Flashing LED

Alternate red and green flashing LED using 9 volt battery

Alternate Flashing LED

Part list

    1. R1,R2 – 100 Ohm
    2. R3,R4 – 105 K
    3. C1,C2 – 10 μF 25 Volt
    4. T1-T2 – BC 548
    5. D1-D5 – Red LED
    6. D6-D10 – Green LED
    7. 9 Volt Battery

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