Ambilight System rau Txhua Lub Tswv Yim Txuas nrog Koj Lub TV. WS2812B Arduino UNO Raspberry Pi HDMI (Hloov Kho 12.2019): 12 Kauj Ruam (nrog Duab)

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:26

Kuv ib txwm xav ntxiv qhov tsaus ntuj rau kuv lub TV. Nws zoo nkaus li txias! Thaum kawg kuv tau ua thiab kuv tsis poob siab!

Kuv tau pom ntau cov vis dis aus thiab ntau yam qhia ntawm kev tsim Ambilight system rau koj lub TV tab sis kuv tsis tau pom dua ib qho kev qhia rau kuv qhov xav tau tseeb.

Nws yog txawm tias lub kaw lus tsuas yog ua rau 1 qhov chaw (PS4 lossis Xbox lossis TV thiab lwm yam..) lossis nws tsis siv tib lub LED raws li kuv xav siv, yog li kuv txiav txim siab los tsim cov lus qhia thiab muab ua ke tag nrho cov ntaub ntawv thiab kev paub kuv tau sau ua ke hauv ib qho chaw thaum ua qhov haujlwm no.

Cov kab ke kuv tau ua tuaj yeem txuas nrog txog 5 qhov sib txawv. Kuv muaj nws teeb tsa ntawm no kom ua haujlwm nrog kuv PS4 system lossis kuv lub tsev ua yeeb yam/blu-ray player lossis kuv Foxtel (Australian cable tv box) lossis kuv lub khoos phis tawj thiab muaj cov khoom siv seem tshuav rau lwm yam. Tag nrho cov no yooj yim nrog nias lub pob.

Kuv tau ntxiv lub vijtsam LCD los tso saib qhov tam sim no tau txuas nrog rau qhov pom kev thiab khawm ON/OFF rau lub kaw lus.

Yog tias koj tab tom nrhiav kom muaj qhov tsaus ntuj muaj rau txhua qhov kev sib txawv sib txuas nrog koj lub TV, xav siv WS2812 hom coj strips, tom qab ntawd tsis saib ntxiv, qhov kev qhia no yog rau koj

Kuv tau nkag mus rau cov lus qhia no rau hauv Raspberry PI 2016 kev sib tw yog li yog tias koj nyiam nws thov tso kuv pov npav sai! Ua tsaug ntau ua ntej.

Kauj Ruam 1: Cov Khoom Siv Xav Tau los Tsim Qhov Txheej Txheem no

Tsis yog txhua qhov chaw muaj qhov tso tawm HDMI, zoo li kuv lub khoos phis tawj tseem txuas nrog los ntawm VGA txuas qub thiab kuv chav Foxtel tseem txuas nrog ntawm AV cables. Kuv yuav tsum yuav ob peb qhov sib txawv sib txawv kom tau txais txhua yam ua haujlwm, tab sis thaum kawg qhov txiaj ntsig tau txaus thiab tsim nyog nws !!

Tsis yog txhua yam ntawm no yuav xav tau nyob ntawm koj tus kheej thiab yog tias koj xav tau LCD lossis tsis yog. Kuv yuav cais cov khoom xaiv.

1. 1x 4meter sawb ntawm WS2812B 30leds/m. (qhov no txaus rau kuv 55inch tv) Kuv tau yuav kuv li ntawm Aliexpress. LED sawb
2. 1xArduino UNO pawg thawj coj saib.
3. 1x Raspberry Pi qauv 2 lossis 3.
4. 1x SD daim npav. (8Gb yog qhov zoo)
5. 1x Video grabber hom STK1160. (ceev faj thaum xaiv tus tuav, qee tus qauv yuav tsis ua haujlwm !!) Nov yog qhov kuv tau txais thiab nws ua haujlwm raug. Video grabber
6. 1x5V 10amps fais fab mov. Kuv tau txais kuv los ntawm Aliexpress dua thiab nws ua haujlwm tau zoo. Fais fab mov
7. 1x HDMI splitter 1 x 2. splitter
8. 1x HDMI switcher 5 hauv 1. switcher
9. 1x HDMI rau AV converter. hloov
10. 1x 10uF electrolytic capacitor

cables thiab kho vajtse:

