Arduino MEGA Guitar Pedal: 5 Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:29

pedalSHIELD MEGA yog lub khoos phis tawj pedal uas ua haujlwm nrog Arduino MEGA 2560 thiab MEGA ADK cov laug cam.

Txoj haujlwm yog Open Source & Open Hardware thiab tsom rau hackers, cov kws ntaus nkauj thiab cov programmer uas xav kawm paub txog DSP (kev teeb tsa digital), ua suab paj nruag, thiab sim yam yam tsis muaj kev paub tob txog hluav taws xob lossis kev qhia nyuaj.

Koj tuaj yeem npaj koj tus kheej cuam tshuam hauv C/C ++ nrog tus txheej txheem Arduino IDE cov cuab yeej thiab tau txais kev tshoov siab siv lub tsev qiv ntawv cuam tshuam los ntawm kev tshaj tawm ntawm pedalSHIELD MEGA lub rooj sab laj online.

Kev qhia tshwj xeeb

• Raws li Arduino MEGA 2560 / ADK (16MHz, 8KB RAM).
• Analog theem siv TL972 kev tsheb nqaj hlau-rau-tsheb nqaj hlau ua haujlwm amplifier.
• ADC: 10 ntsis.
• The Output Stage: 16 khoom (2x8bits PWMs khiav ua haujlwm)
• OLED Screen: 128x64 daws teeb meem, 1.3 nti (kuj tseem siv tau nrog 0.96 "), I2C.

• Interface:

  • 2 Configurable laub khawm.
  • 1 Kev hloov kho tau.
  • 1 programmable xiav coj.
  • True Bypass Foot-switch
  • OLED Zaub

• Txuas

  • Tswv yim Jack, 1/4 nti tsis sib luag, Zin = 0.5MΩ.
  • Output Jack, 1/4 nti tsis sib npaug, Zout = 0.1Ω.
  • Fais fab mov: lub zog siv los ntawm Arduino MEGA board (12V DC).

Kauj Ruam 1: Tau Cov Cheeb Tsam thiab PCB

Txhua qhov khoom siv hluav taws xob siv tau dhau los ntawm qhov thiab yooj yim-rau-nrhiav. Koj tuaj yeem pom daim ntawv teev cov khoom ua tiav ntawm no:

pedalSHIELD MEGA Bill of Materials

Txog PCB koj tuaj yeem tsim koj tus kheej siv veroboard thiab ua raws cov txheej txheem, kuj hauv EletroSmash Store muaj PCBs muag:

pedalSHIELD MEGA SCHEMATIC

Kauj ruam 2: Soldering Circuit

Cov ntawv qhia no uas piav qhia yuav tsim lub pedlaSHIELD MEGA ib qib zuj zus nrog cov duab thiab cov ncauj lus kom ntxaws:

Yuav Tsim Li Cas pedalSHIELD MEGA hauv 5 Kauj Ruam

Kuj tseem muaj Flickr gallery nrog cov duab zoo nkauj ntawm txhua kauj ruam:

Flickr pedalSHIELD MEGA gallery

Kauj Ruam 3: Kawm Electronics - Nkag Siab Txog Circuit

Cov ntaub thaiv npog no uas tau muab tso rau saum Arduino MEGA muaj peb ntu:

1. Analog Input Stage: Lub teeb liab guitar tsis muaj zog tau nthuav dav thiab lim, ua rau nws npaj rau Arduino MEGA ADC (Analog rau Digital Converter).
2. Arduino MEGA Board: Nws yuav siv cov txheej txheem digital los ntawm ADC thiab ua txhua DSP (Kev Ua Teeb Meem Digital) tsim cov teebmeem (cuam tshuam, tsis meej, ntim, ncua, thiab lwm yam).
3. The Output Stage: Thaum cov txiaj ntsig tshiab tau tsim los hauv Arduino MEGA pawg thawj coj, theem kawg no yuav siv nws thiab siv ob qho PWMs ua ke tsim cov teeb liab analog.

Yog tias koj xav mus tob dua thiab kawm txhua yam ntxaws ntxaws, kuj tseem muaj kev tshuaj xyuas ib ntu:

pedalSHIELD MEGA Circuit Analysis

Yog tias koj muaj teeb meem nrog Circuit Court, muaj lub ncauj lus ntawm lub rooj sab laj rau kev daws teeb meem:

Yuav ua li cas daws teeb meem pedalSHIELD MEGA

Kauj ruam 4: Pib Programming

Txheeb xyuas "Yuav Pib Li Cas Rau Kev Ua Haujlwm pedalSHIELD MEGA" phau ntawv qhia. Nws yog phau ntawv qhia luv luv kom pib ua tus lej no pedalSHIELD MEGA guitar pedal. Lub hom phiaj yog nkag siab cov tswv yim yooj yim thiab tom qab ntawd nce qib sai li sai tau los ntawm kev ua piv txwv.

Cov piv txwv piv txwv uas twb muaj lawm hauv lub rooj sab laj, mus los ntawm yooj yim mus rau nyuaj yog:

• Ntxuav Pedal
• Ntim/Booster Pedal
• Distortion Pedal
• Fuzz PedalBit-Crusher Pedal
• MetronomeSineWave Generator
• Daft Punk - Octaver Pedal
• Ncua PedalEcho Pedal
• Reverb PedalCorus Pedal
• Vibrato Pedal Cov
• Chorus + Vibrato
• Tremolo
• Cov Teeb Meem Ntau Yam: Ncua Sijhawm + Tsis Txaus Siab + Fuzz + BitCrusher [/li]

Koj zoo siab tos txais koj cov tswv yim thiab cov pedals rau lub rooj sab laj!

Kauj Ruam 5: Kawm thiab Tsim Koj Lub Suab

Txoj hauv kev zoo tshaj plaws rau kev nce qib yog siv cov piv txwv los ntawm lub rooj sab laj thiab hloov kho kom haum rau koj li kev teeb tsa lossis cov qauv. Tsuas yog hloov qee qhov txiaj ntsig lossis qhov ntsuas tuaj yeem ua qhov txawv txav.

Thaum koj tau nkag siab cov piv txwv yooj yim, koj tuaj yeem xav txog yuav tsim koj tus kheej li cas pedals tshiab (rov qab ncua? Asymmetric fuzz?) Lossis sib xyaw qee qhov piv txwv (fuzz+echo? Distortion+delay?). Muaj ntau qhov txiaj ntsig tsis tau tshawb nrhiav kom pom;)!

Muaj qhov kev tshuaj xyuas txias los ntawm Blitz City DIY hauv YouTube: pedalsHIELD MEGA Tshuaj Xyuas