正确，实测电路为有效可靠。
(Machine vision, binocular vision circuit boards: 1> binocular vision camera circuit diagram, including infrared lighting tube, infrared imaging can stereoscopic dual camera image acquisition circuitry. 2> Press button to power on/off circuit (similar to mobile phone Power button Long press on, off) can be programmed IO shutdown. 3> lithium remaining battery power detection circuit. 4> Paragraph 4 yards LCD display interface. 5> buzzer driving circuit uses two transistors, the buzzer does not emit noise when the programming process. 6> analyzed schematics, principle is correct, valid and reliable measurement circuit.)