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低予算電子工作 3.3Vの作り方

低予算電子工作 3.3Vの作り方

ブレッドボードに簡単に安定した3.3Vを供給する方法を解説します

Fadis

May 09, 2015
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  1. ௿༧ࢉిࢠ޻࡞
    7ͷ࡞Γํ
    Naomasa Matsubayashi

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  2. ͍·Ͳ͖ͷϚΠίϯ
    7ۦಈ

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  3. סి஑ຊͰ࡞ͬͨ7Ͱಈ͘෺΋ଟ͍͚Ͳ

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  4. <7>
    סి஑ͷిѹ͸ঃʑʹԼ͕͍ͬͯ͘
    ˞άϥϑ͸ΠϝʔδͰ͢
    ࠷௿Ͱ΋7Λཁٻ͢ΔσόΠε͕ಈ͚Δ͔ᷮͳظؒ

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  5. ҆ఆͨ͠7Λ࡞Ζ͏

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  6. HOLTEK
    HT7733A
    7Ҏ্ͷೖྗ͔Β
    ࠷େN"ͷ7Λ࡞Δ
    ঢѹ%$%$ίϯόʔλ

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  7. HOLTEK
    HT7733A
    σδοτͰԁ
    http://eleshop.jp/shop/g/g7CJ311/

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  8. HT7733A
    V)
    V' V'
    7Ҏ্7ҎԼͷ
    ԿΒ͔ͷిѹ
    7
    (/%
    -9 7065

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  9. ϒϨουϘʔυͰ૊ΈཱͯΑ͏

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  10. ༻ҙ͢Δ΋ͷ
    ˞͜ͷࣸਅʹ͸ඞཁͳδϟϯύϫΠϠ͕ຊ͍ࣸͬͯͳ͍
    ඞཁͳ෺͸࣍ͷεϥΠυΛ֬ೝ͠Α͏

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  11. ༻ҙ͢Δ΋ͷ
    ϒϨουϘʔυ
    ి஑ϘοΫε୯Y
    ిղίϯσϯαV'
    ిղίϯσϯαV'
    γϣοτΩόϦΞμΠΦʔυ
    ίΠϧV'
    ԁ
    ԁ
    ݸͰԁ
    ݸͰԁ
    ԁ
    ݸͰԁ
    අ༻ͷΊ΍͢
    ෦඼

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  12. ిղίϯσϯαV'
    ిղίϯσϯαV'
    γϣοτΩόϦΞμΠΦʔυ
    ίΠϧV'
    ୯ܗסి஑
    δϟϯύϫΠϠຊ
    ݸͰԁ
    ݸͰԁ
    ԁ
    ݸͰԁ
    ݸͰԁ
    ԁ
    ߹ܭ ηοτลΓԁ
    )5" ԁ
    ॳճʹඞཁͳඅ༻ԁ

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  13. ಈ࡞֬ೝʹඞཁͳ΋ͷ

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  14. ಈ࡞֬ೝʹඞཁͳ΋ͷ
    ॱํ޲ిѹ7Ҏ্ఆ֨N"ͷ-&%
    ఍߅Њ
    ݸͰԁ
    ݸͰԁ
    ߹ܭ ηοτลΓԁ
    අ༻ͷΊ΍͢
    ෦඼
    ॳճʹඞཁͳඅ༻ԁ
    ిࢠ෦඼͸·ͱΊͯങ͏ఔ͍҆
    ͓༑ୡ͕طʹిࢠ޻࡞Λ͍ͯ͠ΔͳΒ
    ͜ΕΒͷ෦඼Λ͍࣋ͬͯͳ͍͔ฉ͍ͯΈΑ͏

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  15. δϟϯύϫΠϠͷ͏ͪຊΛి஑ϘοΫεͷϫΠϠʹܨ͛Δ
    ൒ా͕ͯ͝ແ͍৔߹ηϩϋϯςʔϓͰר͍ͯͬ͘෇͚ͯ΋ྑ͍

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  16. ి஑ͷଆΛGʹɺଆΛͷిݯϨʔϯͷϚε໨ʹ઀ଓ

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  17. K͔ΒిݯϨʔϯͷͷϚε໨ʹV'ͷίϯσϯαΛ෇͚Δ
    ిղίϯσϯαͷ޲͖ʹ஫ҙ7ͷҹ͕͍ͭͨํΛଆʹ

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  18. I͔ΒHʹV)ͷίΠϧΛ઀ଓ

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  19. )5"ΛฏΒͳ໘͕ίΠϧͷํΛ޲͘Α͏ʹGGGʹ઀ଓ

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  20. J͔ΒͷిݯϨʔϯͷϚε໨ʹμΠΦʔυΛ઀ଓ

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  21. HͱͷిݯϨʔϯͷϚε໨ΛδϟϯύϫΠϠͰ઀ଓ

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  22. IͱͷిݯϨʔϯͷϚε໨ΛδϟϯύϫΠϠͰ઀ଓ

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  23. ͷిݯϨʔϯͷϚε໨͔ΒͷిݯϨʔϯͷϚε໨ʹ
    V'ͷిղίϯσϯαΛ઀ଓ ޲͖ʹ஫ҙ

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  24. ׬੒
    GND
    3.3V

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  25. ಈ࡞֬ೝ

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  26. סి஑ຊͷిѹ 7
    Ͱ͸ޫΒͳ͍7ͷ-&%
    ஫ҙผʹ͜Μͳߴ͍-&%Ͱͳͯ͘΋ྑ͍

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  27. ͷిݯϨʔϯʹЊͷ఍߅Λ઀ଓ

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  28. ఍߅Λܨ͍ͩઌ͔ΒͷిݯϨʔϯʹ-&%Λ઀ଓ

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  29. ޫͬͨ

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  31. N"·ͰͱΕΔ
    ిࢠ޻࡞ͰΑ͘࢖͏ϚΠίϯఔ౓ͳΒ༨༟Ͱಈ͔ͤΔ

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  32. HT7733Aͷ୅ΘΓʹ
    HT7750AΛ࢖͑͹
    5VΛ࡞ΕΔ

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  33. ·ͱΊ
    HT7733Aͱز͔ͭͷ෦඼Λ૊Έ߹Θͤͯ
    ҆ఆͨ͠3.3VΛ࡞Δࣄ͕ग़དྷΔ

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