Simple LED Flip-Flop for Beginners

by thunder_ir in Circuits > Electronics

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Simple LED Flip-Flop for Beginners

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A very simple Flip-Flop circut for beginners

Parts List

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Parts list:
- LED X2
- Resistor: 10K (brown-black-orange) X2

- Resistor: 1K (brown-black-red) X2

- Electrolytic capacitor: 100uF X2

- Transistor: NPN like BC108 X2

- 9V Battery with connector

- Striped wire

- Breadboard

- Spongebob assistant (optional)

Resistors

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1K : Brown - Black - Red

10K: Brown - Black - Orange

Put resistors on the breadboard like pictures.

LED

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Put LEDs on the breadboard like pictures.

Notice to polarity of LEDs

Capacitors

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Put capacotrs on the breadboard like pictures.

Polarity is not very important

Transistors

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Put transistors on the breadboard like pictures

Wiring

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Connect point 5 to 11

Connect point 6 to 8

Connect point 2 to 9

Connect point 4 to 12

Connect point 7 to 10

Battery

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connect + to point 13

connect - to point 10

You can use 3V to 9V battery

Run

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You can use larger capacitors (like 470uf) for slower flashing and smaller (like 47uf or 10uf) for faster flashing.

Use a larger capacitor (like 470uf) for slower,or a smaller one (like 47uf or 10uf)for a faster blinking.

Downloads

Refrence