THE SWITCH IN THE DOOR HANDLE

THE SWITCH IN THE DOOR HANDLEYou 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

  • RAM INSTEAD OF ROMRAM INSTEAD OF ROM
    Debugging any program of the microprocessor, it is necessary many times to write and erase information in the chips ROM КР573РФ5 (РФ5). However, the online those is very limited. In the...
  • Water skis: another optionWater skis: another option
    In “M-K” No. 4 for 1989, an article devoted to skis-boats... was published. I read it and regretted that I hadn’t written to the editors earlier, nor shared my developments with the...