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  • 03/10/2017

    The firmware in this tester is called Mtester version 2.68. But it's a very old one and unknown by the developer, the latest version atm is the fork from Karl-Heinz Kübbeler: TransistorTester 1.13k. I updated the tester with the recommend firmware but there was a problem, because this one use a 16Mhz crystal. Ok, no problem, WinAVR is my friend and i made compiled my own 16Mhz version, sourcecode is available in the www, And now it's a great device, next i replace R1-R6 with 0,1% resistors. ;-)

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  • 23/03/2021

    A powerful device that tests and measures many components and still identifies semiconductors, and measures very important ESR values for electronic technicians and students. Arrived very fast and without any hassle in shipping. I took advantage of and tested some components I had on top of the countertop. Look at the photos. A big appliance for such a small cost (price). And it still brings a clear acrylic box to the cabinet that also houses the pile. My congratulations to the GeeKcreit Brand have a lot of very good modules and kits wind. And as I always recommend. Thank you Banggood

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