John: My son is in Cub Scouts, and for years we’ve been building Pinewood Derby cars.
Bring fun back to the flashlight with Arduino and full-color NeoPixel LEDs. Just twiddle the knobs and dial up any hue, saturation, and light level to create millions of colors — and 10 fun flashlight modes to play with.
Build this simple tool for testing TO-92 package NPN transistors.
In this project, I am going to show you how to make giant dinosaur footprints.
Building your own mini quad is a good way to get your first rig while learning the fundamentals of multirotor flight and piloting
You can find these interesting looking old lanterns in many antique shops and flea markets.
Learn the secret language of pulse modulation to master the continuous rotation servo
This sturdy table assembles in seconds without tools, and stores flat in a closet or under a bed.
Build a parabolic mic from ordinary hardware, then transmit its sound to any FM radio.
I designed a simple LED Lamp with a sleep timer that will automatically dim itself over a set amount of time.
I came up with this “boffer” style lightsaber for my kids shortly after they caught the Star Wars bug.
Even a relatively small puddle can ruin your high-flying fun — safeguard your investment with a few readily available products.
