?url_ver=Z39.88-2004&rft_id=1917041022&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PRODUKSI+ALAT+ORBITAL+SHAKER+DENGAN+PENGATUR+WAKTU%0D%0ADAN+KECEPATAN+PUTAR+MENGGUNAKAN+POTENSIOMETER+%0D%0ABERBASIS+ARDUINO+UNO&rft.creator=Icha+Arum+%2C+Vicias+&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Telah+direalisasikan+pembuatan+alat+orbital+shaker+yang+digunakan+untuk%0D%0Amencampurkan+larutan+dengan+gerakan+satu+arah.+Alat+orbital+shaker+dirancang%0D%0Amenggunakan+motor+DC+sebagai+penggerak%2C+driver+motor+L298N%2C+Arduino+Uno%0D%0Asebagai+prosesor%2C+potensiometer+untuk+mengatur+nilai+kecepatan+dan+waktu+putar%2C%0D%0Aseven+segment+TM1637+untuk+menampilkan+nilai+yang+diatur+tersebut%2C+serta+push%0D%0Abutton+sebagai+tombol+start+dan+reset.+Pengujian+alat+orbital+shaker+diawali+dengan%0D%0Amenginput+nilai+PWM+pada+potensiometer%2C+lalu+mengukur+nilai+kecepatan+putar%0D%0Amotor+DC+(rpm)+menggunakan+tachometer.+Pengujian+yang+telah+dilakukan%0D%0Adiperoleh+bahwa+pada+saat+nilai+input+PWM+ditambahkan%2C+nilai+kecepatan+putar%0D%0Amotor+DC+juga+akan+bertambah.+Selanjutnya%2C+pengujian+kalibrasi+alat+yaitu+kalibrasi%0D%0Anilai+kecepatan+putar+(rpm)+dan+waktu+dengan+cara+membandingkan+nilai+yang%0D%0Adiinput+potensiometer+dengan+nilai+yang+terukur+alat+standar.+Hasil+yang+didapatkan%0D%0Adari+pengujian+kalibrasi+kecepatan+putar+yaitu+nilai+error+rata+%E2%80%93+rata+sebesar+1%2C09%25%2C%0D%0Aakurasi+98%2C91%25%2C+dan+presisi+99%2C77%25%2C+sedangkan+pada+kalibrasi+waktu+didapatkan+%0D%0Anilai+error+rata+%E2%80%93+rata+2%2C45%25%2C+akurasi+97%2C55%25%2C+dan+presisi+99%2C99%25.+Kemudian%2C+%0D%0Amelakukan+pengujian+kecepatan+putar+dengan+menggunakan+beban+larutan+sebesar%0D%0A100+%E2%80%93+1000+g+dan+setiap+kelipatan+100+g+dilakukan+pengujian+kecepatan+putar+dari%0D%0A240+%E2%80%93+360+rpm.+Hasil+yang+didapatkan+yaitu+pada+saat+diberikan+beban%2C+nilai%0D%0Akecepatan+putar+yang+diinput+dengan+yang+terukur+tachometer+terjadi+penurunan.%0D%0AAlat+orbital+shaker+dapat+berputar+dengan+range+kecepatan+putar+sebesar+240+%E2%80%93+374%0D%0Arpm+dan+waktu+maksimal+90+menit+dengan+beban+maksimal+1000+g.%0D%0A%0D%0AKata+Kunci+%3A+orbital+shaker%2C+motor+DC%2C+potensiometer%2C+Arduino+Uno.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0Aabstract%0D%0A%0D%0AThe+creation+of+the+orbital+shaker+apparatus%2C+used+for+mixing+solutions+with%0D%0Aunidirectional+motion%2C+has+been+successfully+realized.+The+orbital+shaker+is%0D%0Adesigned+with+a+DC+motor+as+the+driving+mechanism%2C+an+L298N+motor+driver%2C+an%0D%0AArduino+Uno+as+the+processor%2C+a+potentiometer+for+adjusting+speed+and+rotation%0D%0Atime+values%2C+a+TM1637+seven-segment+display+for+showing+the+set+values%2C+and+push%0D%0Abuttons+for+start+and+reset+functions.+The+testing+of+the+orbital+shaker+begins+by%0D%0Ainputting+PWM+values+via+the+potentiometer+and+measuring+the+rotational+speed+of%0D%0Athe+DC+motor+(in+rpm)+using+a+tachometer.+The+testing+has+demonstrated+that+when%0D%0Athe+PWM+input+values+are+increased%2C+the+DC+motor's+rotational+speed+also%0D%0Aincreases.+Subsequently%2C+the+calibration+testing+of+the+apparatus+involves%0D%0Acalibrating+the+rotational+speed+values+(rpm)+and+time+by+comparing+the+input%0D%0Avalues+from+the+potentiometer+with+the+values+measured+by+a+standard+device.+The%0D%0Aresults+obtained+from+the+rotational+speed+calibration+testing+include+an+average%0D%0Aerror+of+1.09%25%2C+accuracy+of+98.91%25%2C+and+precision+of+99.77%25.+In+the+time+%0D%0Acalibration+testing%2C+an+average+error+of+2.45%25%2C+accuracy+of+97.55%25%2C+and+precision+%0D%0Aof+99.99%25+were+obtained.+Next%2C+speed+testing+was+conducted+using+a+solution+load%0D%0Aranging+from+100+to+1000+grams%2C+with+increments+of+100+grams%2C+and+rotational%0D%0Aspeed+testing+from+240+to+360+rpm.+The+results+showed+that+when+a+load+was%0D%0Aapplied%2C+there+was+a+decrease+in+the+measured+rotational+speed+compared+to+the%0D%0Ainput+speed.+The+orbital+shaker+can+operate+within+a+rotational+speed+range+of+240%0D%0Ato+374+rpm+and+has+a+maximum+runtime+of+90+minutes+with+a+maximum+load+of+1000%0D%0Agrams.%0D%0A%0D%0AKeywords+%3A+orbital+shaker%2C+DC+motor%2C+potentiometer%2C+Arduino+Uno.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2023-09-12&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F75763%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F75763%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F75763%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Icha+Arum+%2C+Vicias+++(2023)+PRODUKSI+ALAT+ORBITAL+SHAKER+DENGAN+PENGATUR+WAKTU+DAN+KECEPATAN+PUTAR+MENGGUNAKAN+POTENSIOMETER+BERBASIS+ARDUINO+UNO.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F75763%2F