…The baby was cranky for a long time and finally fell asleep. A few minutes later the doorbell rings. And, of course, the baby wakes up, and now to calm his unlikely…
I propose a simple addition to the doorbell. Just say that it’s good for calls that are switched through the circuit of 220 V. Here we need a cartridge with a bulb and the switch. Everything is connected as shown in the figure. In normal mode when you press the button is actuated and a bell, and a lamp in the “quiet” — only lamp.
I. GALKIN, engineer
Recommend to read
CLEARS THE GROOVE…
If after working with quick-drying putty or mastic trowel is not immediately clear, next time will have to work hard in removing the blades with the dried up crust. Convenient and quick...
CORNICE-INVISIBLE
Beautiful curtains on the Windows, decorate the room, provided if they are still hanging nicely. We offer the industry new discreet eaves "String" of wire or cable are not all satisfied,...
