Abstract The wind turbine phone charger is designed to deliver a maximum of 15W of power to a battery pack, capable of charging various portable electronic devices via USB ports. The turbine comprises a two-level Savonius structure with offset blades to capture wind from any direction. These blades are linked to a shaft that turns […]
WIND TURBINE PHONE CHARGER Read More »
For our ECE 4760 final project, we designed and built a bicycle dashboard which displays the cyclist’s pedaling power, speed, cadence, and distance to enhance training. The major motivation of this project was to replicate a commercial product at a dramatically reduced price point. A commercial power meter costs around $1000 for just the instrumented
This project is a follow up of the Illuminated Presents project that I posted earlier. My wife really liked the Illuminated Presents but kept them as Cubes and did not put a bow around it to turn them into presents. Because of this success I created a second one – called Illuminate Cubes since that is what
It is a 3D paper heart which starts Blinking (Glowing) when someone holds it. To surprise someone, this gift is a perfect idea as it looks like a simple origami heart but it starts blinking just like a beating heart when someone touches or holds it. This Origami beating heart can be easily made in
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First, you need to know that a lightstrip is a bunch of LEDs daisychained together. The three contacts are +5v, GND and DI (data in, AKA DIN). If you are using the same lightstrip, you can solder just 3 wires… Now on to building Step 1: Tinning Your Contacts Before soldering anything, you need to
Adafruit Lightstrips Read More »
All the lights in my house are smart so I’ve got pretty used to yelling at them to switch on and off, but it ends up making me look dumb when I yell at a light that isn’t. And I look especially dumb when yelling at candles. Normally this isn’t too much of a problem,
Alexa-controlled Adam Savage Pumpkin Read More »
While there are many different types of batteries, the basic concept by which they function remains the same. When a device is connected to a battery, a reaction occurs that produces electrical energy. This is known as an electrochemical reaction. Italian physicist Count Alessandro Volta first discovered this process in 1799 when he created a
How Batteries Work Read More »
Step 1 The Circuit Step 2 Building the Circuit board Step 3 Soldering the Circuit board Step 4 Programming the Micro Step 5 Using the Candles To power the circuit, you need 4 batteries of 1.2V, AA or AAA size or 3 batteries of 1.5V (AA or AAA size). Using the blowout candles is easy.
DIY Electronic Birthday Blowout Candles Read More »
