Money & Business
First steps in innovation and entrepreneurship
...circuit. When night comes the bulb is triggered to light up. We made the circuit available and easy to understand for everybody. So this is our older bottle. Where we added a bulb. It shuts off during the day when the sun is out and during the night, it automatically turns on. Theoretically speaking, with the one watt powered light it can light up a 15 square meter room...