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
TWO-HANDED BARREL…
To lift and move manually to a large barrel and it is not easy and inconvenient: not to hold on. Meanwhile, equip it with a pair of convenient handles very easy. Do in the side wall at...
“HUMMINGBIRD” FROM CALIFORNIA
Held in the fall of 1991, sports bilateral meeting of American and Soviet missile-modelers winner in the class S4B was Robert Park, a native of the state of California. His rocket plane...
