低予算電子工作 3.3Vの作り方

Transcript

1. ௿༧ࢉిࢠ޻࡞ 7ͷ࡞Γํ Naomasa Matsubayashi

2. ͍·Ͳ͖ͷϚΠίϯ 7ۦಈ

3. סి஑ຊͰ࡞ͬͨ7Ͱಈ͘෺΋ଟ͍͚Ͳ

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

5. ҆ఆͨ͠7Λ࡞Ζ͏

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

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

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

9. ϒϨουϘʔυͰ૊ΈཱͯΑ͏

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

11. ༻ҙ͢Δ΋ͷ ϒϨουϘʔυ ి஑ϘοΫε୯Y ిղίϯσϯα
    V' ిղίϯσϯα
    V' γϣοτΩόϦΞμΠΦʔυ ίΠϧ
    V' ԁ ԁ ݸͰԁ

    ݸͰԁ ԁ ݸͰԁ අ༻ͷΊ΍͢ ෦඼

12. ిղίϯσϯα
    V' ిղίϯσϯα
    V' γϣοτΩόϦΞμΠΦʔυ ίΠϧ
    V' ୯ܗסి஑ δϟϯύϫΠϠ
    ຊ ݸͰԁ ݸͰԁ ԁ ݸͰԁ

    ݸͰԁ ԁ ߹ܭ ηοτลΓԁ )5" ԁ ॳճʹඞཁͳඅ༻ԁ

13. ಈ࡞֬ೝʹඞཁͳ΋ͷ

14. ಈ࡞֬ೝʹඞཁͳ΋ͷ ॱํ޲ిѹ7Ҏ্ఆ֨N"ͷ-&% ఍߅
    Њ ݸͰԁ ݸͰԁ ߹ܭ ηοτลΓԁ අ༻ͷΊ΍͢ ෦඼ ॳճʹඞཁͳඅ༻ԁ

    ిࢠ෦඼͸·ͱΊͯങ͏ఔ͍҆
    ͓༑ୡ͕طʹిࢠ޻࡞Λ͍ͯ͠ΔͳΒ
    ͜ΕΒͷ෦඼Λ͍࣋ͬͯͳ͍͔ฉ͍ͯΈΑ͏

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

16. ి஑ͷ ଆΛGʹɺଆΛͷిݯϨʔϯͷϚε໨ʹ઀ଓ

17. K͔ΒిݯϨʔϯͷͷϚε໨ʹV'ͷίϯσϯαΛ෇͚Δ ిղίϯσϯαͷ޲͖ʹ஫ҙ
    7ͷҹ͕͍ͭͨํΛଆʹ

18. I͔ΒHʹV)ͷίΠϧΛ઀ଓ

19. )5"ΛฏΒͳ໘͕ίΠϧͷํΛ޲͘Α͏ʹG
    G
    Gʹ઀ଓ

20. J͔Β ͷిݯϨʔϯͷϚε໨ʹμΠΦʔυΛ઀ଓ

21. Hͱ ͷిݯϨʔϯͷϚε໨ΛδϟϯύϫΠϠͰ઀ଓ

22. IͱͷిݯϨʔϯͷϚε໨ΛδϟϯύϫΠϠͰ઀ଓ

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

24. ׬੒ GND 3.3V

25. ಈ࡞֬ೝ

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

27. ͷిݯϨʔϯʹЊͷ఍߅Λ઀ଓ

28. ఍߅Λܨ͍ͩઌ͔ΒͷిݯϨʔϯʹ-&%Λ઀ଓ

29. ޫͬͨ

30. 7ͩ

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

32. HT7733Aͷ୅ΘΓʹ HT7750AΛ࢖͑͹ 5VΛ࡞ΕΔ

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