Cov txheej txheem:

Chord Displaying Smart Guitar: 8 Kauj Ruam (nrog Duab)
Chord Displaying Smart Guitar: 8 Kauj Ruam (nrog Duab)

Video: Chord Displaying Smart Guitar: 8 Kauj Ruam (nrog Duab)

Video: Chord Displaying Smart Guitar: 8 Kauj Ruam (nrog Duab)
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Chord Displaying Smart Guitar
Chord Displaying Smart Guitar

Kuv yog tus kws tsim khoom siv hluav taws xob los ntawm kev tshaj lij thiab tus ntaus kis las los ntawm kev nyiam ua haujlwm. Kuv xav ua tus ntaus guitar uas tuaj yeem qhia nws tus kheej pib ntaus guitarist yuav ua li cas los ntaus lub chords los ntawm kev tso tawm nws ntawm lub rooj tsav xwm.

Yog li kuv txiav txim siab hloov kho kuv lub suab guitar kom nws yog lub ntse ntse uas tuaj yeem tso saib cov chords siv cov leds me me tso rau ntawm nws lub rooj sib tham thiab tswj los ntawm Arduino mega thiab bluetooth module. Cov lus txib lub suab tuaj yeem xa hla lub smartphone app mus rau kho vajtse ntawm guitar.

Yog li kuv tab tom sau kuv thawj cov lus qhia ntawm cov ntse ntaus guitar no kom koj tuaj yeem ua ib qho rau koj tus kheej.

Cheers !!

Kauj Ruam 1: Tshooj Npe

Daim Ntawv Teev Npe
Daim Ntawv Teev Npe

1. Acoustic Guitar

2. Arduino Mega thiab usb cable rau kev ua haujlwm. (Mega vim tias nws muaj ntau dua 60 digital/analog tawm pins kom peb tuaj yeem siv lawv rau teeb pom kev zoo ntawm peb lub rooj sib tham.)

3. Bluetooth module, HC 05 (uart kev sib txuas lus)

4. Txuas cov xov hlau

5. Smd Leds (peb siv dawb)

6.330 ohm resistors

7. Dremel cov cuab yeej rau carving ib daim hlab ntawm lub rooj tsavxwm

8. Clear Resin/nplaum zoo li Araldite.

9. Ua lub txhab nyiaj rau txhawb lub zog kho vajtse

10. Soldering hlau rau cov khoom sib txuas ntawm pcb.

11. Cu Clad board rau ua pcb.

Kauj Ruam 2: PCBs ntawm Peb Cov Khoos Phis Tawj

PCBs ntawm Peb Kho Vajtse
PCBs ntawm Peb Kho Vajtse
PCBs ntawm Peb Kho Vajtse
PCBs ntawm Peb Kho Vajtse
PCBs ntawm Peb Kho Vajtse
PCBs ntawm Peb Kho Vajtse

Hauv ntu no kuv tsis tau piav qhia tias kuv ua PCBs li cas vim tias nws yuav tshem qhov kev txaus siab tseg, Kuv tuaj yeem npog nws hauv cov lus qhia yav tom ntej, tab sis tsuas yog kuv tau hais txog yam peb xav tau.

Peb qhov teeb tsa tag nrho muaj ob hom ntawm cov laug cam:

1. Khoos phis tawj tswj hwm PCB: Qhov no yog daim thaiv rau arduino mega board uas txhua qhov sib txuas sib txuas ntawm txhua lub leds yuav sib ntsib thiab 330 ohm resistors yuav raug teeb tsa.

Peb yuav muab qee tus txiv neej lub taub hau los npuaj nws ntawm Mega board.

2. Coj zaub Sawb PCB: Cov no yog cov PCB nyias nyias ntawm qhov uas smd LEDs yuav raug teeb tsa thiab txhua txheej ntawm 6 Leds board yuav muab tso rau ntawm txhua qhov kev ntxhov siab ntawm tus ntaus guitar.

Kauj Ruam 3: Ntoo Ua Haujlwm ntawm Guitar's Fret Board

Ntoo Ua Haujlwm ntawm Guitar's Fret Board
Ntoo Ua Haujlwm ntawm Guitar's Fret Board
Ntoo Ua Haujlwm ntawm Guitar's Fret Board
Ntoo Ua Haujlwm ntawm Guitar's Fret Board
Ntoo Ua Haujlwm ntawm Guitar's Fret Board
Ntoo Ua Haujlwm ntawm Guitar's Fret Board
Ntoo Ua Haujlwm ntawm Guitar's Fret Board
Ntoo Ua Haujlwm ntawm Guitar's Fret Board

Hauv cov kauj ruam no, peb yuav ntsuas qhov dav ntawm txhua tus PCB coj sawb thiab tom qab ntawd siv lub cuab yeej dremel teb, peb ua qhov me me ntawm txhua qhov nrawm kom haum rau pcb coj.

Nco tseg: Peb siv cov pcb/tooj liab tuab heev rau lub hom phiaj no yog li ntawd peb yuav tsum tsis txhob txiav lub rooj sib tsoo nyuaj.

Hauv cov duab koj tuaj yeem pom yooj yim yooj yim nws yog ua li ntawd. Tsuas yog ceev faj kom tsis txhob khawb qhov tob vim tias muaj cov pas nrig nyob hauv qab lub rooj sib tw.