1. 4x 25 cm HDMI cable. kab
2. 2x HDMI poj niam rau poj niam cov ntaub thaiv npog txuas. txuas
3. 1x 220V input txuas (fused).
4. 1x qhov thaiv qhov project (tuaj yeem sib txawv, nws nyob ntawm koj, kuv yog 424mm x 203mm x 86mm) lub thawv
5. Ib leeg tub ntxhais hlau los txuas 5V rau cov hloov pauv sib txawv thiab lwm yam.
6. Ribbon cables lossis txuas ntxiv rau cov xov hlau nkag mus rau Arduino piv txwv

xaiv tau ntxiv:

1. 1 x AV to HDMI converter hloov
2. 1x VGA rau HDMI converter. hloov
3. 2 x 25cm HDMI cable. kab
4. 1x LCD zaub 16 tus yam ntxwv x 2 kab. LCD
5. 1x I2C interface rau LCD. interface
6. 1x txias kiv cua rau rooj plaub.

Kauj Ruam 2: Dab Tsi Qhov Khoos Phis Tawj Yuav Xav Tau

Yuav muaj ob peb txoj haujlwm sib txawv uas yuav tsum tau ua rau txoj haujlwm no.

Koj yuav tsum rub tawm thiab teeb tsa lawv (yog tias koj tsis muaj nws)

• WinSCP tuaj yeem rub tawm ntawm no
• Putty tuaj yeem rub tawm ntawm no (nyem rau ntawm putty.exe txuas hauv cov npe)
• SDFormatter tuaj yeem rub tawm ntawm no
• Win32DiskImager tuaj yeem rub tawm ntawm no
• Arduino IDE tuaj yeem rub tawm ntawm no (Kuv siv version 1.8.10 thaum lub sijhawm)
• HyperCon tuaj yeem rub tawm ntawm no
• Notepad ++ (yeem) tuaj yeem rub tawm ntawm no

Koj yuav tsum rub lub Raspberry Pi disk duab ib yam nkaus. Xaiv cov ntaub ntawv npe "OpenELEC 8.0.3 rau RPI2 / RPI3" uas koj tuaj yeem rub tawm los ntawm hauv qab ntawm nplooj ntawv no

Kauj Ruam 3: Tau Txais Raspberry Pi Up and Running

Peb yuav pib los ntawm kev tau txais Raspberry Pi thiab ua haujlwm

1) Peb yuav sau openELEC rau SD daim npav.

1. Unzip Raspberry Pi disk duab.
2. Txuas daim npav SD rau hauv koj lub computer.
3. Khiav SDFormatter program.
4. Xaiv daim npav SD daim ntawv tsav.
5. Nyem rau ntawm qhov kev xaiv thiab xaiv "kev hloov me me" rau ON.
6. Nyem OK.
7. Nyem Hom.
8. Khiav Win32DiskImager program.
9. Xaiv Raspberry Pi duab thiab daim ntawv tsav tsheb ntawm koj daim npav SD.
10. Xaiv Sau.

2) Tshem daim npav SD ntawm koj lub khoos phis tawj thiab ntsaws rau hauv koj li Raspberry Pi.

Kev sib txuas yuav tsum tau ua ntawm Pi:

• Txuas Ethernet cable rau koj Pi los ntawm koj lub network.
• Txuas lub HDMI chaw nres nkoj ntawm koj Pi rau koj lub TV lossis tshuaj ntsuam.
• Txuas lub keyboard thiab nas ntawm USB chaw nres nkoj. (Kuv siv lub wireless nas thiab keyboard ua ke thiab kuv tau tso lub dongle txuas nrog Pi, txoj kev no, tam sim no tias Pi tau ntim rau hauv, Kuv tsis tas yuav qhib nws tag nrho yog tias kuv xav nkag mus rau kuv tus Pi.)
• Txuas lub usb kawg ntawm cov yeeb yaj kiab khaws rau koj Pi.

3) Txuas lub zog 5V rau koj Pi thiab ua raws cov lus qhia ntawm lub vijtsam kom txog thaum nws khau raj. Koj yuav tsum tau nthuav tawm nrog lub vijtsam raws li kuv daim duab.

Tam sim no peb yuav tsum txheeb xyuas koj li internet txuas. Ua raws txoj hauv kev Chaw (cog log) - cov ntaub ntawv xov xwm - cov ntsiab lus thiab sau koj tus IP chaw nyob, nws yuav xav tau yav tom ntej.

