Wheat planter particles clogging circuit

Posted on Dec 11, 2010

FIG clogging circuit wheat planter particles. In this circuit, the light-emitting diodes and photodiodes arranged in planting at the outlet - will be blocked, if blocked light

Wheat planter particles clogging circuit
Click here to download the full size of the above Circuit.

received by the photodiode, so VD2 resistance will increase, the voltage NE555 foot rise pin output alarm signal, the speaker sound.

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