We’re not sure who designed [Max Glenister]’s place, but they had some strange ideas about interior door positioning. The door to his office is right next to a corner, yet it opens into… ...

Fridge door switch + light socket. ... Well, my bedroom closet automatic light switch went from concept to finished in about 3 hours, including drive time.

The closet door opens into the room also. When both are opened they crash into each other. I've thought about replacing the single 3-foot-wide bedroom door with a pair of 18-inch doors set in the ...

The working principle of the light switch is quite simple. The bistables inside CMOS 4013 are conected in series. FF2 is configured as a R-S memory to store the state of the switch. S1 must switch as ...