| light
sensor
|
|
| 555
in Mono Stable mode (timer circuit) |

|
| 555
in AStable mode (Oscillator/Flasher) |

|
| 555
in Mono Stable mode - Connected to - 4017 Decade Counter
- LED outputs |

|
| 555
in AStable mode - Connected to - 4017 Decade counter -
LED outputs |

|
| 555
in Mono Stable mode - Connected to - 555 in AStable mode
- Connected to - 4017 Decade Counter - LED outputs |

|
| 555
in AStable mode - Connected to - 4026 Decade counter with
7 Seg Decoded output - 7 Seg Display output |

|
| 555
in AStable mode - Connected to - 2 x casceded 4026 Decade
counters with 7 Seg Decoded output -2 x 7 Seg Display
outputs |

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| |