Vu Meter DJ Stand: 8 Kauj Ruam (nrog Duab)

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27

DJ sawv ntsug tsim los ua ib feem ntawm cov tub ntxhais kawm kev lom zem. Nws muaj 480 LEDs (WS2812B) kom pom 80 PMMA thaiv. LEDs teeb raws li lub suab paj nruag los ua Vu meter.

Kauj ruam 1: Cov ntaub ntawv

Cov qauv dav dav ntawm lub rooj muag zaub yog ua los ntawm ntoo nrog 18mm chipboard tuav nyob rau hauv qhov chaw nrog brackets thiab cleats.

Lub vaj huam sib luag pem hauv ntej tau ua hauv ob peb txheej txhawm rau txhawm rau tswj hwm PMMA cov thaiv thiab yuav qhia ntxaws hauv ntu 3. Lub suab txheej txheem tau ua hauv Python ntawm Raspberry Pi kom muaj ib txwm muaj cov khoom siv hluav taws xob ntawm sawv ntsug thiab tso saib kom yooj yim nkag tau. mus rau DJ yog tias tsim nyog. Nco tseg tias qee qhov, tshwj xeeb yog PMMA, tau siv lub tshuab txiav laser. PMMA tuaj yeem nyuaj ua kom tiav raws li qhov xwm txheej yam tsis muaj nws, qhia koj tus kheej hauv Fablabs ib puag ncig koj, lawv tuaj yeem tuaj yeem pab koj ua qhov sawv ntsug no.

Cov npe khoom siv:

CEEB TOOM: 0.5m*0.5m vaj huam sib luag yuav nyob ntawm qhov loj ntawm koj lub tshuab txiav laser. Saib tag nrho cov lus qhia kom ntseeg tau tias qhov loj me uas koj xav tau.

• 18 hli chipboard:

  1. 2x1m; ib
  2. 2 x 1m*1m

• 3 hli MDF:

  1. 1x1m; ib
  2. 4x 0.5m*0.5m

• 6 hli MDF:

  8 x 0.5m*0.5m

• ~ 12m ntawm cleats (30mm*30mm zoo)

• 5m PMMA: Cov.

  ~ 0.5m² (qhov loj ntawm daim ntawv nyob ntawm qhov loj ntawm koj lub tshuab txiav laser)

• Raspberry Pi (3b zoo)
• Waveshare 7 "touchscreen
• 8 meters ntawm WS2812B nrog 60 LEDs/m
• USB lub suab nrov (qhov pheej yig tshaj los ntawm Ugreen nrog lub mic nkag tau zoo, ~ 10 $)
• 16x 5mm threaded rod nrog qhov ntev ntawm 1meter (nws zoo dua los txiav nws ntawm 90cm, saib cov kauj ruam 3.5
• 320x5mm noob.
• qee qhov luam tawm 3D.
• Ntoo ntsia hlau (3mm thiab 5mm)
• Ntoo kua nplaum
• 4 lub log log nrog nres (nws zoo dua txav nws, ntseeg kuv!)
• Qee cov xaim rau solder
• BOB-12009 qib kev hloov pauv logic (los ntawm Sparkfun)

• Qee Qhov Chaw Txuas Hluav Taws Xob txuas rau lub zog Raspberry Pi thiab LED.

• Ib lub micro USB cable.
• 5V fais fab mov (tsawg kawg 100W (20A)).

Tam sim no koj npaj txhij pib koj qhov project!

Kauj ruam 2: Mechanics

Qhov no tsuas yog cov qauv dav dav ntawm sawv ntsug, qhov seem ntawm qhov yuav siv rau qhov ua tiav

ntawm lub vaj huam sib luag pem hauv ntej thiab nws cov khoom siv hluav taws xob thiab software teeb tsa. Cov qauv tau ua ntawm 2m * 1m cov laug cam kom nws tuaj yeem haum rau DJ theem uas feem ntau muaj qhov loj me thiab yog li ntawd tuaj yeem yooj yim tsa yog tsim nyog.

Kuv muab koj cov phiaj xwm 3D ntawm txhua ntu thiab cov qauv dav dav kom koj tuaj yeem pom yuav ua li cas sib dhos nws. Qhov no yuav pom meej dua nrog cov duab sib txawv.

