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༧ࢉిࢠ࡞ 7ͷ࡞Γํ Naomasa Matsubayashi
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͍·Ͳ͖ͷϚΠίϯ 7ۦಈ
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סిຊͰ࡞ͬͨ7Ͱಈ͘ଟ͍͚Ͳ
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<7> סిͷిѹঃʑʹԼ͕͍ͬͯ͘ ˞άϥϑΠϝʔδͰ͢ ࠷Ͱ7Λཁٻ͢ΔσόΠε͕ಈ͚Δ͔ᷮͳظؒ
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҆ఆͨ͠7Λ࡞Ζ͏
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HOLTEK HT7733A 7Ҏ্ͷೖྗ͔Β ࠷େN"ͷ7Λ࡞Δ ঢѹ%$%$ίϯόʔλ
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HOLTEK HT7733A σδοτͰԁ http://eleshop.jp/shop/g/g7CJ311/
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HT7733A V) V' V' 7Ҏ্7ҎԼͷ ԿΒ͔ͷిѹ 7 (/% -9 7065
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ϒϨουϘʔυͰΈཱͯΑ͏
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༻ҙ͢Δͷ ˞͜ͷࣸਅʹඞཁͳδϟϯύϫΠϠ͕ຊ͍ࣸͬͯͳ͍ ඞཁͳ࣍ͷεϥΠυΛ֬ೝ͠Α͏
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༻ҙ͢Δͷ ϒϨουϘʔυ ిϘοΫε୯Y ిղίϯσϯαV' ిղίϯσϯαV' γϣοτΩόϦΞμΠΦʔυ ίΠϧV' ԁ ԁ ݸͰԁ ݸͰԁ ԁ ݸͰԁ අ༻ͷΊ͢ ෦
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ిղίϯσϯαV' ిղίϯσϯαV' γϣοτΩόϦΞμΠΦʔυ ίΠϧV' ୯ܗסి δϟϯύϫΠϠຊ ݸͰԁ ݸͰԁ ԁ ݸͰԁ ݸͰԁ ԁ ߹ܭ ηοτลΓԁ )5" ԁ ॳճʹඞཁͳඅ༻ԁ
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ಈ࡞֬ೝʹඞཁͳͷ
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ಈ࡞֬ೝʹඞཁͳͷ ॱํిѹ7Ҏ্ఆ֨N"ͷ-&% ߅Њ ݸͰԁ ݸͰԁ ߹ܭ ηοτลΓԁ අ༻ͷΊ͢ ෦ ॳճʹඞཁͳඅ༻ԁ ిࢠ෦·ͱΊͯങ͏ఔ͍҆ ͓༑ୡ͕طʹిࢠ࡞Λ͍ͯ͠ΔͳΒ ͜ΕΒͷ෦Λ͍࣋ͬͯͳ͍͔ฉ͍ͯΈΑ͏
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δϟϯύϫΠϠͷ͏ͪຊΛిϘοΫεͷϫΠϠʹܨ͛Δ ా͕ͯ͝ແ͍߹ηϩϋϯςʔϓͰר͍͚ͯͬͯ͘ྑ͍
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ిͷଆΛGʹɺଆΛͷిݯϨʔϯͷϚεʹଓ
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K͔ΒిݯϨʔϯͷͷϚεʹV'ͷίϯσϯαΛ͚Δ ిղίϯσϯαͷ͖ʹҙ7ͷҹ͕͍ͭͨํΛଆʹ
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I͔ΒHʹV)ͷίΠϧΛଓ
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)5"ΛฏΒͳ໘͕ίΠϧͷํΛ͘Α͏ʹGGGʹଓ
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J͔ΒͷిݯϨʔϯͷϚεʹμΠΦʔυΛଓ
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HͱͷిݯϨʔϯͷϚεΛδϟϯύϫΠϠͰଓ
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IͱͷిݯϨʔϯͷϚεΛδϟϯύϫΠϠͰଓ
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ͷిݯϨʔϯͷϚε͔ΒͷిݯϨʔϯͷϚεʹ V'ͷిղίϯσϯαΛଓ ͖ʹҙ
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GND 3.3V
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ಈ࡞֬ೝ
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סిຊͷిѹ 7 ͰޫΒͳ͍7ͷ-&% ҙผʹ͜Μͳߴ͍-&%Ͱͳͯ͘ྑ͍
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ͷిݯϨʔϯʹЊͷ߅Λଓ
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߅Λܨ͍ͩઌ͔ΒͷిݯϨʔϯʹ-&%Λଓ
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ޫͬͨ
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7ͩ
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N"·ͰͱΕΔ ిࢠ࡞ͰΑ͘͏ϚΠίϯఔͳΒ༨༟Ͱಈ͔ͤΔ
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HT7733AͷΘΓʹ HT7750AΛ͑ 5VΛ࡞ΕΔ
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·ͱΊ HT7733Aͱز͔ͭͷ෦ΛΈ߹Θͤͯ ҆ఆͨ͠3.3VΛ࡞Δࣄ͕ग़དྷΔ