new signal relay is ready
original diagram was published on
tehniq
i have modified it for our needs
biggest current is 50mA x4 when all 4 lamps are lit
so max current must be arroud 200 mA
i took 1A to be shure so for command i used an BD237
Q1=Q2=BC171
Q3=Q4=Q5=BD237
and also i have atached my simplified diagram
price for simplified diagram 3USD
