I have a temperature sensor hooked and a fan hooked up to the arduino. The objective of this is that when the temperature sensor reads above a certain number the fan shuts off. The fan is wired up through a transistor and hooked up to the arduino. The fan is also connected to a 9V power source. I ha…

Code problems with transistor

system April 5, 2014, 1:18pm 5

const int fanPin = 1;

Pin 1 is one of the hardware serial port pins.