This post describes how to create a Dual LED Flasher using CD4047. This Dual LED Flasher is a circuit that runs on 3.7 v Battery. A 50K Preset is used to change the Flasher Speed in this Ciruit.
Dual LED Flasher Circuit Diagram :
I designed circuit diagram from Easy Eda Site
Components Needed :
- CD4047 IC – 1
- Blue LED – 1
- Red LED – 1
- 4.7uf Capacitor – 1
- 50k Preset – 1
Tools Needed :
- Soldering Iron
- Holding Stand
- Soldering Stand
- Lead
- Past
- cutter
what if I replace 50K preset with 10k and 4.7microF capacitor with 47microF??? what will happen? please explain. it’ll help me.