Ua kom ntseeg tau tias SSH tau qhib, ua raws txoj hauv kev Chaw (log log) - qhib ELEC - cov kev pabcuam thiab tshawb xyuas tias "qhib SSH" tau qhib.

Tam sim no peb tab tom yuav nruab HyperCon thiab txheeb xyuas peb cov vis dis aus txuas mus rau Pi

Rau qhov no peb yuav siv Putty. Koj tus Pi yuav tsum tau siv hluav taws xob ON thiab txuas nrog koj lub network kom qhov no ua haujlwm.

• Ntaus tus IP chaw nyob uas koj sau cia ua ntej rau koj Pi. raws li daim duab txuas thiab nyem Qhib.
• Tom qab ntawd koj yuav tsum tau txais kev ceeb toom nrog lub qhov rais nug koj txog lub npe siv raws li daim duab txuas. ntaus hauv paus thiab nias nkag mus.
• tom qab ntawd koj yuav raug nug kom nkag mus tus password. (nco ntsoov tias cov cim yuav tsis tshwm sim thaum ntaus tus password, qhov no yog qhov ib txwm muaj). Ntaus hauv openelec thiab nias sau.
• Txhawm rau txheeb xyuas txhua qhov chaw nres nkoj usb, ntaus hauv lsusb thiab nias nkag mus. Koj yuav tsum pom koj daim vis dis aus hauv daim ntawv teev npe raws li daim duab txuas.
• Tam sim no koj tuaj yeem kaw qhov kev sib txuas.

Qhov no ua tiav Raspberry PI teeb tsa. Peb yuav rov qab los rau nws tom qab txhawm rau rub peb cov ntawv teeb tsa teeb tsa LED.

Kauj ruam 4: Hyperion thiab Configuration File

Kev ntaus nrig ntawm koj txoj haujlwm yuav nyob ntawm koj. Kuv tau sim muab cov lus pom ntau li ntau tau hauv cov duab los muab rau koj thiab lub tswv yim ntawm qhov kuv teeb tsa tau ua ke.

Ib qho tseem ceeb tshaj plaws yog kom ntseeg tau tias cov vis dis aus nkag mus rau Pi tsis txuas nrog lwm yam, Kuv muaj cov kab ntawv me me tsis raug thiab ntau lwm yam txawv txawv tshwm sim thaum kuv muaj lwm yam txuas nrog rau lwm qhov chaw nres nkoj USB. Nws yuav tsum mus txog qhov txwv bandwidth lossis qee yam tab sis nws yuav tsis ua haujlwm thaum kuv sim ntsaws rau hauv WiFi dongle hauv USB no lossis txawm tias cov kab hluav taws xob tso tawm mus rau Arduino

Kuv pom zoo tso txhua tus hloov pauv thiab lwm yam thiab pib los ntawm kev nqa lub zog rau txhua tus ntawm lawv ua ntej. Feem ntau ntawm cov hloov pauv no tuaj nrog lub pob ntsaws ntsaws lub hwj chim. Kuv txiav tawm cov kab ntawv thiab tsuas yog siv lub txuas txuas ntawm tus hloov pauv sab thiab txiav txim siab los tsim lub rooj tsavxwm me me nrog ntau +5V thiab GND kev sib txuas los txhawb lawv txhua tus los ntawm. Nws tau txuag ntau chav.

Kuv nyam qhov hloov pauv sib txawv nrog 2 cov kua nplaum thiab siv cov yas sawv ntsug txhawm rau txhawm rau txhawm rau Arduino nqis. Kuv ntxiv qee cov kua nplaum rau sab nraub qaum ntawm IEC txuas ntxiv rau me ntsis ntxiv kev nruj. Kuv tus IEC txuas muaj qhov inbuilt ON/OFF hloov uas kuv tuaj yeem siv los tua lub zog tag nrho. Nws muaj qhov fuse kos qhov twg kuv tau tso 1.6A /250V fuse rau kev tiv thaiv yog tias ib yam dab tsi yuav mus tsis zoo nrog kuv cov khoom siv hluav taws xob pheej yig.

Kuv siv kuv cov cuab yeej dremel thiab qee cov ntaub ntawv los ua qhov qhib rau hauv lub thawv ntawv thiab ua kom nws zoo nkauj. Kuv ib yam nkaus li tau qhib qhov qhib rau IR sensor nyob rau ntawm lub hauv ntej ntawm lub thawv ntawv sab saud ntawm LCD.

