?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SISTEM+FOTOAKUSTIK+SEDERHANA+UNTUK+DETEKSI+KADAR%0D%0ATIMBAL+PADA+AIR+BERBASIS+LASER+DIODA+DAN+MIKROFON%0D%0A%0D%0AKONDENSER+MENGGUNAKAN+PYTHON&rft.creator=Imtiyas+%2C+Azzahra%09&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Telah+direalisasikan+pembuatan+system+fotoakustik+sederhana+berbasis+laser+dioda%0D%0A450+nm+dan+mikrofon+kondenser+menggunakan+Python%2C+yang+bertujuan+untuk%0D%0Amendeteksi+kadar+timbal+pada+air.+Python+bertindak+sebagai+realisasi+GUI+sebagai%0D%0Asistem+kendali+yang+terintegrasi+dalam+satu+mikrokontroler+yakni+arduino+uno.%0D%0ASelain+itu%2C+Python+juga+dimanfaatkan+dalam+proses+perekaman+dan+pengolahan+data.%0D%0APembuatan+GUI+memanfaatkan+library+tkinter%2C+proses+perekaman+memanfaatkan%0D%0Alibrary+pyaudio%2C+serta+dalam+proses+pengolahan+data+memanfaatkan+library%3Anumpy%2C%0D%0Ascipy%2C+pandas%2C+serta+matplotlib+untuk+merepresentasikan+gelombang+bunyi+yang%0D%0Adidapatkan.+Metode+yang+digunakan+dalam+penelitian+ini+meliputi+pengumpulan%0D%0Adata+dari+suatu+sampel+yang+telah+diketahui+kadar+timbalnya.+Data+tersebut%0D%0Adiperoleh+dengan+melakukan+pengulangan+sebanyak+5+kali+pada+setiap+sampel%0D%0Adisetiap+kategorinya.+Terdapat+dua+jenis+kategori+sampel+yang+digunakan%2C+kategori%0D%0AI+merupakan+larutan+timbal+yang+dicampurkan+dengan+asam+tanat+dan+dikondisikan%0D%0Akedalam+pH+9.+Sedangkan+kategori+II+merupakan+larutan+timbal+murni+tanpa%0D%0Apercampuran+apapun.+Persamaan+yang+didapatkan+pada+sampel+kategori+I+adalah%0D%0A0%2C014x+%2B+0%2C9851+dengan+nilai+R%0D%0A2%0D%0Asebesar+0%2C8516+sedangkan+pada+sampel+kategori+II%0D%0A%0D%0Aadalah+0%2C014x+%2B+0%2C+0286+dengan+nilai+R%0D%0A2%0D%0Asebesar+0%2C+8643.+Data+yang+sudah+diperoleh%0D%0Atersebut+kemudian+dilakukan+pengujian+pada+lima+jenis+air+yang+diambil+dari+area%0D%0Asekitar+kota+Bandar+Lampung.+Pada+pengujian+tersebut+diperoleh+eror+sebesar+2%25%0D%0Adengan+akurasi+98%25.+Berdasarkan+penelitian+yang+telah+dilakukan+diketahui+bahwa%0D%0Asemakin+tinggi+konsentrasi+timbal+dalam+suatu+larutan+akan+menghasilkan+besar%0D%0Anilai+intensitas+bunyi+yang+semakin+besar.%0D%0AKata+kunci%3A+Arduino+uno%2C+Fotoakustik%2C+Laser+dioda%2C+Mikrofon+kondenser%2C+Python%0D%0AThe+development+of+a+simple+photoacoustic+system+to+detect+lead+levels+in+water%0D%0Ahas+been+realized.+The+system+is+based+on+a+450+nm+laser+diode+and+a+condenser%0D%0Amicrophone+and+is+controlled+by+an+Arduino+Uno+microcontroller+using+Python.%0D%0APython+is+used+for+the+graphical+user+interface+and+for+recording+and+processing%0D%0Adata.+The+GUI+creation+utilized+the+tkinter+library%2C+the+recording+process+utilized+the%0D%0Apyaudio+library%2C+and+the+data+processing+process+utilised+the+libraries%3A+numpy%2C+scipy%2C%0D%0Apandas%2C+and+matplotlib+to+represent+the+sound+waves+obtained.+The+method+used+in%0D%0Athis+research+includes+collecting+data+from+samples+that+have+known+lead+levels.%0D%0AThe+data+was+obtained+by+repeating+each+sample+in+each+category+five+times.+There%0D%0Aare+two+categories+of+samples%3A+Category+I+consists+of+lead+solutions+mixed+with%0D%0Atannic+acid+and+conditioned+to+pH+9%2C+while+Category+II+comprises+pure+lead%0D%0Asolutions+without+any+mixing.+The+equation+obtained+for+category+I+samples+was%0D%0A0.014x+%2B+0.9851+with+an+R%0D%0A%0D%0A2+value+of+0.8516%2C+while+for+category+II+samples%2C+it+was%0D%0A%0D%0A0.014x+%2B+0.0286+with+an+R%0D%0A%0D%0A2+value+of+0.8643.+The+data+that+was+obtained+was+then%0D%0Atested+on+five+types+of+water+taken+from+areas+around+the+city+of+Bandar+Lampung.%0D%0AThe+test+yielded+a+2%25+error+with+98%25+accuracy.+From+the+conducted+research%2C+it+is%0D%0Aknown+that+higher+concentrations+of+lead+in+a+solution+result+in+increased+sound%0D%0Aintensity+values.%0D%0A%0D%0AKeywords%3A+Arduino+uno%2C+Condenser+microphone%2C+Dioda+laser%2C+Photoacoustic%2C%0D%0APython&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2024-01-15&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F83794%2F1%2FABSTRAK%2520-%2520Imtiyas%2520Azzahra.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F83794%2F2%2FSKRIPSI%2520FULL%2520-%2520Imtiyas%2520Azzahra.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F83794%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Imtiyas%2520Azzahra.pdf&rft.identifier=++Imtiyas+%2C+Azzahra+++(2024)+SISTEM+FOTOAKUSTIK+SEDERHANA+UNTUK+DETEKSI+KADAR+TIMBAL+PADA+AIR+BERBASIS+LASER+DIODA+DAN+MIKROFON+KONDENSER+MENGGUNAKAN+PYTHON.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F83794%2F