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Blue14
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#41
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Blue14
Aquamaster
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Cand e gata?
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My nano reef
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Shubi
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#42
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Shubi
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Pai gandeste-te ca pe aceeasi bani ai 17 canale PWM (cu Nucleo STM32F411RE) cu care poti controla ldd-uri, ventilatoare. Suna altfel, nu ?
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Blue14
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#43
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Blue14
Aquamaster
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Da, e mult mai bine!
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My nano reef
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r_o_n_i
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#44
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r_o_n_i
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Blue14 wrote:Da, e mult mai bine!
Daca nu te pricepi sa legi toate firele alea, mult mai bine este dusmanul binelui  )
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byla88
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#45
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byla88
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Shubi wrote:Mi-am luat si eu sculele recomandate de Radu, si pe langa ele un Arduino Mega 2560, poate-i iau fata intunecatului, m-am apucat de citit
Astazi a sosit encoderul si display-ul  , Arduino Mega am si acum sa vad ce imi mai aduc aminte din facultate
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Lemon
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#46
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Lemon
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Poze...
This message was edited 1 time. Last update was at 04/03/2015 19:37:58
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Cryptic Cherries - West-Africa river |
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darthradu
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#47
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darthradu
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Arduino mega ala, pe langa faptul ca e scump, e foarte slab comparativ cu Nucleo.
Ca sa va dati seama de raportul calitate pret pot sa va spun doar ca au clonat-o chinezii si le-a iesit mai scumpa.
This message was edited 1 time. Last update was at 04/03/2015 19:56:26
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Multe Urari si Incantatii |
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Akaiu
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#48
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Akaiu
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Shubi wrote:Pai gandeste-te ca pe aceeasi bani ai 17 canale PWM (cu Nucleo STM32F411RE) cu care poti controla ldd-uri, ventilatoare. Suna altfel, nu ?
Nici n-am avut vreodata de gand sa fac pe 17 canale! Initial am gandit 5 canale dar plm, daca bashitilor alora de chinezoi le-a fost lene sa faca softul cum trebuie m-am reorientat pe cele 4 canele pe care le pot dima. Oricum si eu tot prin ldd-uri dau in cap la leduri. Ca si confort de programare este mult mai simplu pe PC decat sa invarti la bton pana te ia somnul. Dar si asta DIY are alte avantaje ca poti folosi toate porturile si sa-l dezvolti ulterior.
Pentru mine a fost la indemana chinezaria pt ca am rezolvat treaba instantant!
Tot astept minunatia aia de contoller facut de stapanirea forumului
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http://www.carmultimedia.ro |
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Shubi
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 04/03/2015 21:48:30
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#49
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Shubi
CNC-ist de frunte
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Acu` eu zic sa fim realisti si ca sa va spun de ce spun ca spun asta...
StormX este dotat cu un procesor Atmega328, procesor capabil sa scoata 6 canale PWM. CU acelasi procesor este dotat si Arduino Nano 3.0 de exemplu, mult mai ieftin.
Va intrebati...si atunci cum poate StormX sa scoata 16 canale PWM, pai simplu, este ajutat de un procesor PCA9685, un I²C-bus controller care are iesire pentru 16 canale PWM.
In practica StormX este compus din urmatoarele elemente:
Arduino Nano = 30 RON
PCA9685 = 10 RON
DS1307(ceas timp real)= 15 RON
display LCD 16x2 = 15 RON
Encoder rotativ cu pushbutton = 5 RON
Total = 75 RON
La cele de mai sus se adauga programul (si ala costa bani sau timp daca esti programator)
Storm X are toate chestiunile lipite pe o singura placa (arhitectura proprie, sa-i spunem) si are pretul de 95$
Arduino Mega este mult mai puternic decat UNO/Nano, are din start 16 canale PWM fara sa contina PCA9685. Arduino mega2560 R3, ultima versiune = 80 RON
S-atunci, sunt constient de faptul ca toti avem impulsul ala, de a cumpara la electronice intotdeauna ce-i mai bun, mai tare, ca cine stie ce vremuri vin, si-ti trebuie un bitt in plus.
Dar aici chiar n-avem nevoie, pentru ca face dimming si salutare s-atunci, chestiunea sta in felul urmator:
Nucleo = 77 RON
Nano= 30 RON + PCA9685 = 10 RON = 40 RON
Mega2560=80 RON
Strict pentru acest proiect Nano + PCA9685 e ultra suficient, daca este sa ne luam dupa costuri/necesar de putere.
