How about a 100 ohm resitor on one of the arduino pins? Make it go to high for 5 seconds and then back low for 5 seconds, avoiing heat?
Just measured, 5 volts on the 100 ohm resistor pulls about 47mah
How about a 100 ohm resitor on one of the arduino pins? Make it go to high for 5 seconds and then back low for 5 seconds, avoiing heat?
Just measured, 5 volts on the 100 ohm resistor pulls about 47mah