A seeding monitoring optoelectronic sensor for precision planter was designed using red laser diode (RLD) and silicon photocell.

• 提出了排种检测光电传感器的覆盖率问题 ,并利用红光半导体激光二极管 (RL D)和硅光电池构造了一种高覆盖率的排种传感器。