kas:
Please try again Andro_four_PWM_B.ino and let me knowAlso confirm that no devices (motor driver, ...) are attached to Arduino
Did it work before ?, did you change something in your Arduino setup ?
did you change something in your smartphonr setup ?
Give me more info, I need to reproduce this situationEDIT: please confirm your phone brand, model and android version
não fiz nenhuma alteraçao,
testei o codigo com o driver
testei tambem somente com arduino sem o driver
o problema é realmente o aumento de cpu e ram ,com o codigo deadMan
j2 prime android 6.0, 1,5G de ram