[CW] Eric KE6US on Scratchy Dits

D.J.J. Ring, Jr. n1ea at arrl.net
Tue Jun 16 11:11:07 EDT 2020


G0KVL submits a video of the little LMC555 de-bounce circuit I sent and is
copied below.

From: CRAIG GØKVL <Mailcraigy at yahoo.com?subject=Re:%20Bug%20scratchiness>
Date: Tue, 16 Jun 2020 05:14:30 -05

I've done a very rough video to show it in action, should have done a
better one but hopefully it illustrates the clean up of the dots, I'm going
off/on off/on, I thought I got the box led in the shot, seems not.

https://youtu.be/J-LGwa0yaS4

The little box I'm using is a very cheap ebay special.
CRAIG GØKVL

*I use this circuit which works fabulous, it's based on a 555 timer, what
looks like pin 7 & 8 at the top is actually pins 4 & 8. *

*[image: db555schematic.png]*

>
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