6 Volt powered led

[tomahawk]

I have a plan to power a LED to make a lamp. It is two 3 volt coin batteries connected in a series to produce 6 volts with a 120 ohm 1/8w resistor to power it to its fullest extent. For the On/Off I wanted to add a botton (http://www.radioshack.com/product/index.jsp?productId=2062546). Would I need to change anything up to put the button in.

 

[(*steve*)]

That switch will only have the LED on while you press the switch. If that's fine with you, then use that switch.

Assuming it's a white LED, and the LED is rated for 25mA, then all should be fine.

Everything is connected in series (but I'm sure you knew that)