Description
Comes with a 4
deep sleep current as low as 20uA
Reduction Ratio
tones and alerts
You can attach as many 3-pin or 2-pin ones along as you'd like to make arbitrary length of terminal block
Transparent 5mm LED (Pack of 10) Color:Red Comes with a 4LEDs make great indicator lights. They use very little electricity and they pretty much last forever. You cannot directly connect an LED to a battery or voltage source. Firstly, because the LED has a positive and a negative lead and will not light if they are the wrong way around and secondly, an LED must be used with a resistor to limit or 'choke' the amount of current flowing through the LED otherwise the LED could burn out! LEDs are ideal