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Recent content by hako90210

  1. H

    need a suggestion for a 2x AAA to 5V step up circuit

    And the final circuit .. Now I need a tiny 2 x AAA charging circuit on the exact same size board.. anybody.
  2. H

    What is a good trigger for a step-o-meter ?

    wow great help , everyone over the age of 5 knows about the pedometer , they come in phones now please stay on topic , the question for an effective switch for counting steps/impact
  3. H

    What is a good trigger for a step-o-meter ?

    I'm trying to build a circuit to count the number of steps when I go on a run. I need to know the best way to trigger the action of taking a step. The 4 digit counter is no probl em but a switch in the shoes doesn't sound like a good idea. What are some of the other methods to trigger this. I...
  4. H

    need a suggestion for a 2x AAA to 5V step up circuit

    Well it worked , I'm sure the 1709 is more efficient and powerful but this seems to do the job.
  5. H

    need a suggestion for a 2x AAA to 5V step up circuit

    The entire city of Toronto didn't have a max1709 or lm2621. The only place I could have bought it was through digikey.ca . So I took a suggestion from the guy at creatron for max756. Looks like it will do pretty much the same. Total cost $15 with board, caps,socket ic etc.. here goes my first...
  6. H

    need a suggestion for a 2x AAA to 5V step up circuit

    well that sounds pretty good , I'll give it a shot , this is my first time trying to build such a thing. I managed to do some board level repair on a few of laptops and then I got a 300-in-1 hobby kit and I'm now I'm in electronics land , hope it works out and they include some schematic .. Is...
  7. H

    need a suggestion for a 2x AAA to 5V step up circuit

    Not bad but isn't the lm2621 a better choice , this chip seems to need 3.3v
  8. H

    need a suggestion for a 2x AAA to 5V step up circuit

    I'm trying to power a gps in a little box and only have space for 2 x AAA and a few small chips or wires.. I need min 3.3v @ 125ma as this document says .. **broken link removed** Does anyone have a suggestion on the best way to power this gps in the pdf with 2 x AAA.. I was looking at the...
  9. H

    need a suggestion for a 5V DC step up circuit

    I'm trying to power a gps in a little box and only have space for 2 x AA and a few wires.. I need min 3.3v @ 125ma as this document says .. **broken link removed** Does anyone have a suggestion on the best way to power this gps in the pdf with 2 x AA.. I was looking at the LM2621 but don't know...

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