Found it! Works with USB reset command, there is a micro jumper, hard to see with human eyes (at least mine! 
) it’s necessary to joint it to have a better place to solder at pin 7 pad. It switches from 3.33v to 0
Found it! Works with USB reset command, there is a micro jumper, hard to see with human eyes (at least mine! ) it’s necessary to joint it to have a better place to solder at pin 7 pad. It switches from 3.33v to 0