Kuv tsis tau kos cov duab kos kom raug rau qhov txuas mus rau Arduino, qhia rau kuv paub yog tias ib tus neeg xav kom muaj ib qho es tsis siv daim duab uas kuv tau tsim.

Tsis txhob ua siab deb los tawm tswv yim yog tias xav tau thiab kuv yuav zoo siab teb cov lus nug thiab hloov kho cov lus qhia no kom ua tiav lossis nkag siab yooj yim dua.

Kauj Ruam 9: Hacking Rau Hauv HDMI Switcher (yeem)

Rau peb Arduino los qhia qhov twg los ntawm HDMI tus hloov pauv tau ua kom pom tseeb, peb xav tau txoj hauv kev xa cov ntaub ntawv no los ntawm tus hloov pauv mus rau Arduino. Hmoov zoo, tus hloov pauv tus hloov pauv muaj 5 LED's los tso saib qhov chaw 1 txog rau 5 thaum xaiv thiab peb yuav siv cov cim no rau Arduino.

Kuv tau coj lub teeb liab los ntawm 5 LED tab sis tom qab ntawd thaum kuv sau Arduino code, kuv pom tau tias kuv tsis xav tau lub teeb liab los ntawm LED tus lej 1, yog tias koj saib ze rau ntawm kab txuas txuas rau Arduino, koj tuaj yeem pom tias xaim xim av ntawm sab tes xis yeej tsis txuas nrog. Peb tsuas muaj LED2 txuas nrog A0, LED3 rau A1, LED4 rau A2 thiab LED5 rau A3.

Kuv txuas lawv mus rau Analog cov tswv yim tsis muaj lwm qhov laj thawj uas yooj yim ntawm txoj hlua rau hauv kuv lub thawv phiaj xwm.

Yog tias koj txiav txim siab los tsim txoj haujlwm no thiab tsis xav kom muaj LCD zaub ntawm lub vaj huam sib luag pem hauv ntej, cov kauj ruam no tsis xav tau thiab tuaj yeem hla tau. Nws yuav nyuaj rau paub tias qhov twg raug xaiv ntawm HDMI hloov pauv yog tias LED nyob ntawm nws tsis pom zoo li hauv kuv qhov phiaj xwm tsim qhov twg tus hloov pauv nyob hauv lub thawv.

Kauj Ruam 10: Arduino thiab Arduino Code

Download tau daim duab los ntawm qhov txuas hauv qab no. nov

Rau Arduino kos duab los ua ke kom raug koj yuav xav tau 2 lub tsev qiv ntawv:

Adafruit_NeoPixel.h uas koj tuaj yeem rub tawm ntawm no

LiquidCrystal_I2C.h uas koj tuaj yeem rub tawm ntawm no (version 2.0)

Kuv tau sim ntxiv cov lus pom ntau li ntau tau los ntawm txoj cai. Yog tias muaj dab tsi tsis meej, tsis txhob ua siab deb tshaj tawm cov lus pom thiab nug cov lus nug. Lawv tuaj yeem pab ntau tus neeg.

Muaj qhov saib los ntawm cov cai uas kuv tau txuas rau cov kauj ruam no.

Datapin yog tus pin xaiv qhov Din ntawm peb cov hlua LED yuav txuas nrog

#Txhais DATAPIN 5

Led suav yog tus lej tseeb ntawm LED hauv koj lub system

#define LEDCOUNT 113

Tus baudrate yuav tsum tsis hloov, lossis nws yuav xav tau hloov pauv hauv Hyperion teeb tsa cov ntaub ntawv ib yam

#define BAUDRATE 500000

Nov yog qib ci ntsa iab uas koj xav kom koj cov hlua LED ua haujlwm ntawm. Kev xeem yuav tsum muaj nyob hauv koj ib puag ncig. 0 txog 100 xaiv

#define BRIGHTNESS 100

Koj yuav tsum hloov kho kab 24 nrog koj tus kheej ua ntej.

Siv cov ntawv txuas ua ntej, nrhiav koj tus lej ntawm LED thiab luam qhov txiaj ntsig los ntawm cov ntawv rau hauv koj kab ntawv ua ntej. Koj yuav tsum qhib cov ntaub ntawv nrog qee yam xws li Notepad ++ kom nws tso tawm kom raug.

