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Forum Index : Microcontroller and PC projects : WIN 10 USB TTL adapter
| Author | Message | ||||
| DaveC166 Regular Member  Joined: 13/09/2012 Location: New ZealandPosts: 44 |
on a rainy sunday morning i decided to upgrade my toshiba Satellite Pro to Win 10, all went well except my Prolific PL-2303HX usb to ttl adapters no longer work. Can any one recomend a source of Win 10 compatible USB TTL converters ? |
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| DaveC166 Regular Member Joined: 13/09/2012 Location: New ZealandPosts: 44 |
all 4 usb ttl adapters still work on my Win 7 desktop. the Prolific web site sugests they are fakes |
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Geoffg Guru  Joined: 06/06/2011 Location: AustraliaPosts: 3303 |
Just what we need, more fake USB TTL adapters and manufacturers making sure that we, the purchaser, take the pain. I know that this does not help but I have found that adapters based on the Silicon Labs CP2102 chip work well and are very cheap (less than US$2). I was so fed up with the others that I threw them in the bin and bought a dozen of these. Geoff Graham - http://geoffg.net |
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BobD Guru Joined: 07/12/2011 Location: AustraliaPosts: 935 |
Prolific does not provide driver support for these chips for Windows 8 and 10. Here is a link to get the drivers to work on Win 8. It may work with Win 10 also. Good luck. |
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MicroBlocks Guru Joined: 12/05/2012 Location: ThailandPosts: 2209 |
I still not understand why these USB-Serial are not using the standard Microsoft CDC driver. Must be something in the hardware of the chip that prevents it. I switched about a year ago to Microchips chips after having problems with the FTDI's (yes probably fake, but how to know when you buy them!)and never had problems since. They have now 2 versions available and if you check my posts you can see i used a PIC16F1455 to make one myself. Firmware is available on request. Microblocks. Build with logic. |
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| robert.rozee Guru Joined: 31/12/2012 Location: New ZealandPosts: 2447 |
can the PIC16F1455 be set up to use the microsoft CDC driver? my understanding is that even if a device does use the microsoft driver, you still need to provide windows with a .inf file, although this is just a short text file. i agree with geoff that the Silicon Labs CP2102 is a good choice - cheap, available, and stable drivers. it seems that nobody has bothered trying to clone the SiLabs devices. cheers, rob :-) |
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| matherp Guru Joined: 11/12/2012 Location: United KingdomPosts: 10406 |
MicroBlocks's code for the PIC16F1455 that incorporates the ASCII programmer using your work uses the Microsoft CDC driver without anything needing to be installed on the PC (W10) |
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| MicroBlocks Guru Joined: 12/05/2012 Location: ThailandPosts: 2209 |
Correct the USB is interrogated and it returns that it implements a CDC device. For Windows 10 that is enough information. I suspect that it first tries to find the PID/VID combination and uses the CDC as a kind of default. Anyway for the OS it is sufficient to know it is a CDC compliant device. Older version (i am not sure how old) but for instance windows XP needs a .inf file with the specific VID/PID combination to be able to load a driver. Microblocks. Build with logic. |
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| DaveC166 Regular Member Joined: 13/09/2012 Location: New ZealandPosts: 44 |
Thanks, I have just ordered 5 CP2102 based usb ttl adapters on Ebay This morning i visited www.ifamilysoftware.com/news37.html and downloaded a PL2303 driver installer. Now my Prolific PL-2303HX adapters work on all com ports of my win 10 64bit laptop. There is hope for everyone else that uses the cheap Ebay PL-2303 adapters that may use fake PL-2303HX chips |
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