You have returned home or moved from room to room. Opening the door, clicked the lock handle and then light lit up. Comfortable? And the secret is this. Attached to the handle bracket presses the button of a pushbutton connected to the network switch. Turn it on and when you close the door, press again, wait a handle to a push-button switch opens. Device to turn the light on the door handle:
1 — push switch, 2 — clip, 3 — handle, 4 — corner fastening buttons, 5 — door, 6 — room switch.
S. DYACHKOV, Novovyatsk, Kirov oblast
Recommend to read
GLIDERS OVER THE PANEVEZYS
Weather did not spoil the young glider pilots. The sky is high and blue, as it often happens in Lithuania at this time of year, gray and low down over the green field airport. Strong...
BOAT-DIVING
Do you want to build a model submarine? Start here with this most simple contour (see figure). She has much to teach the young shipwright: and how to manage the course of horizontal and...
