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  1. H

    Electronics project with useful purpose?

    are there any? I need something simple.
  2. H

    Where can I add a potentiometer in this tone generator circuit such that the

    potentiometer controls amplitude? http://tinypic.com/r/x2vv2c/7
  3. H

    What electronics project can I make out of these parts?

    I am bored and I found these electronics parts in spare. But I'm not sure what to make out of them. What can I make? CAPACITORS Ceramic: nF 20 5 10 40 100 Electrolytic: uF 220 33 1 4.7 Variable: 60pF IC: 741 555 386 RESISTORS: 10k 1k 120 210 22k 50k 82k 56 20k 220 100 15k 200k 33 8...
  4. H

    What electronic can I make out of these electronics parts?

    I need ideas for my science project and i only have these parts: CAPACITORS: 5nF 20nF 10nF 20pF 47pF 15pF Electrolytic: 33uF 220uF Variable: 60pF TRANSISTORS: 42 ohm 24k ohm 15k 10k 100 ohm 20k 200k Others: LM741 Op-Amp Breadboard 1ohm speaker...
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