IS131 7-Segment LED Display, 1 Digit Blue Common Cathode (Pack of 4)

Nice blue color. Works as intended.

I bought these to play with my Raspberry Pi. They work great, I like the blue color, and they're nice and bright. They're pretty large though; placed across a slot on a breadboard, there's only two rows on one side and three on the other left; not much room if you need to daisy chain them together for multiplexing projects. It would also be nice to have a blue dot on the back or something to indicate what color they are, just in case they got mixed up with similar looking parts, but I can do that myself with a sharpie.

Works as described. Used it with my arduino for some simple counting stuff. Clocks, counts, etc. Great for when you just need a single display in a random spot, or, if you want you can just line all 4 up and create a traditional 4 digit 7 seg display.

My son is his own little engineer and wanted these, they work great, that is, if you know how to use them and a great price to.

Ordered common cathode! Received common anode!Package is labeled common cathode but these are clearly common anode....as anyone with a dmm can easy check. Easy enough to deal with anyway...but shouldn't have to.

They look good and fit well on a breadboard

Product works exact as expected, but you need a pin per led light, so 9 pins per number, or you gotta get extremely fancy. Just get an LCD panel unless you really like writing numbers and using a million wires.

Easy to use. Came with segment decode data card. middle pins of both rows of 5 are common cathode.currently using as a night-light instead of just sitting in my parts tray.