LM3914 Led mouth

Hello everyone,

Here's a video of my led mouth I made for my "blue Freak Machine".

This is the circuit I made for it:

led_mouth_1.gif

 

In my case the leds are numbered as follow:

8 6 4 2 0 0 2 4 6 8

9 7 5 3 1 1 3 5 7 9

 

Edit: Oops i mixed up the 3914 and the 3915.. they both will work anyways..

Edit2: Embedded youtube vid not showing up for some reason.

 

You can watch the video by clicking this image:

0.jpg

https://www.youtube.com/watch?v=se1hc8p_AIc

great minds think alike…

Yup, I did the same with a 10 segment bar graph display. Well, actually 5 bars going each way. Best lookin’ mouth ever. The 3914/15 is awesome.

Excellent,I was just

Excellent,

I was just thinking of doing something like this. I need to assemble my bot first and make everything else works but an LED based mouth is in the works at some point. I was thinking a single row of the rectangular LEDs would be cool.