Latest Projects

10-Rail Model Rocket Mega-Launcher

Make the cub scout rocket derby a blast.

Bottle Radio

Explore the airwaves with this batteryless AM radio receiver.

Game Show Buttons

Get some trusty 555 timer ICs, and you can create a pair of game show buttons.

Hot/Cold LEDs

Explore three "hot/cold" projects with one circuit.

Little Big Lamp

Build a bright, energy-efficient lamp with LEDs and PVC.

Optical Tremolo Box

Build a light-programmable effects box for your guitar.

Projects in Motion

Using the humble 555 timer chip you can control three different types of motors.

Repeat After Me

Turn a MAKE MintDuino and Mintronics Survival Pack into a fun memory game.

Solar Joule Bracelet

Wearable fashion technology that glows!

Talking Booby Trap

Stop snoops with this sneaky gizmo!

BEAM Solar Chariots

Build a fun solar-powered roller or symet BEAM bot.

Covert Listening Book

Make a wireless "bug" and hide it inside a hollowed-out book.

Extreme LED Throwies

Learn about and build simple glowing circuits!

Infrared String Bass

Build an optical guitar using the LM386 amp.

Mini Rover Redux

Mod a remote-controlled toy and see what it sees.

Monkey Couch Guardian

Make an obnoxious device to discourage animals from jumping on beds and couches.

MonoBox Powered Speaker

Build a powered speaker and amplify your portable music player.

PIR Sensor Arduino Alarm

Build a basic alarm buzzer using a PIR sensor and an Arduino.

Sun Logger

Build a data logger to gather information about sunlight.

A Touchless 3D Tracking Interface

Create a touchless 3D tracking interface with Arduino.

Check out all of the weekend projects

Add Volume, Jack

Plug in and turn up any sound-making battery toy.

Alarm Bag

Add an anti-theft alarm to your messenger bag!

Aircraft Band Receiver

Modify an ordinary AM/FM radio to eavesdrop on air traffic control.

Floating Glow Display

Glowing sign uses an LED and internal reflection for a fascinating visual effect.

Light Theremin

Use the ever-popular 555 timer chip to create an instrument of the retro-future!

The Luna Mod Looper

A simple handheld synth and looper box that generates intriguing sonic rhythms.

Mystery Electronic Switches

This prank gadget frustrates people, but only you know...

Simple Laser Communicator

Talk in secret over your own private laser beam link.

Solar TV Remote

Juice your flipper with sunlight.

Solar USB Charger

A simple-to-make charger that safely recharges many USB devices using solar power.

Treasure Finder

Build a metal detector for a fraction of the cost.

USB Webcam Microscope

Convert a webcam into a fun USB microscope.

Wearable Light Organ

Turn a few common components into a wearable dance floor light show!

Whack-a-Mole Game

555 timer chips create a mini version of the "Whack-a-Mole" arcade game.

555 Timer Ball Whacker

A wooden arm swats at objects when they draw near.

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