MAGracing Forum

I want to show my first try to install some led's in my Mag.

I installed everything in the body, so it will Switch on when the body get placed on the chassi.

Nice works
Its realy lighting me up!

I am using the magnets as contacts.

very nice

can you tell us which component to use?

Well done Christian. Some pics of your track would be nice too.

I use white and red led's with a diameter of 3mm.
The two resistor's have 56 ohm.

The white led's are connected parallel because they need more power. The red led's are connected in line.

For the second car I am thinking about to use some smaller led's. In a slotcar store i have seen some with 1,6 mm but i don't know the values of this components.

normally the value is the same no matter size, it is the color that change the value.

Really looks nice Keld. Good job ! I wonder how much effect the lights have on battery endurance ?

goatdope wrote:Really looks nice Keld. Good job ! I wonder how much effect the lights have on battery endurance ?

You mean Christian

but the led don't use much a normal led use 20 mA, so i will work many hours, 2 white parallel is 10 mA, and 2 red i serie is 40 mA, that 50 mA in total, and with 600 in the battery the 4 leds will work for 12 hour, I race more than 30 min on a battery and on 30 min the leds only use 4% of the total power in the battery.