UselessBox school project made with arduino
Useless box is just a box with one switch and when switch is turned the device turns the switch off.
To add mode functions this useless box has range-finder, speaker and accelerometer.
Arduino Uno
HC-SR04
GY-61
Two servos
Speaker
Usb power bank
Demo Gif
State Diagram
-
Closes switch
-
Slowly move arm to close switch
-
Jerks back and fort the arm before closing the switch
-
Peak, Close Switch, Peak,
-
Waits users hand to be at least 25 cm away before closing the switch.
-
Moves arm according to how close users hand is. Lasts 20 seconds.
-
Play music. Plays Star Wars Imperial march from speaker and moves arm in beat of the song.
-
Random function. Randomises arm movements and time to taken close the switch.
-
Peak. Peaks if unused for five times before going sleep
-
Tilt sound. If device is not flat, it makes sound depending on the angle. Self-calibrates when arduino is first powered on.
- HC-SR04 can´t accurately get users hand positions. Works better against flat surfaces.