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ๆฆ่ฆใArduinoใงๆญฃๅผฆๆณขใไฝใใพใใUNOใงใฏๆฌๅฝใฎใขใใญใฐๅบๅ๏ผDAC๏ผใฏใงใใชใใฎใงPWMๅบๅใจSIN้ขๆฐใไฝฟ็จใใฆ็ไผผๆญฃๅผฆๆณขใๅบๅใใฆใฟใพใใใPWMๅบๅ๏ผ้๏ผใฎใใฅใผใใฃๆฏใๅคๅใใใฆๆญฃๅผฆๆณข/SIN๏ผ่ตค๏ผใจใชใใใใซ็ไผผ็ใซๅบๅ...