## 4017B Chip

[cd4017b.pdf](cd4017b.pdf)

## LM555

[lm555.pdf](lm555.pdf)

## Arduino

[Arduino-Nano-Datasheet.pdf](Arduino-Nano-Datasheet.pdf.md)

## Potentiometers

[Preset Potentiometer (Trimpot).pdf](Preset%20Potentiometer%20(Trimpot).pdf)