Door Bell with Flashing LEDs. The circuit could very well be effortlessly constructed on a veroboard. Any good filtered 9V, 250mA DC power source is appropriate. Primary of the supply transformer may be joined towards the bell AC outlet factors.
Door Bell with Flashing LEDs. The circuit could very well be effortlessly constructed on a veroboard. Any good filtered 9V, 250mA DC power source is appropriate. Primary of the supply transformer may be joined towards the bell AC outlet factors.