Esk8 board brakes on its own

Hi my esk8 board is custom built. No issues when I first built it and riding it. Now it has like start to break on its own when I slow down. And sometimes when moving off the brake is still holding on. I am using the nunchuck receiver hotwired to vesc

Hi . How are you

Great. Giving the skateboard a rest for now

But it’s winter. Perfect time to test. Lol