my son got an mBlock recently. He’s been using it until last Wednesday without any problem. But on Thursday it did not work anymore. When powering it up, the LED “PWR” lights up, the bluetooth module blinks as usual, we can even connect through bluetooth on MakeBlock. But when executing any program (involving motors, LED, etc…) it has absolutely no effect (unlike the day before when it was working of course)…
Could anybody help us ?