Most popular timer IC: NE555?
Invented:Hans Camenzind
This IC is simple and fun to use because cool projects can be made from it.
It uses 4.5Volt to 16 volts(CMOS versions begin work on 2 volts).
Applications:
· pulse generation
· PWM
· Bistable
· Astable
·Light detector
· Servo controller And much more.
Pinout:
Some circuit projects:
![](https://steemitimages.com/0x0/https://cdn.instructables.com/FP2/IGIG/GI0TIGIA/FP2IGIGGI0TIGIA.MEDIUM.gif)
![](https://steemitimages.com/0x0/https://cdn.instructables.com/FIP/3UGL/GI0TIGIJ/FIP3UGLGI0TIGIJ.MEDIUM.gif)