Jump to content
Electronics-Lab.com Community
Sign in to follow this  

voltage divider doubt

Recommended Posts

R2 isn't needed because LEDs need a constant current not a constant voltage.

Use the normal LED resistor formula which can be found using Google and calculate the power dissipation in the resistor using Ohm's law P = I2R

Share this post

Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Sign in to follow this  

  • Create New...