Introduction: Bi Color LED Driver Circuit | Using 555 Timer IC | DIY | Easy | 5mm LED | Electronic Project
Hello , Today In This Tutorial I Am Going To Show You Step By Step ( Home Made )
How to make Bi Color LED Driver Circuit with the help of 555 Timer -- IC.
This Electronic Project is Very Simple Easy and DIY (Do It Yourself)
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Step 1: Hardware Required
- 1. NE55 Timer IC
- 2. Bi Color LED
- 3. 10uf Capacitor
- 4. 33k Resistor
- 5. 4.7k Resistor
- 6. 10k Resistor
- 7. 220 Resistor
- 8. BC557
- 9. 9V Battery + Clip
- 10. Breadboard
- 11. Jumper Wires
Step 2: Circuit Diagram
Step 3: Working Explanation
Hi in this circuit 555 timer ic is use to generate a specific pulse at output pin number 3
this pulse will gice high and low signal due to which the bi color led glow once red and once green
a transistor is used to amplify the output current to drive led
You can set any delay for ON OFF using different value of capacitors
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