Hi everyone I've got an IR LED which I'm using for a project to control air conditioning, but the Range is terrible. I've read that the Arduino can only put out 30 Ma from a digital pin, and thus a transistor is needed for higher applications. I have never use a transistor before but I have used mofets and I assume the process is the same ?
Can someone draw me the most basic way I can connect a resistor and transistor to a pwm pin on my Arduino to get around 100 Ma please. Or at least a recommended transistor and a description of what connectshe to what.