Auto Dog Door Opener

I have modified a battery powered sprinkler valve to open my dog door at the same time every morning.

Be the First to Share

Make Your Custom Sticker Using Label Paper by mondal3011 in Office Supply Hacks

23 1.0K

Solar System With Glass Marbles and Light by JoopB1 in Lighting

69 3.5K

Chess Salt and Pepper Mills by BrittLiv in Kitchen

1 160 19K

Aquaponics for Everyone! by stumitch in Gardening

252 28K

4 years ago

Can you describe how this works?

I think the flashlight is just for the battery power. Is the rest a solenoid that goes up and down or does it rotate?