Baca RPM Motor DC [PDF]

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Baca RPM motor DC Sistem Kerja Alat: Baca putaran motor per menit /Rotasi Per Menit (RPM) pada motor DC. Sensor optocopler sebagai sensor pembaca jumlah putaran motor. Pada ujung as motor diberi piringan yang dilubangi sebanyak 36 lubang (code disc). Hasilnya ditampilkan pada LCD.



Kebutuhan Hardware :       



Sensor optocoupler slot Code disc (penghitung jumlah putaran motor) Motor DC Driver motor DC menggunakan IRF540N (Anda juga bisa menggunakan driver yang lain misalkan L298) LCD 2x16 Modul Arduino UNO Power supply +9Volt



Optocoupler Slot Penghitung jumlah putaran (code disc)



Motor DC



Diagram Blok:



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LCD 2x16 Arduino UNO



Motor DC Driver Motor DC



M Optocoupler



Schematics LCD1



VCC



LM016L



+12V



RV2 DUINO1



PC0/ADC0 PC1/ADC1 PC2/ADC2 PC3/ADC3 PC4/ADC4/SDA PC5/ADC5/SCL



D0 D1 D2 D3 D4 D5 D6 D7 7 8 9 10 11 12 13 14



RS RW E 4 5 6



AREF PB5/SCK PB4/MISO ~PB3/MOSI/OC2A ~ PB2/SS/OC1B ~ PB1/OC1A PB0/ICP1/CLKO



DIGITAL (~PWM)



ANALOG IN



PD7/AIN1



~ PD6/AIN0 PD5/T1 ~ PD4/T0/XCK ~ PD3/INT1 PD2/INT0 TX PD1/TXD RX PD0/RXD



R1



13 12 11 10 9 8



10k



Q1 IRF540



7 6 5 4 3 2 1 0



Q2



R2



INKUBATEK



PIN 6 PIN 5 PIN 4



2N2222 1k



R3 +5V



+5V



+5V



R5



ARDUINO UNO R3



U2:A



U1 4



C



A



1



4



33K



3 1 2



3



2 E K OPTOCOUPLER



+5V



R4 11



A0 A1 A2 A3 A4 A5



APK-TECH | techno-apk.blogspot.com



RESET



1 2 3



VSS VDD VEE



50K



1121 ATMEGA328P-PU



2



820 LM324



RV2 50K



1k



3



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Koneksi Optocoupler: Pin ARDUINO



Pin Optocouper



2



Output sensor



Koneksi Driver motor DC: Pin Arduino



Koneksi



6



In Driver motor DC



Koneksi Arduino UNO dengan LCD: Pin ARDUINO



LCD



8



RS



9



EN



Inkubatek [supported by : www.tokotronik.com]



4



10



D4



11



D5



12



D6



13



D7



Source Code/Sketch : /************************************* * Program : Project 12. Baca RPM motor DC * Input : Sensor Optocoupler * Output : LCD 2x16, Motor DC * 125 Proyek Arduino Inkubatek * www.tokotronik.com * ***********************************/ #include LiquidCrystal lcd(8, 9, 10, 11, 12, 13); word count; word rpm; word rps; byte pwm; void setup(){ pinMode(6,OUTPUT); analogWrite(6, 255); lcd.begin(16, 2); lcd.clear(); lcd.print(" Baca RPM Motor"); lcd.setCursor(0,1); lcd.print(" DC"); delay(2000); //----------------seting interupsi 0 pinMode(2, INPUT); digitalWrite(2, HIGH); attachInterrupt(0, readCount, FALLING); delay(50); pwm=220; lcd.clear(); } void loop(){



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lcd.setCursor(0,0); lcd.print("PWM:"); lcd.setCursor(0, 1); lcd.print("RPM:"); delay(1000); if(pwm == 0) pwm = 250; pwm=pwm-10; for(char i=0; i