Timer circuit with 106 fixed preset time


Posted on Feb 7, 2014

The foot 13 between valve value 1 and valve value 2 will suck the transistor base current. If relay releases, after recovery time 0.5s, to press key then it will start to switch process again. The timer is composed ofwindow discriminator TCA965 to. After pressing the key Ta, decision time capacitance C will charge. transistor T1 obtains base curren..


Timer circuit with 106 fixed preset time
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Marker-generator
    PIC Traffic Lights
    Simple Serial AVR Programmer
    Because of messengers detection gear conceptual design of PICl6F628A one-chip computer
    wireless picaxe based water tank level sensor
    BLY94 50W RF Amplifier Circuit
    Thrifty LED Protector
    SWTPC 69A/69K Computer Power Supply and Motherboard
    Three-terminal voltage regulator integrated fixed a typical wiring circuit



    Top