jmalima69
Q: The leads look corroded in the pictures. Are the resistors OLD?
perguntado por PC317 sobre 2021-03-22 01:09:39
jmalima69 Update: I didn't succeed in programming these devices using the Arduino way of uploading sketches. Either there was a problem my USB-TTL adapter is not compatible with these devices, or there was a problem with the bootloader. Maybe there was no bootloader at all, but there was no mention of that in the product description. Finally I managed to program the device via ISP. Programming via ISP is not so difficult, if you have another Arduino (or an ISP programmer) and brings some advantages. But if you plan to buy these modules beware that you might have problems uploading sketches the usual way.
jmalima69 Thisis a converter from 230VAC single phase to 230VAC x 3 phases (380 VAC between phases), 2,2KW total power. Whether this works for a particular 3 phase AC motor depends on the power requirements of that motor and whether it is a 380VAC motor.
2021-01-27 02:30:53 Útil (0)
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jmalima69 The resistors are new and have tight tolerances. I didn't see any signs of corrosion in the product, but I also don't see any signs of corrosion in the picture.
2021-03-28 03:56:59 Útil (0)