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Latest

  • Stepped Timer (ART726E)
  • Electronic Circuit Breaker (ART727E)
  • Electronic Cockroach Killer (ART649E)
  • Two Projects with Ceramic Transducers (ART647E)

Circuit Bench

  • Power control with triac (CB21467E)

      Found in a 1967 RCA power manual, this circuit uses an ordinary neon lamp to fire a triac. The...

  • Biestable CMOS x TRIAC (CB12322E)

      This circuit is from an English publication from 1978, but it can be assembled with BC548 for TR2...

  • Programmable Frequency Divider 1 to 9999 (CB419)

    The input frequency of a signal applied to this circuit will be divided by one to 9999 in this...

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