32
edits
Line 15: | Line 15: | ||
schematic for 555 timer in astable mode with speaker and different conductive materials | schematic for 555 timer in astable mode with speaker and different conductive materials | ||
[[File: | [[File:555 astable 2a.jpg]] | ||
== Assignment 2: momentary switch== | == Assignment 2: momentary switch== |
edits