My device is a bag that with a mecanism of traction detects the weight you are carrying. If you are carrying more than what you should it gives an alert via a blue led that I incorporated to the bag.
My device is addressed to people who suffer back pain
Roger Huguet Espona
My problem is adress to the accidents that are caused by cars at night.
My project is a Jacket with LEDs, when you pedal you generate energy and you turn on the lights.
My first Idea