Introduction: Automatic Night Lights for Outdoors

These Glowstone lights glow during night and switch off during day. They hide in the surroundings and are material friendly. They provide a lot of light and prevent hostile mobs.

Supplies

3 Glowstone
3 Sticky Piston
4 Redstone Dust
1 Redstone Torch
1 Daylight Sensor
8 Blocks of your choice (I used grass blocks as they fit in the surroundings.)
1 Slab that camouflages with the surroundings (I used Mossy Cobblestone Slab.)
11 Trapdoors

Step 1: Step 1: the Slot

A) Dig a pit 3 blocks long, 2 blocks wide and 2 blocks deep.
B) On one 3 blocked side, from the middle block dig a pit 4 blocks long, 1 block wide and 2 blocks deep.

Step 2: Step 2: Glowing in Night

A) On the 3 block side without the 4 block long pit, place 3 pistons facing upwards.
B) Place a Glowstone on each piston.

Step 3: Step 3: Redstone, the Eternal Nemesis

A) Place Redstone Dust next to each piston.
B) In the 4 block pit, place a block at 2nd block from left.
C) At the left side of the block you placed add a Redstone Torch.

Step 4: Step 4: Gaining Senses

A) To the right of the Redstone Torch block place Redstone Dust.
B) In the right corner of the 4 block pit place a Daylight Sensor.

Step 5: Step 5: Keeping Secrets

A) Place a block of your choice over each block except the Glowstone and Daylight Sensor.( I have used grass blocks as they fit in the surroundings.)
B) Place the slab over the Daylight Sensor.( I used Mossy Cobblestone Slab because it fits with grass blocks.
CAUTION!!!: DO NOT PLACE A FULL OR OPAQUE BLOCK OVER THE DAYLIGHT SENSOR AS THE LIGHT CANT PASS THROUGH IT AND THE DEVICE WON'T WORK. ONLY USE SLABS OR CARPETS.

Step 6: Step 6: Finally!!

Place Trapdoors over each Glowstone. When lights will switch off the Trapdoors will remain giving a good frame for them when they switch on.

Step 7: Thank You

You can use these lights in your backyard or wherever you want. Hope you like it!!