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  1. H

    Make electronics : experiment 8 problem

    Thanks for the posts and recommendations. I will check out Mims as I can see your point of view when it comes to understanding electronics. I enjoyed your honest opinions, so thanks for replying.
  2. H

    Make electronics : experiment 8 problem

    I only persisted with trying to understand because the book ' make electronics ' didn't explain that this would happen. I am trying to learn and i hope the book is a lot clearer in the future .If not , i may have to ask a question, i hope that is ok .I will try not to dig up any horses that...
  3. H

    Make electronics : experiment 8 problem

    Thank you. I think I understand. When the relay switches on and the power is cut to the coil, the capacitor powers the coil for about a second keeping the switch on but it also powers D1, so it looks like D1 stays lit. Is that it ?. I hope i have understood your very good explanation. I think...
  4. H

    Make electronics : experiment 8 problem

    D1 stays lit ,D2 flashes.
  5. H

    Make electronics : experiment 8 problem

    Hello there, mkel_02_065.pdf and mkel_02_066.pdf represents the circuit .I checked the errata, couldn't find any explanation of the problem of one led staying lit while the other one flashes. Any ideas KJ6EAD ?.
  6. H

    Make electronics : experiment 8 problem

    HI hevans1944, I have seen the flogging of this horse, which included problems an autistic man was having with this circuit .The thread was very long and did not answer why the first led stays lit while the second one flashes. I checked your google link. Thank you. Again...
  7. H

    Make electronics : experiment 8 problem

    Yes , Sorry my relay is the 12v version. Well observed. The circuit comes from Make electronics book, experiment 8.
  8. H

    Make electronics : experiment 8 problem

    Hello Colin, When you you press the button, D1 is supposed to light up.Then it goes out when the coil charges in the relay which switches on D2 .The capacitor is supposed to give the coil an extra boost to keep the switch to D2 on for about a second after which the relay goes...
  9. H

    Make electronics : experiment 8 problem

    This is the relay in my circuit M. Any ideas ?
  10. H

    Make electronics : experiment 8 problem

    How would I change the connections Mr Minder?
  11. H

    Make electronics : experiment 8 problem

    Hi, I was wondering if you could help me ?. I built this circuit and D2 stays lit while D1 flashes while I press the button .Is this what is supposed to happen?. I am new to this if you could explain that would be cool. Thank you.
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