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Uploaded by gyhongyu on Mar 29, 2010
使用AT89S51計時器產生50HZ,Dutytime為20ms的脈波,再控制高電位時間分別是2.2ms左轉,1.5ms置中,0.9ms右轉,即可控制
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應該借一個近拍的相機來攝影
choria001 10 months ago
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應該借一個近拍的相機來攝影
choria001 10 months ago