We will not get lost in the night when the Moon light go along with you. But how about the day before new Moon? Why don't you bring your own Moon alone with you?
This instructables show how to make a 2.5 inches rechargeable Moon key ring go alone with you.
Step 1: Preparation
Any tiny Lipo with around 250-500 mAh is ok, this time I am using a 102025 Lipo battery.
Any Lipo charge board with micro USB socket should be ok.
A 0.5 - 1W LED with voltage regulator.
A 8 mm X 8 mm X 8 mm power switch.
A key ring set with a ring that can screw into the switch hat.
Step 2: 3D Printing
Download the 3D model at Thingiverse and print it out:
Step 3: Soldering Work
The connection is very simple, here is the connection summary:
Lipo +ve -> Charge Board Battery +ve pin -> Power Switch -> LED +ve pin Lipo -ve -> Charge Board Battery -ve pin -> LED -ve pin
Step 4: Hot Glue Assembly
Use hot glue fix the components to the key ring hat and then stick the hat with the Moon body together.
Step 5: Key Ring Assembly
Step 6: Charge the Battery
Plug the USB power to the Moon key ring and wait for fully charged.
Step 7: Bring Your Own Moon!
Its time to bring your own Moon alone with you!
Step 8: If You Do Not Have a 3D Printer
There are various website selling Moon Lamp product on the web, some are selling key ring size product:
P.S. I will post a real product here if I get one.