Instructables

Bling out your Breadboard (how to add LED power indicator to Solarbotics transparent breadboard)

Step 4: Install the LED

Just don't go jamming it in! Figure out what lead is the cathode (-) and anode (+). The anode is the longer of the two leads. You want this on the top, so it lines up best with the positive power rail.

Use a dab of hot-glue to hold the LED in the hole. If you used a 3/16" drill bit, it may be tight. You might have to redrill it out by wiggling the drill bit side-to-side to open up the hole diameter a bit.

NOTE: If and when you do the LED on the other side, the polarities will reverse because you will be approaching the power rails from the other end. Make sure you keep your anode (+) and cathode (-) / red / blue rails sorted out!

 
Remove these adsRemove these ads by Signing Up
Pro

Get More Out of Instructables

Already have an Account?

close

PDF Downloads
As a Pro member, you will gain access to download any Instructable in the PDF format. You also have the ability to customize your PDF download.

Upgrade to Pro today!