have clone upa usb programmer software v1.3r2 with printed 05.2.9 at hardware board. half time software don't recognise hardware and don't show serial number, but sometimes working ok. change usb cables and resoldering board don't halp. i want to chack content in 24lc128 if someone can send me and some advice for fix my upa. do not say me buy original. i have a lot of originals programmers but only want fix this one. hardware test show this message: USB Module is not connected. Please close this window, (re)connect the programmer and run self-test again
thanks in advance.
problem found and solved. problem about cyp 623671
thanks all
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