HOW TO MAKE a Simple Flashing LED HEART (astable Multivibrator)

a simple astable multivibrator

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Step 1: Circiut Diagram

CIRCUIT DIAGRAM

Step 2: Components

4*220 ohm resistors

2*22k resistors

2*10uf capacitors

2*bc547 transistors

leds

Step 3: Testing

Step 4: Pcb

Step 5: Making the Case

Step 6: Video

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