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Customer Reviews

Average Rating: 5 (63 Reviews)
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  • May 06, 2013

Hello good report quality / price but technical documentation deplorable! Good product and attractive Price, but very bad technical information about the product. ATTENTION, this module does not power in 5V, I nearly grill it! 3.3V power supply OK but seems to support the TTL levels in 5V on TX and RX To supply 3.3V very simple solution via LDO regulator 3.3V or more simply: + 5V R = 82 ohms Red led red / 0V | | | Alim for the module | power the module via the voltage across the 2 leds (lit !!). PAY ATTENTION TO THE POWER SUPPLY, MUST BE 3,3V NOT 5V !! Bonjour

Bon rapport Qualite/prix mais documentation technique deplorable !

Good product and attractive Price,
but very bad technical information about the product .


ATTENTION, ce module ne salimente pas en 5V,
jai failli le griller !!!
Alim 3,3V OK
mais semble bien supporter les niveaux TTL en 5V sur TX et RX
Pour lalimenter en 3,3V solution tres simple via un regulateur LDO 3,3V
ou plus simplement:
+5V R=82 ohms Led rougeled rouge / 0V
| |
| < Alim pour le module |

alimenter le module via la tension aux bornes des 2 leds (alluméées!!).

PAY ATTENTION TO THE POWER SUPPLY, MUST BE 3,3V NOT 5V !!

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  • Mar 12, 2013

The product works perfectly at different voltages, both 5V and 3.3V. It is a tool that allows you to repair some devices such as hard drives, etc. The relation quality price is very good. If your computer only has USB connectors you will need a USBRS232 converter. Good product. El producto funciona perfectamente a distintas tensiones, tanto a 5V como a 3.3V. Es una herramienta que permite reparar algunos dispositivos como discos duros, etc. La relación calidad precio es muy buena. Si tu ordenador sólo dispone de conectores USB necesitarás un conversor USBRS232.

Buen producto.

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  • Jan 10, 2016

where usefull for project thumbs up where usefull for project thumbs up

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  • Nov 24, 2015

all right, good item, good price. Thank you all right, good item, good price. Thank you

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  • Oct 29, 2015

Delivered as expected. Product also meets my expectations Delivered as expected. Product also meets my expectations

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  • Oct 07, 2015

Arrived to day have not tested it, but looks fine Arrived to day have not tested it, but looks fine

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  • May 31, 2015

RS232 connector port for arduino serial interface RS232 connector port for arduino serial interface

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  • Nov 11, 2013

received and everything is OK, good received and everything is OK, good

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  • Apr 19, 2013

works fine and looks right free shipping fine works fine and looks right free shipping fine

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  • Jan 08, 2017

The ítem arrived on time and in good shape. The ítem arrived on time and in good shape.

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