Caller nurse

The series of these nurses caller you may be able to apply on other interests in accordance with this circuit.
See picture series below:
























Description:
If SW1 is pressed, the L1 will illuminate, as well as other lights if the switch is pressed by fasien concerned. By looking at the lights on the nurse will know fasien a call, if you already know the lights can be turned off by pressing the Almighty. Exalted is press the on switch is normally off when pressed and therefore called a "nob".
Number of relay or light depending on the number of rooms used. Just one resource for all series. We recommend that you use batteries or adaftor with the appropriate voltage and power. It's used a lot of lights and the relay and used a long wire would be perfect if resources are greater than the working voltage of 7.5 v. relay eg