• Siv lub ntsej muag pom, txiav lub hauv paus ntawm lub txee los ntawm 2m * 1m board (cov ntaub ntawv muaj). Koj tau txais daim duab N ° 1

• Tom qab ntawd peb yuav teeb tsa lub vaj huam sib luag sab. Rau txhua lub vaj huam sib luag:

  Siv tus cleats txog 85cm ntev (xaiv qhov loj raws li qhov loj ntawm koj cleats, ob lub cleats yuav muab tso rau ntawm ib sab, tsis pub tshaj). CEEV FAJ: Lub vaj huam sib luag pem hauv ntej muaj tuab li 3cm, ua tib zoo xaiv qhov ntev kom muaj 4cm sab laug rau lub vaj huam sib luag

  Ntsia cov cleats no mus rau lub hauv paus sib luag rau ntawm ntug, saib xyuas kom muaj qhov nrug nruab nrab ntawm ntug thiab cleats li ntawm 2cm (tuab ntawm lub rooj tsavxwm uas yuav tsaws pem hauv ntej)

  Nqa 2 lub lauj kaub loj txog 80 cm. Lawv yuav raug ntsia rau ntawm ob sab ntawm thawj lub ntsej muag txhawm rau txhawb lub rooj tsavxwm kom zoo li ua tau. Qhov ntev ntawm cov nplais yuav txiav txim siab qhov siab ntawm DJ tais, yog li koj tuaj yeem hloov qhov loj me no raws li koj xav tau. Peb coj 80cm kom tawm ntawm qhov siab kom lub phaj raug tiv thaiv thiab tsis tas yuav pom. 80cm yog tus qauv siab ntawm lub rooj, nws zoo li zoo rau peb

  Rov ua dua ob kauj ruam kawg ntawm lwm sab ntawm lub txee, koj yuav tsum muaj qhov tshwm sim ntawm daim duab N ° 2

• Tam sim no peb yuav tso cov laug cam raws li hauv daim duab N ° 3 thiab N ° 4. Qhov tshwm sim yog daim duab N ° 5

• Txhua yam uas tshuav yog txiav lub tais tam sim no. Txhawm rau kos lub phaj, txoj hauv kev yooj yim tshaj plaws yog ua cov duab tib yam rau lub hauv paus, tom qab ntawd rau ob sab, kos kab sib luag ua ke los ntawm 18mm, tuab ntawm lub rooj tsavxwm uas ua rau sab.
• Rau pem hauv ntej, txiav tawm 4cm. Ua ntej txiav qhov chaw uas yuav yog DJ qhov chaw, tso lub rooj tsavxwm nqes kom ntseeg tau tias qhov kev txiav yog raug. Tom qab ntawd koj tau txais cov phiaj xwm ntawm daim duab N ° 6. Tom qab txiav ib zaug, yees duab N ° 7 thiab thaum kawg N ° 8.

Qhov zoo tshaj, sawv yuav tsum tau pleev xim tam sim no, ua ntej lub vaj huam sib luag tau teeb tsa nrog PMMA. Peb pleev xim txhua yam hauv Dub vim tias nws yog qhov zoo tshaj rau peb, tab sis koj yog dawb xwb. Hom ntoo no nqus tau ntau xim, pleev xim nrog rab phom xim thiab tshuab ziab khaub ncaws yog qhov yooj yim tshaj plaws ntawm no

Kauj Ruam 3: Pem Hauv Ntej Vaj Huam Sib Luag

Cov kauj ruam no yog qhov tseem ceeb tshaj plaws thiab tib lub sijhawm siv sijhawm ntau tshaj plaws. Nws yuav tsum tau siv sijhawm ntau, tshwj xeeb tshaj yog rau kev sib dhos ntawm PMMA cov thaiv hauv cov hlua.

Lub rooj sib txoos pem hauv ntej tau ua tiav hauv ob peb kauj ruam. Peb yuav xub ua lub vaj huam sib luag coj ua, tom qab ntawd peb yuav txiav PMMA thiab tom qab ntawd sib sau ua ke rau hauv lub vaj huam sib luag pom tom ntej.

