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ELFORUM - Forumul Electronistilor
Thunderer

Barcute, barcute

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Posted (edited)
On 12/7/2014 at 8:48 PM, Thunderer said:

2. Barca motorizata neagra

Final:

post-179324-0-01928500-1418001840_thumb.jpg

ESC cu 16F690 si punte N cu Mosfeti NTD4809N alimentat la o baterie gel de 6V. Boost convertor pe spatele ESC la 10-11V cu LM2735. Curent mediu consumat sub 2A.

Radio facut pe un link de 418MHz de la Linx (seria LR). 3 canale (2 PPM + 1 ON-OFF).

 

Barca asta a evoluat (putin dupa postul original), alt radio, alt ESC.

 

Alte culori (e plina de praf...):

2fi1NqS.jpg

 

Si vedere cu noul ESC:

XCn0OPl.jpg

 

Schema folosita (desenata acum 5 ani, si modul de desenare a mai evoluat - si clar as desena-o altfel - nu-mi plac cum sunt create componentele care vin standard):

QGZHTCm.jpg

OI9gEBi.jpg

Si pe spate (interesanta optiunea EAGLE sa vezi spatele cablajului):

25Y2BKA.jpg

 

ESC-ul este full-bridge, dupa cum se vede. Complet cu mosfet-uri canal N. Schema se alimenteaza la baterie de 6 sau 12V. Un ridicator de tensiune (pe spate) alimenteaza TC4469 (driver mosfeti) ca sa permita utilizare de mosfeti N.

 

ESC-ul permite 0-100% in fiecare sens de rotatie. Nu porneste decat dupa ce mansa receptorului e trecuta prin zero. Alte functii nu are.

 

Cei care vor intradevar sa-l construiasca pot cere (si primi) cablajul (format A4 scara 1:1) si hex-ul. 

Edited by Thunderer

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Acea bara de protectie de la spatele barcii ,judecind la scara are cam 1,8m nu este prea inalta?

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