Add a torch to your robot project using White Power LED
3Watts Power LED with 45deg Lens
Now a days white power LEDs are becoming popular, cheaper and more efficient. This makes it easier to use white LEDs as torch lights. You might have seen cheap Chinese torch lights available in the market.
Now why should we add a torch light to robot ?
Most of us have made roborts which can move, navigation enabled etc. Adding a torch light will help us to use it during night also. It is also cheap, I found the LED and lens shown in the picture for just INR105(around $2.5).
Lens and LED kept seperately
We can find a lot of circuits if we serarch on google. I have listed below some of the circuits which I found useful.
You can search on Google for more information.