Touch Doorbell alarm without ic

Touch Switch Circuit For Doorbell Alarm Without IC

  Touch Sensitive Doorbell Alarm switch circuit When touched the touch metal then the Alarm is switched ON and when Leave the finger from the touch plate then the Alarm is Automatically Switch OFF. This is very simple and easy because only three transistors and some other components are used, No IC required for this […]

Touch Switch Circuit For Doorbell Alarm Without IC Read More »