Windshield wiper hesitation control unit

  
This circuit uses the 555 timer in the asta-ble or oscillatory mode. The length of time the timer is off is a function of the values of CI, R2, and R3. The potentiometer which controls the amount of `hesitation`
Windshield wiper hesitation control unit - schematic

(Approximately 2 to 15 seconds) R2 provides a minimum time delay when R3 is at its zero ohms position.




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