Clues and Ideas

Articles
Title
2N4988 and 2N4989 (IP058E)
2N4983 and 2N4986 (IP055E)
2N4984 and 2N4985 (IP056E)
Three-Way Switch (IP053E)
Two Wire Control for Two Lamps (IP054E)
Two-Way Switch (IP052E)
Extracting Fuses (IP050E)
Hertz Loop (IP051)
Paper Clip as Alligator Clip (IP049E)

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Astable Duty Cycle (CB25655E)
This variable duty cycle circuit was found in the December 1993 issue of Electronics Now magazine. The...
TMP116 and TMP116N Digital Temperature Sensors - Texas
Texas Instruments TMP116 and TMP116N digital temperature sensors can be obtained from Mouser...
Isolation transformer with common transformers (CB8179E)
Found in a 1993 Electronics Hobbyst Handbook this circuit is a solution that we have already...