…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
A bike TRAILER? A TANDEM!
Many lovers of active rest on the nature, prefer Cycling to other types of short journeys: on foot, by car. Walking on foot you can fully enjoy the pleasures of nature, slowly to see,...
PAINT MITTEN
Water pipe running along the wall, paint normal brush hard. For this purpose I made a MITT made of sheepskin with the fur outside. Wearing it on your hand and dipped into the paint,...
