thaaaaaaaaank you guys really you made my day, know i have lot's of ideas and i feal that am the one who is not helping you :) so let me take...
first thank you for your reply, the problem is that i am designing the system and not fixing an old one i am the one who is responsible for...
thank you Tim i'll take ur advice
i know it's expensive but it's much cheaper than buying the panel and i'll use indicator light but it's better to use alarm with the lamp
i can make a board but am not good at design beside am trying to make it with relays
i know that but i want to make these card it's cost is cheap but it's very expensive so i need it's design
i need to install 13 navigation light lamps 24 volts DC, 40 watt each, each lamp is connected to an on/off switch to light the lamp on or off but...
i'm trying to do the same thing with a 24 VDC supply and 40 watt lamps and i'll need to activate a buzzer too, i'll be glad if you helped me...