Resistors to pos or neg side of led? two answers??
Mar 30, 2009 · It doesn't matter if place the resistor before or after the LED because is the amount of current the resistor limits as not to burn the LED. In a series circuit the current is the same …
LED Resistor, before or after? - Page 1 - EEVblog
Jan 17, 2012 · Author Topic: LED Resistor, before or after? (Read 10364 times) 0 Members and 1 Guest are viewing this topic.
Should resistor place before LED? - All About Circuits
May 3, 2015 · In conventional flow chart, we draw a circuit with LED like this: We put resistor here to limit the current and to protect the LED. But in reality, the current actually flows from the …
Newbie Question about Current Flow Direction and Resistor …
Jul 20, 2015 · However, just below the diagram they post to a link to an animation in which the resistor is placed AFTER the led with respect to the current direction. I have since read other …
How hot is normal heat for a resistor before a 12V 20mA LED?
Jan 23, 2024 · One last question. The resistor is build in before the LED (you can see that also on my candle picture) the series Installation would look like that with 2 LEDs DC 12V -> resistor …
When current limiting resistors are needed with LED? - Page 1
Apr 26, 2018 · The LED strip already has current limiting resistors; you don't need any. Yes, adding more resistors will reduce the current - and voltage. If you do add one to the V+ line, …
Choosing the correct resistor to be used with an optocoupler
Jan 26, 2024 · Subtract the led voltage from the supply voltage, this gives the Voltage across the resistor, and divide it by the led current, that will give you the resistance to use.
why we use resistor with LED - All About Circuits
Oct 26, 2011 · I am an engineering student and have performed various practicals related to logic gates in which LED is my output device.I always have used 330Ω/470Ω resistor in series with …
Resistor Capacitor LED circuit - All About Circuits
Dec 9, 2009 · i need help figuring our the values for the resistors and capacitor in this circuit. It's easier if I just reproduce the question here: A white LED lamp (L) operates at 2.4 V, 10 mA. It …
AND gate with a ?pull-down resistor? - All About Circuits
Jul 30, 2023 · I meant the second case where the base resistor of the second transistor has 10,000 Ohm and the pull-down resistor has 1,000 Ohm and the resistor before the LED also …