?url_ver=Z39.88-2004&rft_id=1517041112&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=RANCANG+BANGUN+ALAT+SHAKER+DENGAN+INPUT+MENGGUNAKAN+KEYPAD+BERBASIS+ARDUINO&rft.creator=ELSYANA+SEPTIANI%2C+15170411112&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=ABSTRAK%0D%0APada+penelitian+ini+telah+direalisasikan+pembuatan+alat+shaker+orbital+dengan+menggunakan+keypad+sebagai+input+rpm+dan+waktu+berbasis+Arduino+uno.+Shaker+orbital+merupakan+alat+yang+digunkan+untuk+menghomegenisasi+seuatu+larutan+kimia.+Alat+shaker+orbital+dirancang+untuk+dapat+mengaduk+atau+mencampur+larutan+kimia+dengan+gerakan+secara+melingkar+dengan+berbagai+fitur+menu+yang+dapat+menampilkan+nilai+rpm+dan+waktu+pengadukan%2C+menggunakan+motor+stepper+NEMA+17+sebagai+penggerak+utama%2C+keypad+membran+4x4+sebagai+input%2C+arduino+uno+sebagai+prosesor+dan+display+TM1637+sebagai+penampil+rpm+dan+waktu.+Pengujian+alat+shaker+orbital+diawali+dengan+kalibrasi+alat+yaitu+kalibrasi+rpm+dan+waktu%2C+kalibrasi+rpm+dilakukan+dengan+mengukur+kesesuaian+rpm+yang+diinput+menggunakan+alat+tachometer+laser%2C+sedangkan+kalibrasi+waktu+dilakukan+menggunakan+stopwatch+untuk+mengetahui+nilai+error+dari+sistem.+Hasil+yang+diperoleh+untuk+kalibrasi+rpm+adalah+nilai+error+rata-rata+sebesar+0%2C36+%25+dengan+nilai+akurasi+99%2C62+%25+dan+presisi+99%2C58+%25%2C+sedangkan+untuk+kalibrasi+waktu+diperoleh+nilai+error+rata-rata+yaitu+0%2C15+%25+dengan+nilai+akurasi+99%2C84+%25+dan+presisi+99%2C88+%25.+Selanjutnya+dilakukan+pengukuran+rpm+dengan+menggunakan+beban+berupa+larutan+seberat+100-1000+g+dengan+nilai+penambaan+setiap+100+g+dilakukan+pengujian+rpm+mulai+dari+100-500+rpm.+Hasil+yang+diperoleh+berupa+fungsi+kerja+optimal+dari+alat+shaker+orbital+yang+dirancang+yaitu+rpm+optimal+adalah+100-450+rpm+dengan+beban+100-600+g.+%0D%0A+Kata+Kunci%3A+orbital+shaker%2C+rpm%2C+motor+stepper%2C+keypad%2C+arduino+uno.%0D%0A%0D%0A%0D%0AABSTRACT+%0D%0AIn+this+research%2C+the+manufacturer+of+an+orbital+shaker+device+has+realized+using+a+keypad+as+an+input+of+rpm+and+time+based+on+Arduino+Uno.+An+orbital+shaker+is+a+device+used+to+homogenize+a+chemical+solution.+The+orbital+shaker+is+designed+to+be+able+to+stir+or+mix+chemical+solutions+in+a+circular+motion+with+various+menu+features+that+can+display+the+rpm+value+and+stir+time%2C+using+a+NEMA+17+stepper+motor+as+the+main+motor%2C+a+4x4+membrane+keypad+as+an+input%2C+an+Arduino+Uno+as+a+processor+and+a+TM1637+display.+As+the+rpm+and+time+viewer.+Testing+of+the+orbital+shaker+tool+begins+with+the+device's+calibration%2C+namely+the+rpm+and+time+calibration.+The+rpm+calibration+is+carried+out+by+measuring+the+conformity+of+the+inputted+rpm+using+a+laser+tachometer.+While+the+time+calibration+is+carried+out+using+a+stopwatch+to+determine+the+error+value+of+the+system.+The+results+obtained+for+the+rpm+calibration+are+an+average+error+value+of+0.36+%25+with+an+accuracy+value+of+99.62%25%2C+and+a+precision+of+99.58+%25.+In+comparison+for+time+calibration%2C+the+average+error+value+is+0.15%25%2C+with+an+accuracy+value+of+99%2C84%25+and+99%2C88%25+precision.+Furthermore%2C+the+rpm+measurement+was+carried+out+using+a+load+in+the+form+of+a+solution+weighing+100-1000+g+with+an+additional+value+of+every+100+g%2C+and+the+rpm+testing+was+carried+out+starting+from+100-500+rpm.+The+results+obtained+are+the+optimal+work+function+of+the+designed+orbital+shaker.+The+optimal+rpm+is+100-450+rpm+with+a+load+of+100-600+g.%0D%0AKeywords%3A+orbital+shaker%2C+rpm%2C+motor+stepper%2C+keypad%2C+arduino+uno.%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2022-05-27&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62835%2F1%2FABSTRAK%2520ELSYANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62835%2F2%2FSKRIPSI%2520ELSYANA%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62835%2F3%2FSKRIPSI%2520ELSYANA%2520TANPA%2520PEMBAHASAN.pdf&rft.identifier=++ELSYANA+SEPTIANI%2C+15170411112++(2022)+RANCANG+BANGUN+ALAT+SHAKER+DENGAN+INPUT+MENGGUNAKAN+KEYPAD+BERBASIS+ARDUINO.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F62835%2F