Si, ai nevoie de PCA9685 doar daca vrei mai mult de 6 canale, insemnand un total de 2x6x14=164 Leduri
This message was edited 1 time. Last update was at 04/03/2015 21:51:38
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darthradu
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 04/03/2015 22:02:39
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#50
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darthradu
Senior member
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Bre, daca o iei dupa numarul de iesiri pwm, pot scoate pwm pe toti cei 70 de pini de la nucleo  Asta pentru ca e jmecher si-i permite arhitectura aia de 32biti la 100MHz sa faca switching full speed. (Si la mine ajunge cu 55lei nu cu 77.).
In rest sunt de acord cu voi ca daca se vrea ieftin si strictul necesar se poate si mai ieftin.
Tin pe aceasta cale sa-mi cer scuze ca nu am mai facut nici un update aici, dar promit sa ma revansez.
This message was edited 3 times. Last update was at 04/03/2015 22:05:03
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Multe Urari si Incantatii |
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Blue14
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 04/03/2015 22:19:14
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#51
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Blue14
Aquamaster
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Pana la urma cand e gata, ca la cat de ieftin e vreau cat mai repede!
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My nano reef
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Shubi
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 04/03/2015 22:58:21
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#52
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Shubi
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Eu am pus preturile efective, exact cat am platit eu pe ele, le am pe toate 3. Ma intereseaza cat scot din buzunar, nu pret de lista.
Normal, daca iei 20, transportul se imparte la 20....
Blue, pentru tine tot 450 RON ramane, ca sa simti daca-l arzi
This message was edited 1 time. Last update was at 04/03/2015 22:59:16
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Blue14
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 04/03/2015 23:00:23
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#53
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Blue14
Aquamaster
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Am inteles, pana acum e gata vreun controller dintre cele 3 placi?
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My nano reef
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dan.pavelescu
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#54
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dan.pavelescu
Liliacul
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Shubi wrote:
Blue, pentru tine tot 450 RON ramane, ca sa simti daca-l arzi
Simte pe dracu, tot taica-su trage ponoasele
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I'm Batman!
The Forgotten Sands
Release the kraken!
Soupe de poisson
Mi te supui. |
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Blue14
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 04/03/2015 23:15:08
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#55
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Blue14
Aquamaster
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dan.pavelescu wrote:
Shubi wrote:
Blue, pentru tine tot 450 RON ramane, ca sa simti daca-l arzi
Simte pe dracu, tot taica-su trage ponoasele
Normal......
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My nano reef
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darthradu
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 04/03/2015 23:30:53
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#56
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darthradu
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Imaginea din filmulet, cred ca face doar sunrise.
pinii pwm sunt: PA_7,PA_5,PA_6,PB_6,PA_9,PB_3,PB_5,PB_7,PA_10,PB_10,PC_8,PB_8
I2C pentru rtc si lcd pe (PB_4, PA_8); // SDA, SCL
encoderul pe PH_0, PH_1 si click-ul de la encoder pe PC_13 (cred ca pc_13 e si USER_BUTTON)
Filename |
StormXalike_NUCLEO_F401RE.bin |
Download
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Description |
imagine pre alfa care face doar sunrise :) |
Filesize |
44 Kbytes
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Downloaded: |
22 time(s) |
Filename |
StormXalike_NUCLEO_F411RE.bin |
Download
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Description |
pt 411 |
Filesize |
44 Kbytes
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Downloaded: |
12 time(s) |
This message was edited 3 times. Last update was at 04/03/2015 23:47:07
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Lemon
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 05/03/2015 00:27:54
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#57
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Lemon
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.bin cu ce il deschid?
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Cryptic Cherries - West-Africa river |
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darthradu
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#58
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darthradu
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Dupa ce conectezi nucleo la pc prin cablu usb,iti apare un removable drive, bin-ul atasat il copiezi acolo.
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cibserg
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 05/03/2015 18:14:56
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#59
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cibserg
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^Made in Iasi^ sau ^Buturuga si fluturi^ sau ^Terra fructuarius^ sau ^Pe urmele primaverii^ sau ^Hai la munte!^ sau ^Cycle of life!^ |
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Blue14
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#60
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Blue14
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Cisberg, te-ai apucat din nou de acvaristica marina de ti-ai facut controller?
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My nano reef
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