Feature: 100% new and high quality. Attention: Make the Please allow a little size error due to manual measurement. Material: PCB + Electronic Components Support 3.3 V 5.5 V Main Colour: Red Chipset: FT232RL USB power has the current protection, the use of fuse 500 mA auto-restaurar Indicator of communication RXD/TXD transceiver The pin definition: DTR, RXD, TX, VCC, CTS, GND Pitch: 2.54 mm Size of module: ca. 36 mm (Length) * 17.5 mm (Width) Includes: 1 x FT232RL USB to TTL Module Adapter
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This product is difficult to rate as the device functioned perfectly well out of the box but was then 'sabotaged'. I am sure that this issue is not restricted to this one device from this one supplier so anyone thinking of buying anything similar should be aware of this issue. For me, all went well at first and the device worked perfectly. However once my computer was rebooted and the FT232RL FTDI USB 3.3V 5.5V to TTL Serial Adapter attached again the device could not be reached. After doing some research discovering the cause of this problem.
As a result of a recent Windows update the new driver for the chip at the heart of this device is at risk. All 'none genuine' FTDI chips can possibly be made inactive. It isn’t just that the 'none genuine' FTDI chips won’t work if plugged into a machine running the newest driver; this driver will make a small change to identity of the chip and make it inoperable with ANY computer. Unfortunately the FT232RL FTDI USB 3.3V 5.5V to TTL Serial Adapter I bought here seems to have a chip which is 'bricked' by this driver.
There are apparently ways to 'unbrick' the chip but they are not for the faint hearted. Once unbricked old drivers can be used. I certainly will be trying to recover this device. I see it as a challenge - in several ways.
I can see what the chip manufacturer is trying to do here however this tactic is double edged. They are making the world aware that there maybe a problem with the authenticity of a chip which is labelled with their name. There will then be a certainty that if it is not genuine it will not work. People will start to think twice about buying anything which contains this chip and look for alternatives.
So why two stars? I bought this device so that I could get on with doing other things and I believe it is perfectly capable of doing them. I was not expecting getting it to work more than once to be a challenge. I definitely didn't expect to get caught in a brand protection fight and pay for the privilege!
Basically, this module contains a FAKE FTDI device and as stated previously, this module and probably every other similar module contains a counterfeit FTDI R232 chip which Future Technologies recently "bricked" by sending out an updated driver. The driver overwrites the "Product ID" or PID of the device from "6001" to "0000" which renders the module unrecognisable to the driver. You can reinstate the correct PID with FTDI's own software but the driver will simply overwrite it again so you also need to change the driver for an older version.
The morality and legality of FTDI's actions I leave to others to discuss but, I have a driver that will work with the "bricked" fake-FTDI chip as well as the real article so, if anyone wants to know how to modify the offending driver, PM me.