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Author Topic: USB to serial cable that work, sometimes. A possible fix  (Read 5398 times)

Offline PlCUSER

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #40 on: January 29, 2012, 02:14:25 PM »
inverted data sir alyas? kapag nagsend ka nang data na ganito "▲", ganto naman marereciv mo "▼" ? ;D ;D ;D

Quote from: alyas on January 29, 2012, 02:07:07 PM
Yung mga cdrkong usb-rs232 cable, walang negative swing but rather 0V siya.
hindi lahat. ung binibili ko dati na na may blue rubber mold, may -5V
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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #40 on: January 29, 2012, 02:14:25 PM »

Offline 0b00000111

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #41 on: January 29, 2012, 02:51:58 PM »
Quote from: PlCUSER on January 29, 2012, 02:14:25 PM
inverted data sir alyas? kapag nagsend ka nang data na ganito "▲", ganto naman marereciv mo "▼" ? ;D ;D ;D

;D ;D ;D
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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #41 on: January 29, 2012, 02:51:58 PM »

Offline rdpzycho

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #42 on: January 29, 2012, 02:57:02 PM »
Quote from: PlCUSER on January 29, 2012, 02:14:25 PM
inverted data sir alyas? kapag nagsend ka nang data na ganito "▲", ganto naman marereciv mo "▼" ? ;D ;D ;D

 ;D ;D ;D
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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #42 on: January 29, 2012, 02:57:02 PM »

Offline RiDdLeR???

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #43 on: January 29, 2012, 04:51:30 PM »
hehehehe binanatan na ko ni sis picpic  >:( ;D ;D

picpic = 1
alyas  = 0

hindi na bale, ang mga namamalimos naman hindi pwede umangal o magreklamo  ....    yung arduino uno r3 sis picpic ha!  alam ko hardcore picpic ka kaya labs na labs mo yung chipkit max32 at ibibigay mo na lang sa aking yung uno r3.  ;D ;D ;D

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #43 on: January 29, 2012, 04:51:30 PM »

Offline PlCUSER

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #44 on: January 29, 2012, 06:31:14 PM »
ayeoh. nakow wag ka maniwala sa dalawang yan sir alyas. magaling mag edit ng post ang mga yan.

Quote from: 7_SeVeN_7 on January 29, 2012, 02:51:58 PM
inverted data sir alyas? kapag nagsend ka nang data na ganito "▲", ganto naman marereciv mo "▼" ? ;D ;D ;D
Quote from: rdpzycho on January 29, 2012, 02:57:02 PM
inverted data sir alyas? kapag nagsend ka nang data na ganito "▲", ganto naman marereciv mo "▼" ? ;D ;D ;D
sa kanilang dalawa talaga galing yan. ;D ;D ;D

Quote from: alyas on January 29, 2012, 04:51:30 PM
ang mga nanghihiram naman hindi pwede umangal o magreklamo  ....
;D ;D ;D
pwd siguro. kahit hindi pa completely sakin un. hindi kasi mapakinabangan. hindi na nga maka pag program ng mega2560, hindi pa magamit sa Tweeter application.

buti pa tong diy mega2560, pwd.


nga pala, eto sir alyas, ayaw mo na? wala din silbi eh. hindi din makapagload ng bootloader ng mega2560. ;D ;D ;D

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #44 on: January 29, 2012, 06:31:14 PM »

Offline Ikasamoko

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #45 on: January 29, 2012, 11:04:49 PM »
daming laruan ng bruha...;D
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Offline elmertronics

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #46 on: February 01, 2012, 01:45:38 PM »
tanong lang po. .working ba ito pag gamitan ng usb hub?. .let say merong 4 usb port ang usb hub tapos saksakan ng 4 na usb-to-RS232 cable. .madetect kaya ng computer na merong 4 COM ports?. .kung working naman babagal ba ang rate ng pagtransfer ng data?. .
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Offline rdpzycho

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #47 on: February 01, 2012, 01:57:29 PM »
nope. sa batch upgrade namin ng mga modem, minsan gumagamit pa ng 8 USB to RS232 per PC.
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Offline elmertronics

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #48 on: February 01, 2012, 02:06:06 PM »
^paano naman po kayo nakaconnect ng 8 usb-to-serial per PC?. .
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Offline rdpzycho

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #49 on: February 01, 2012, 02:11:53 PM »
PCI USB card + 'yung 4 na kasama sa motherboard. hub lang din 'yung PCI card.

minsan lang nagkakaroon 'yan ng conflict kaya kailangang pwesahing palitan 'yung mga drivers and/or 'yung assigned COM port.
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‎"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
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Offline elmertronics

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #50 on: February 01, 2012, 02:21:24 PM »
ah dapat hindi lang pala ordinaring hub ang gamitin. .kapag yan po ang gamitin ilan ang maximum na pwede iconnect?. .
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Offline PlCUSER

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #51 on: February 01, 2012, 02:23:52 PM »
Nakapag try na ko ng 2 ftdi usb2serial sa usb hub. Wala naman problema.
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Offline rdpzycho

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #52 on: February 01, 2012, 05:08:26 PM »
Quote from: bonjee on February 01, 2012, 02:21:24 PM
ah dapat hindi lang pala ordinaring hub ang gamitin. .kapag yan po ang gamitin ilan ang maximum na pwede iconnect?. .

kahit ordinaryong hub lang pwede 'yan. mas madali lang kasi para sa amin gumamit nung nasa PCI para less 'yung dangling cables.

practically, 'yung mga USB port ng PC ay connected din sa hub internally.
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‎"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
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Offline elmertronics

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #53 on: February 01, 2012, 09:53:51 PM »
tanong po ako ulit. .alin po ang marecommend nyo: long distance (about 50m) na usb cable or serial  cable?. .
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Offline toasted siopao

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #54 on: February 01, 2012, 09:57:16 PM »
Wala, mag CAN ka na lang.
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Offline rdpzycho

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #55 on: February 01, 2012, 10:10:19 PM »
 ;D ;D ;D

50m, hirap na 'yan sa USB. check the net para sa longest na kaya ng USB. RS485 is the cheapest/simplest way.
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‎"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
- Rene Descartes

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- Clayton Paul

Offline elmertronics

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #56 on: February 01, 2012, 11:12:21 PM »
oo po nga eh. .hay. .salamat po sa mga sagot. .
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Offline elmertronics

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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #57 on: February 21, 2012, 10:10:28 PM »
nakabili ako ulit ng usb-to-rs232 cable sa e-gizmo. .merong 25% discount.. ;D ;D ;D
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Re: USB to serial cable that work, sometimes. A possible fix
« Reply #57 on: February 21, 2012, 10:10:28 PM »
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