Search results
Create the page "555 internals.gif" on this wiki! See also the page found with your search.
- [[File:555 internals.gif|frame|right|Figure 1 - the internals of the NE555N timer chip connected to Figure 3 shows the complete schematic for the control logic and the fan. 555 is the timer chip. D1 and D2 control which section of the potentiometer P19 KB (1,606 words) - 01:11, 1 July 2013