Connect direct led to 12 volt battery,1k resistance uses,resistance colour code,which resistance ?

In this video we are learn how to connect led direct to 12 volt battery

How to select resistor value for LED with simple calculation (Ohm's Law)

Got a simple (and embarrassing question), is this the correct way to power 3 white LEDs? 12v power supply and 3 470 resistors behind each LED. I've learnt that i shouldn't power

Resistors - SparkFun Learn

How to select resistor for 1 watt LED – Hobby Projects

Connect direct led to 12 volt battery,1k resistance uses,resistance colour code,which resistance ?

2.Turning

How Much Resistance Is Needed to Change From 12V to 9V?

You have a red LED that you want to connect to a 12V battery. The maximum current that it's safe to put through this LED is 10 mA. How much resistance does

How to Calculate the Value of Resistor for LEDs Circuits?