1. LEDs Vaj Huam Sib Luag:

   1. Peb yuav ua raws lub hauv paus 1m*1m MDF3 vaj huam sib luag.
   2. Peb mam li lo cov MDF3 cov laug cam nrog cov kab txiav los ntawm lawv txhawm rau txhawm rau txhawm rau txhawm rau LED. Lub tshuab txiav laser ntawm kuv qhov kev pov tseg muaj qhov ua haujlwm ntawm 80cm*50cm, Kuv tau ua 4 panels ntawm 50cm*50cm. Hloov kho qhov ntev raws li koj cov cuab yeej siv. Tom qab ntawd muab cov kua nplaum no tso rau ntawm lub hauv paus peb coj ua ntej. Koj yuav tsum muaj 6mm tuab lub rooj tsavxwm nrog 10 kab hollow kom ntxig rau lub leds. (Saib daim duab N ° 9 thiab 10).
   3. Tom qab ntawd ntxig cov hlua LED. CEEV FAJ, qhov chaw nyob ntawm cov hlua LED muaj kab thaiv. Txhawm rau txo cov thaiv, ntxig cov hlua LED rau hauv lub kauj. (Saib daim duab N ° 11 rau daim duab kab thaiv ntawm kab tav tav). Cov voj voos sib haum rau lub hwj chim nkag. Qhov tseeb, ib lub hwj chim nkag thaum pib ntawm kab ntawv tsis txaus los muab tag nrho cov LEDs kom raug. Yog li kuv tau ua 4 lub zog tawm tswv yim zoo li koj tuaj yeem pom ntawm daim duab. Raws li lawv txhua tus los ntawm tib lub zog siv, lawv muaj tib cov lus qhia hluav taws xob.
   4. Hauv daim duab N ° 11 peb tsis pom cov hlua txuas ntawm cov hlua vim tias lawv tau hla tom qab. Thaum kawg kuv tau hloov qhov ntawd thiab txuas cov kab xev nrog rau sab xub ntiag, vim tias lub hauv ntej raug kaw tom qab, cov xaim hluav taws xob yuav tsis pom. Raws li yuav muaj qhov sib txawv nruab nrab ntawm cov phaj no thiab cov phaj uas pom, yuav tsis muaj teeb meem.
   5. Yog li kuv tau ua qee qhov txuas raws li pom hauv daim duab N ° 12. Nco ntsoov siv cov kua nplaum kub rau qhov txuas kom tiv thaiv lawv. Cov ntaub qhwv rau ntawm daim kab xev tsis yooj yim, yog li kev txav mus los ntawm txoj hlua ntawm lub foob raug tiv thaiv. Sim tawm cov kua nplaum kub hauv zos kom tsis txhob ua teeb meem nrog PMMA thaiv tom qab. Thaum kawg koj yuav tsum ua 4 qhov kom tso lub hwj chim thiab lub teeb liab tso rau ntawm START (daim duab N ° 11). Nco ntsoov ntsuas kom paub tseeb tias txhua lub LED teeb (R, G thiab B rau txhua LED). Yog tias LED tsis ua haujlwm, seem ntawm cov hlua uas ua raws yuav tsis ua haujlwm yog li cov kauj ruam no yog qhov tseem ceeb. Yog tias LED tsis muaj, txiav cov LED no ntawm ob sab ntawm txoj hlua thiab hloov nws, PADs nyob ntawd yuav tsum tau muab muag ua ke.

2. Pom Sab:

   Sab pom yog ua los ntawm MDF6mm. Lub hom phiaj yog kom muaj qhov tuab zoo ntawm 12mm los ntawm kev ua kom tiav 2 daim hlau ntawm 6mm. MDF6mm muaj qhov zoo ntawm kev txiav zoo heev los ntawm laser thiab pheej yig. Qhov no tso cai rau kuv kom muaj qhov txiav txiav kom dhau PMMA cov ntawv yooj yim. Peb txiav 8 lub vaj huam sib luag ntawm MDF6mm 500mm*500mm uas peb nplaum ob los ntawm ob. Tom qab ntawd lawv tau pleev xim dub zoo li lub txee ntxiv. Qhov no ua rau nws yooj yim dhau PMMA los ntawm sab hauv los kuaj cov LEDs (Duab N ° 14)

