Mystery box - test-drb@ccmp.vtda.org

12 Jul 2005

At 01:55 PM 7/12/2005, you wrote:
...
 The 74LS181 in the middle is a 4-bit ALU. Maybe it
displays a mathematical
result of some sort? 
Displaying two channels of something in a log-y looking scale.
I'll guess an audio meter.  It looks like it's been scavenged
of its P1/P2 switch.

- John