Tell us about yourself!
I want this + nixie tubes
back then(2012-01) i combined two 2500mah usb/solar power banks and hot-glued them on my backpack. but it was only enough to keep them topped, not useful when batteries are flat.
is that also sony mdr xb400?
The Ultimate FM Transmitter (Long Range Spybug)
Solar powered air conditioning unit.
SIMPLE Parallel/Series Select Switch
Shaky Leg Power Generator
How to Make Rainbow Shots
Add Wireless Charging to Your Smartphone
Raspberry Pi Powered Bar-top Arcade Machine
Electric Microkart with Independent Suspension
DIY Bike Generator
How to make cheap but very powerful LED bulbs
Build your own Electric Car!
simple user-adjustable DIY Nixie Clock
How to insulate a camper van
Autonomous R/C Tonka Truck with Head Tracking for FPV (Tonka Summit Build)
Bicycle headlight shelf lamp
Lamborghini Murciélago con flamas tradicionales
Make a Photon Flower That Lights Up When You Water It with Lemon Juice
Analog VU meter and Clock (Arduino Powered)
21 W Led Bulb (1450 Lumens)
Cutting Glass Bottles
Make a Joule Thief
DIY Portable UV Exposure Box (PCB Making Gadget)
Air Conditioned Xbox 360 Controller V. 1
An Easy, Foolproof Meal designed to Impress!
Voltage Regulated [5v] Bicycle Dynamo Light & USB Charger
CD tower light
Portable fire pit with built in log storage rack.
Using energy saver light circuit for LEDs (An improved energy saver light hacked from CFL circuit)