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Circuit Bench

  • Alarm 555 (CB6778E)

           This alarm with the 555 integrated circuit is from an EDN from the 90s. The circuit directly...

  • Soft start dimmer (CB7202

    E)      This soft start dimmer was found in a Motorola documentation from 1968. However, it can be...

  • TTL Digital Lotto (CB11514E)

      This circuit, which draws numbers from 00 to 99, was found in an Italian magazine from 1974, but...

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