Which one should I buy?
If I buy same model I can reuse the box, but I don't know if there are better options.
I'd buy an AY-AT type clone. But you could also replace the ATmega any maybe recover the old one by a programmer supporting the HV method.
Thanks @madires.
I've a atmega m328p in an "arduino micro pro" that woukd fit but I'm not a good solder guy so I think that if I try to desolder an resolder that small smd chip I'll fail and I'll have two broken devices
So as that devices are inexpensive (from 5€) I decided to buy a new one, and the AY-AT that I've found are quite similar to my LCR T4 broken but have a rotary button and more I/O pins.
I've found some M328 that looks like an AY-AT but most of them are in kit, I've no problem to solder but not smd components so I think that I'll buy an assembled one.
-Have AY-AT more functions than a plain LCR-T4? ie: test zenner diodes, optocoupler, ... (I've found theese option when I compiled your firm)
On the other hand this devices have a TFT color screen that is much better but I supose that those screens consumes more energy than a LCD one.
Thanks.
Edited:
finally I bought an assembled “gm328” device with case that looks identical to this:
https://yadi.sk/d/yW8xa5NJgUo5z/M328Kit%2BTFT/Photoand I think that matches with AY-AT design.
There is a version called gm328a with smd but I choosed non smd version.
Thanks for your advice.