Project Ideas

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List your project ideas. This can be helpful for both the novice and the experienced.

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Arduino Tutorials
- These tutorials will bring you up to speed in the arduino syntax/API, and you will almost certainly get some project ideas. If you do, remember to add them here.
Intrusion alarm
Thermostat
Line Follower Robot
RBS lights and switches: My rolling ball sculpture has switches on the track and my Arduino triggers lighting events from them.
Intelligent bug zapper: show how many bugs were zapped and average/cumulative zap time.
Photovore: a robot that goes to the brightest source of light.

Write a library
Stopwatch
Email notifier see here.
Tic Tac Toe
LED Matrix Control
MIDI Controller
Maze Solver Robot
Anti-tailgator: use distance and speed sensors to light up a sign in the back window of a car.
Auto-internals: read OBDII data from your car and display the state of the sensors, calculate MPG (see opengauge mpguino, OBDuinoInterface too)
Ultimate computer case fan controller: you got 6 analog inputs and 6 PWM outputs. That's a lot of fan control!
Fountain and/or lights that respond "happy to see you" via proximity and/or motion sensors.
Ham radio Morse code keyer/propagation beacon.
A small ball of individually addressable LEDs.
Fail Safe lock using keypad, LCD, electric deadbolt with optional proximity sensor.
Colour following robots: Two or more robots that follow lines of a certain colour, so on follows blue the other follows Red etc.

Monome
Synthesizer
Motion Tracking Turret
Autopilot with GPS waypointing
Gameconsole
Learning Maze Solver Robot
Energy efficiency/reporting: put current sensors on each circuit breaker in the AC panel and report usage/stats.
Whole house climate control: Control HVAC and ceiling fans, watch for diffs between upstairs/downstairs, ceiling/floor and outside temps.
UPS/power control system: Add power control and usage reporting to a normal UPS (Uninterruptible Power Supply)
Voice recognition library
Use Arduino to collect and process position/weather/telemetry data and then output data strings serially into an amateur radio transmitter using APRS (Automatic Packet Reporting System).
Ham radio repeater controller with DTMF control.
Arduino communication: Create robots with IR blasters and receivers that can "talk" to each other and tell one's "voice" from another's
sudo make me a sandwich: A robot that makes a simple sandwich when "sudo make me a sandwich" is received over serial
Blue tooth remote controlled Arduino with WLAN web cam so you can create an awesome remote controlled car
Video Library: A library for making images / pixels appear on a TV screen.
Graphical calculator that graphs serial inputs on a graphical LCD.
Hands-free mobile display to message other drivers, i.e., "Back Off!".
Chromatic musical intrument tuner