Piv txwv rau 113 LEDS: const char prefix = {0x41, 0x64, 0x61, 0x00, 0x70, 0x25};

Exple rau 278 LEDS: const char prefix = {0x41, 0x64, 0x61, 0x01, 0x15, 0x41};

Qhov kawg ntawm txoj cai, hauv qhov check_source () niaj hnub, qhov no yog qhov uas koj tuaj yeem hloov pauv rau txhua qhov chaw cov ntaub ntawv uas yuav raug nthuav tawm ntawm LCD thaum lub hauv paus raug xaiv zoo li TV lossis PS4 lossis khoos phis tawj thiab lwm yam …

Koj tuaj yeem teeb tus cursor LCD ib yam kom muaj lub npe luam tawm hauv nruab nrab ntawm LCD.

Thaum koj zoo siab nrog koj cov cai koj tuaj yeem xa nws mus rau koj Arduino thiab tshawb xyuas tias nws ua haujlwm raug nrog yam tsawg kawg ntawm LCD rau tam sim no.

Thaum koj lub Arduino tau teeb tsa, thov ntxiv 10uF capacitor nruab nrab ntawm tus pin GND thiab RESET. (Tus pin rov pib ua + ntawm lub capacitor).

Qhov no yuav tiv thaiv Arduino los ntawm kev rov pib dua thaum cov ntaub ntawv xov xwm los ntawm Pi thaum lub kaw lus pib.

Yog tias koj xav tau rov sau dua Arduino, tshem lub capacitor ua ntej txhais tes thiab hloov nws ib zaug thaum nws ua tiav.

Kauj Ruam 11: Nqa Nws Txhua Qhov Ua Ke thiab Xeem

Raspberry Pi thiab Arduino tam sim no tuaj yeem txuas nrog USB cable.

LED sawb tau txuas nrog lub thaiv thiab rau Arduino.

Arduino thiab Raspberry tau teeb tsa.

5V cov khoom siv los ntawm cov khoom siv hluav taws xob mus rau txhua qhov sib txawv hloov pauv Arduino thiab Raspberry.

Thaum lub zog siv rau lub phiaj xwm phiaj xwm, lub HDMI hloov hluav taws xob LED lub teeb ci, Lub hauv paus tuaj yeem hloov pauv los ntawm kev txhais ntawm cov chaw taws teeb tswj lossis khawm ntawm tus hloov pauv.

Xaiv lub hauv paus ntawm koj lub TV uas koj txuas nrog lub xov tooj tseem ceeb los ntawm lub thawv tsim tawm thiab saib yog tias koj tau txais cov duab ntawm lub vijtsam los ntawm qhov twg los xij uas koj tau xaiv ntawm koj tus hloov pauv.

Tom qab ob peb feeb, cov kab hluav taws xob LED yuav tsum maj mam ci thiab hloov mus. Qhov no txhais tau tias Arduino tau pib thiab kev sib txuas nrog LED sawb yog qhov zoo.

Tsis ntev tom qab, cov hlua LED yuav tsum pib tso xim raws li cov ntaub ntawv dhau los ntawm Raspberry.

Ua tiav !! Tam sim no koj tau ua tiav koj txoj haujlwm thiab tuaj yeem pib txaus siab rau qee qhov lom zem TV teeb pom kev

Kauj Ruam 12: Tswj Koj Lub Teeb LED Los Ntawm Koj Lub Xov Tooj

Txhawm rau ntxiv qhov lom zem rau qhov no, koj tuaj yeem rub tawm App ntawm Iphone, Kuv paub tseeb tias nws yuav tsum muaj rau lwm yam khoom siv ib yam.

Kev siv tau yooj yim heev, tsuas yog xyuas kom koj Pi thiab LED sawb tau qhib thiab nias lub pob Tshawb xyuas nyob rau sab saud. Nws yuav tsum txheeb xyuas Server, uas koj tuaj yeem tso npe raws li koj xav tau.

Xaiv nws thiab koj tau teeb tsa tag nrho, koj tuaj yeem xaiv cov xim los ntawm lub log xim thiab koj kab txaij yuav teeb pom kev raws lossis xaiv los ntawm cov teebmeem sib txawv kom pom.

Qhov khoom plig thib ob hauv Raspberry Pi Contest 2016