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  • 1 Hz Timebase with CD4017

    <cut> This circuit will generate 1Hz timebase with CD7014.The input will divided by 10 so this circuit called a 10 divider circuit.You can use 10Hz timebase circuit from here [Click] </cut> VN:F [1.6.9_936]please wait…Rating: 7.7/10 (3 votes cast)VN:F [1.6.9_936]Rating: 0 (from 2 votes)

  • 10 Hz Timebase with CD4017

    <cut> This circuit will generate 10Hz timebase with CD4017.The input will divided by 6 so this circuit called a 6 divider circuit.You can use 60Hz timebase circuit. </cut> VN:F [1.6.9_936]please wait…Rating: 4.3/10 (3 votes cast)VN:F [1.6.9_936]Rating: -2 (from 2 votes)

  • Personal Alarm

    Small, portable, anti-bag-snatching unit. Also suitable for doors and windows control. VN:F [1.6.9_936]please wait…Rating: 0.0/10 (0 votes cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • Timed Burglar Alarm

    This is a simple but effective alarm circuit which can reset its self after a time that you select. VN:F [1.6.9_936]please wait…Rating: 0.0/10 (0 votes cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • Infrared beam barrier / proximity sensor

    This circuit can be used as an Infrared beam barrier as well as a proximity detector. VN:F [1.6.9_936]please wait…Rating: 0.0/10 (0 votes cast)VN:F [1.6.9_936]Rating: +1 (from 1 vote)

  • Beeper circuit diagram

    This circuit produces the sound of a beeper like the one in pagers which produces a “beep-beep” sound. VN:F [1.6.9_936]please wait…Rating: 10.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • Big Ben Sound circuit diagram

    This circuit produces the famous Big Ben sound. VN:F [1.6.9_936]please wait…Rating: 0.0/10 (0 votes cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • Police Siren circuit diagram

    This circuit produces a sound similar to the police siren. VN:F [1.6.9_936]please wait…Rating: 10.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • Factory Siren circuit diagram

    This circuit produces a sound similar to a factory siren. VN:F [1.6.9_936]please wait…Rating: 9.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • DayLight Alarm circuit diagram

    The circuit presented here wakes you up with a loud alarm at the break of the daylight. VN:F [1.6.9_936]please wait…Rating: 2.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)