Kauj Ruam 4: Soldering Tshooj 1

Soldering Tshooj 1
Soldering Tshooj 1
Soldering Tshooj 1
Soldering Tshooj 1

Tam sim no muab cov smd coj los tso rau ntawm daim kab xev pcb nyias, ua tib zoo saib xyuas ntawm + thiab - qhov kawg ntawm cov coj. Tom qab ntawd xaim tooj liab tooj liab xaim (tag nrho 7 tus lej, 6 rau leds (+) thiab 1 rau ntau (-)).

Cov xov hlau no yuav raug rub los ntawm hauv qab ntawm lub rooj tsav xwm nyuaj thiab yog li yuav tsis pom. Tag nrho cov xov hlau no tom qab ntawd yuav mus rau lub laj kab thaiv PCB tseem ceeb thiab tom qab ntawd yuav muab muag.

Kauj Ruam 5: Ua Ntawv Thov Ntshiab

Ua Ntawv Thov Ntshiab
Ua Ntawv Thov Ntshiab
Ua Ntawv Thov Ntshiab
Ua Ntawv Thov Ntshiab

Tom qab tso tag nrho Led strips pcb ntawm qhov qhib tau ua rau lub rooj sib tsoo thiab txuas cov xov hlau rau txhua lub leds, tam sim no nws yog lub sijhawm los kaw lub rooj tsavxwm los ntawm kev siv cov kua nplaum/nplaum (Kuv siv Araldite) txhawm rau ua kom lub ntsej muag du.

Thaum tag nrho cov txheej txheem ua tiav koj yuav tsis hnov ib Leds thiab nws zoo nkaus li zoo ib yam li tus ntaus nkauj tshiab.

Kauj Ruam 6: Soldering Tshooj 2

Soldering Tshooj 2
Soldering Tshooj 2
Soldering Tshooj 2
Soldering Tshooj 2

Hauv ntu no peb yuav muab cov kab xaim tooj liab xaim xaim tawm los ntawm txhua lub leds mus rau daim phiaj thaiv pcb.

Peb tuaj yeem ua tus cim ntawm txhua lub xaim kom peb txoj haujlwm yuav yooj yim dua li peb yuav paub uas coj mus rau tus lej Pin ntawm Arduino mega board.

Tab sis, yog tias qhov nyuaj, tsis muaj kev txhawj xeeb. Peb kuj tseem tuaj yeem txuas txuas cov xov hlau mus rau ib qho ntawm cov lej digital ntawm mega board shield thiab tom qab ntawd siv cov lej ntsuas peb tuaj yeem txiav txim siab tom qab, uas yog coj mus rau qhov digital/analog oin.

Peb tseem yuav muab cov khoom siv HC-05 bluetooth rau Uart pins/pins serial pins ntawm Mega shield kom cov cuab yeej tuaj yeem txuas nrog peb lub xov tooj siv qee daim ntawv thov Android.

Kev sib txuas ntawm Bluetooth Module ……………………..> Arduino Mega

Tx ………………………………………………………………………………> Rx

Rx …………………………………………………………………………………………> Tx

Vcc ………………………………………………………………………….> +5v

Gnd ………………………………………………………………………….> Gnd

Kev sib txuas ntawm Leds (10 pts = 60 leds) ………………………………………..> Arduino Mega

(1, 2, 3 ……… 60) ………………………………………………………………………………> Pin (2, 3, 4….62)

Kauj Ruam 7: Kho kom zoo dua Fret Board

Kho kom zoo nkauj Fret Board
Kho kom zoo nkauj Fret Board
Kho kom zoo nkauj Fret Board
Kho kom zoo nkauj Fret Board

Tom qab ua tiav qhov kev hloov kho ntawm kuv lub suab guitar, tam sim no nws yog lub sijhawm los ua kom nws zoo dua.

Rau lub hom phiaj no, Kuv tau siv cov ntawv dub nplaum yas yas nrog laser txiav qhov rau tso saib txhua tus coj.

Koj tuaj yeem pom cov duab zoo li cas nws zoo nkaus li tom qab cov ntawv yas tau muab lo rau.

Kauj Ruam 8: Kawg: Arduino Sketch and Testing

Kawg: Arduino Sketch and Testing
Kawg: Arduino Sketch and Testing
Kawg: Arduino Sketch and Testing
Kawg: Arduino Sketch and Testing
Kawg: Arduino Sketch and Testing
Kawg: Arduino Sketch and Testing

Yog li ntawm no yog peb cov kauj ruam kawg los ua peb cov ntse guitar.

Nov yog qhov kev sim thiab qhov kawg kos duab arduino txuas nrog hauv cov ntaub ntawv saum toj no. Vam tias koj txhua tus tau paub txog lub platform zoo arduino, tsuas yog ua rau pawg thawj coj saib Mega 2560 thiab xaiv qhov chaw nres nkoj com kom raug rau koj lub cuab yeej thiab xa cov cai.

Tom qab hloov pauv (yog tias xav tau) qee tus lej tus lej ntawm tus lej, koj lub rooj sib tw nyuaj siab ntawm koj lub guitar tau npaj los tso saib cov chords.

Muaj qee lub suab hais kom ua los ntawm cov ntawv thov bluetooth muaj nyob hauv qhib qhov chaw zoo li google ua si tom khw. Tsuas yog teeb tsa nws kom raug thiab koj npaj mus. Koj tseem tuaj yeem hloov kho lub app raws li koj tus qauv chord. Tam sim no Tsuas yog ntsaws lub txhab nyiaj hluav taws xob rau arduino mega kho vajtse thiab ua ke bluetooth nrog koj lub xov tooj ntawm tes thiab koj lub ntse ntaus nrig tau npaj los tso saib cov chords ntawm koj lub suab hais kom ua.

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