The backlight of msp430f5529 seems to be not original and does not have a backlight. I have a board now, and the backlight does not light up after the program is written. I don't know how to judge whe...
I always thought the board was 4 layers.
But today, I looked carefully at the bright place and found...................
There is no power layer in the middle of the board!...
I am very happy to receive TLP3547 today. I can't wait to open the package: there is a manual and a small box.The following photo is the small box, which is very delicate and prevents the damage cause...
rt, the Internet says it is 100% open source, but I can't download it. Since I don't have PB installed, please provide me with a copy. Thank you very much!...
The wiring schematic diagram of the three-phase four-wire active energy meter with current transformer, current meter and voltage transformer: The three transformers S1 are connected to meters 1, 4 a...