0
What else can I help you with?
How voltage passes to led?
LED needs a voltage drop, like Vled=0.7V (see datasheet of the component) in order to start conducting. A voltage below 0.7V the led dont conduct therefore it wont emit any light.
Can a 12 2 low voltage line light up a 120 volt led light fixture?
What needs to be checked is the voltage of the low voltage line. If it is 120 v, that is suitable for a 120 v LED fitting. Second, is the line capable of carrying the current needed by the fixture. The answer to that is, probably, but it still needs checking.
Why does a Led have a 470 resistor connected to the LED?
A: That resistor is there to limit the current to the LED it can be any value if the voltage is decreased or increased or no resistor if the voltage across the led is equal to the forward voltage drop.
How do you make an led light?
A: LED NEEDS at least 1.8v to light and a current of at least 10ma. Try 2 AAA battery in series and a 70 resistor if it doesn't light it means the voltage must be greater the 1.8v it could 5v volts.
What type of transformer is required for a LED strip light installation?
For LED strip light installations, a low-voltage transformer is required to convert the standard household voltage to the lower voltage needed for the LED lights to operate safely and efficiently.
How do you make a LED light?
A: Most LED needs a minimum voltage and minimum current in the right direction positive anode negative cathode to light up. Unfortunately the voltage can be as low as 1.2 to 5v and the same apply to the current from 5ma to 500ma. So there is no set values it depends on the device.
What is a wiggy in electrical?
A wiggy is a type of voltage tester used to check for the presence of voltage in a circuit. It typically consists of a neon light bulb or LED and two probes for making contact with the circuit. The light will illuminate or the LED will light up if voltage is present.
what does led stand for led?
Light Emitting DiodeLight-emitting diode - a semiconductor that glows when a voltage is applied
How many volts does an LED need to light?
That depends on the current. The formula P=IV (where P is power in watts, I is current in amps and V is voltage in volts) is how you calculate the power. So if the current is 2 and the voltage is 3 then P=2x3=6Watts. Use an ammeter to determine the current.
How to test an LED light with a multimeter?
To test an LED light with a multimeter, set the multimeter to the diode testing mode. Connect the positive lead of the multimeter to the anode of the LED and the negative lead to the cathode. If the LED is working, the multimeter will display a voltage drop. If there is no voltage drop, the LED may be faulty.
How do you make LED lighting?
A: Most LED needs a minimum voltage and minimum current in the right direction positive anode negative cathode to light up. Unfortunately the voltage can be as low as 1.2 to 5v and the same apply to the current from 5ma to 500ma. So there is no set values it depends on the device.
How can I use a multimeter to test an LED light?
To test an LED light using a multimeter, set the multimeter to the diode testing mode. Connect the positive lead of the multimeter to the anode of the LED and the negative lead to the cathode. If the LED is working, the multimeter will display a voltage drop. If there is no voltage drop, the LED may be faulty.