3. PMMA:

   1. Tam sim no nws yog qhov tsim nyog los txiav PMMA raws li daim ntawv muab hauv cov ntawv. Yog tias koj tsis muaj lub tshuab txiav laser, cov kauj ruam no yuav nyuaj. Koj tuaj yeem yuav yooj yim dua cov duab ntawm PMMA thaiv, txhua yam koj yuav tsum tau ua yog hloov cov ntaub ntawv ntawm sab pom.
   2. Thaum koj 80 lub block ntawm PMMA tau raug txiav, peb yuav tuaj yeem pib ua haujlwm hnyav tshaj plaws, kev sib dhos. Lub hom phiaj ntawm no yog txhawm rau thaiv txhua qhov ua tau ntawm txoj kev ywj pheej ntawm PMMA.
   3. Siv 2 txoj hlua xov thiab ntxig cov PMMA thaiv rau hauv lawv kom lawv tuaj yeem tso rau hauv qhov zawj ntawm LED kab xev. Ntawm txhua tus pas nrig, ntxig cov txiv ntoo thiab tom qab ntawd PMMA thaiv kom txhua qhov thaiv tuaj yeem xauv nruab nrab ntawm ob lub txiv ntoo ntawm qhov chaw xav tau. Muab 10 qhov thaiv nrog lawv cov txiv ntoo xoob xoob. Qhov no ua tiav hauv kab ntawm 10 qhov thaiv nrog ob txoj hlua xov thiab 4 txiv ntoo rau ib qho thaiv. Los ntawm kev tso cov thaiv rau ntawm lub vaj huam sib luag pem hauv ntej, peb yuav tuaj yeem xauv lawv nrog cov txiv ntoo ncaj qha rau ntawm qhov chaw raug. (Saib daim duab N ° 15). Tom qab siv lub rooj muag zaub, Kuv xav tias cov txiv ntoo tsis tuav nrog kev co. Kuv pom zoo siv Threadlocker. Cov kauj ruam yuav yog txhua yam siv zog ntau dua tab sis koj yuav paub tseeb tias lawv yuav tsis txav mus. Nrog threadlocker, koj yuav tuaj yeem xauv koj cov thaiv kom zoo.
   4. Rov ua haujlwm rau 8 kab

4. Pom lub ntsej muag sib dhos:

   1. Peb twb muaj txhua yam peb xav tau: 8 kab nrog PMMA thaiv, 4 lub vaj huam sib luag uas yuav tsim rau sab pom uas tam sim no 12mm tuab ua tsaug rau theem 3.2
   2. Lub hom phiaj yog sib sau ua ke ntawm kab ntawv thiab dai cov vaj huam sib luag ua ke. Peb yuav ua 2 lub vaj huam sib luag ntawm 1m*50cm los ntawm kev nkag 4 kab hauv ob lub vaj huam sib luag. Koj muaj ntawm koj pov tseg cov ntaub ntawv me me 3D luam ntawv los xauv cov hlua xov ntawm lub vaj huam sib luag thiab kho ob lub vaj huam sib luag ua ke.
   3. Nco ntsoov lo cov vaj huam sib luag ua ke ua ntu ntu ntu ua ke. Qhov tshwm sim yuav tsum zoo li hauv daim duab N ° 16. Tom qab ntawd koj tau txais ob lub vaj huam sib luag ntawm 1m * 50cm. Peb tsis tau kho cov vaj huam sib luag no ua ke vim tias peb tau ntxiv lub rooj tsav khoom nyob rau sab xub ntiag ntawm PMMA ntawm sab pom kom khov txhua yam, tab sis rau qhov laj thawj zoo nkauj, kuv qhia koj kom nrhiav kev daws teeb meem txhua yam ntawm no.

5. Sib dhos zaum kawg

   1. Tam sim no peb yuav sib sau ua ke sab pom tau nrog cov vaj huam sib luag LED ua hauv theem 3.1. Yog tias koj tau txiav koj cov hlua xov rau 90cm, txoj hauv kev yooj yim tshaj plaws yog siv cov nplais txog 12/13mm tuab thiab tsom mus rau ob daim hlau saum toj. Qhov no yuav ua rau lub vaj huam sib luag pem hauv ntej raug kaw tag nrho.
   2. Raws li peb tsis tau txiav peb cov hlua xov, peb tau tso ntau daim ntawm cov nplais rau ntau qhov chaw txhawm rau txhim kho txhua yam. Txhawm rau kaw lub vaj huam sib luag thiab ua kom nws zoo, peb muab cov yas yas ntev rau nws thiab pleev xim rau nws dub. Kuv xav tias txheej txheem pleev xim dub yuav muab qhov txiaj ntsig zoo dua. Qhov tshwm sim ntawm lub vaj huam sib luag pem hauv ntej muab rau hauv daim duab N ° 17 thiab 18.

