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  • Stepped Timer (ART726E)
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Circuit Bench

  • Mechanical bistable (CB9228E)

      Found in an Elektor from the 90s, this TTL circuit can be used as a shield without any bouncing...

  • Nanoammeter (CB12009E)

      This circuit allows the measurement of very weak currents indicated on an analog instrument or...

  • Garden Humidity Sensor (CB11495E)

      This circuit was found in an English magazine from 1976. The transistors can be the BC548. The...

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