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
ROCKET UNIVERSAL
Today we offer our readers a model of two-stage missiles S1C and S2B, developed by a member of the team To, Butrova. Its peculiarity is the unusual principle of resetting the second...
STATIONERY IN… DRILLS
It would seem that can be the total electric drill hole puncher, washing rubber (eraser) and a paper clip? But O. Lavrov, who considers himself a graduate of our magazine, was able not...