Kauj Ruam 4: Electronics & HMI

Kev sib dhos ntawm HMI. Txiav cov ntaub ntawv muab hauv theem no txhawm rau teeb tsa lub teeb pom kev, DMX ntsaws thiab ntsaws ntsaws. Hloov kho cov ntaub ntawv raws li qhov loj ntawm koj lub chaw nres nkoj, DMX qhov (socket) thiab tso saib

Txhawm rau tiv thaiv Raspberry Pi, Kuv drilled lub qhov hauv lub tais kom khiav cov hlua. Raspberry Pi tau muab tso rau hauv ib lub thawv los tiv thaiv hluav taws xob sab nraum zoov (muaj nyob hauv khw DIY)

• Txuas lub vijtsam thaiv mus rau qhov sawv nrog cov khoom sib dhos kom nws tuaj yeem qhib tau yog tias tsim nyog. Qhov chaw nres nkoj jack uas yuav tsum tau coj mus rau hauv tus account yog lub microphone tso tawm kom lub suab tuaj yeem nkag mus rau kev ua haujlwm. Kev teeb tsa lub DMX lub qhov (socket) tsis tas yuav tsum tau, saib ntu 7.
• Peb kuj tau ua lub hauv siab txhawm rau kaw lub hwj chim. Qhov tshwm sim ntawm tag nrho yog pom hauv daim duab N ° 19. Ntawm Raspberry Pi, lub teeb liab rau LEDs yuav tsum txuas nrog GPIO N ° 18. Txawm li cas los xij, txij li GPIOs ntawm Raspberry Pi yog 3.3V, peb xav tau tus lej hloov pauv qib los hloov lub teeb liab mus rau 5V. Xa mus rau cov ntaub ntawv thiab txuas ntawm BOB-12009 los ntawm Sparkfun.

Kauj Ruam 5: Kev Tswj Cable

Cov kab hluav taws xob uas tawm los ntawm lub vaj huam sib luag rau lub zog xa khoom tau nqa los ntawm lub txee los ntawm cov qog qog, koj tuaj yeem pom cov duab rendering N ° 20.

Kauj ruam 6: Code

Txhua yam tau teev nyob rau hauv nab hab sej. Koj tuaj yeem rub nws hauv cov ntawv uas tau muab. Txhawm rau teeb tsa Raspberry Pi, koj yuav tsum teeb tsa Alsa lub suab kom qhia meej tias USB lub npav suab tau muab coj los rau hauv tus as khauj los ntawm lub neej ntawd. Qhov tseeb, peb lub suab tawm ntawm no yog lub mloog pob ntseg ntawm USB lub mloog pob ntseg. Raspberry Pi tsis muaj lub suab tso suab tsis zoo, yog li qhov no yog peb qhov kev xaiv nkaus xwb. Koj yuav tsum tau kho koj li Raspberry Pi siv Waveshare screen, xa mus rau lawv cov ntaub ntawv. Thaum kawg, nws tseem ua kom ntseeg tau tias cov ntawv pib.sh pib nrog RaspberryPi

Kauj Ruam 7: DMX Feature

DMX yog kev sib txuas lus raws li RS-485 thiab tau siv dav rau kev tswj lub teeb hauv cov xwm txheej. Lub hom phiaj yog ntxiv qhov sib txuas kom lub vaj huam sib luag tuaj yeem tswj tau los ntawm chav tswj teeb pom kev zoo.

Tom qab ntawd peb yuav muaj lub vijtsam zoo tshaj 80 pixel uas ci thoob plaws hauv koj chav. Kev hloov kho software yuav xav tau, tab sis raws li qhov khoos phis tawj muaj kev txhawj xeeb, kuv yuav tso koj cov txheej txheem thiab txheej txheem ntawm PCB los ua DMX-USB hloov pauv. Qhov kev hloov pauv no tuaj yeem ua kom yooj yim txij li, lub sijhawm no, nws suav nrog kev xa xov thiab txais tos tab sis tsuas yog kev txais tos yog qhov kev txaus siab ntawm no. Cov optocouplers tau siv ntawm no kom hluav taws xob cais cov Raspberry Pi los tiv thaiv nws los ntawm qhov ua tau tam sim no los ntawm lwm lub teeb. Thov nrhiav EAGLE cov ntawv txuas nrog rau theem no.

Kauj Ruam 8: Xaus

Tam sim no koj muaj daim ntawv qhia tag nrho los ua koj tus kheej. Kuv tab tom nrhiav kom rub cov vis dis aus los qhia txog qhov kawg ntawm txoj cai.