This is a very simple touch sensor switch that is build with the 555 timer IC. You just need to touch the metal plate and the relay gets energised and is kept in this state for about 100 seconds, then is released. This kind of sensor switch is suitable for making touch operated bells, buzzers […]
Tag: کلید لمسی
This circuit uses a 555 timer as the bases of the touch switch. You can learn more about 555 timers in the Learning section on my site. When the plate is touched the 555 timer is triggered and the output on pin 3 goes high turning on the LED and the buzzer for a certain […]
خیلی قوی هست حتما امتحان کنید با لمس دست وسله برقی یا رله ای را تحریک و … کنید این مدار با ۵۵۵ ساخته شده که محبوبیت زیادی در دنیا دارد ببخشید دیگه ترجمه نکردم This circuit uses a 555 timer as the bases of the touch switch. You can learn more about 555 timers […]