I am using openbci circuit and insert 5V
My ldo regulator make 3v DVDD and 2.5v Avdd -2.5 avss
But VCAP1 appear -1.1 when i see datasheet that appear when i start power on and reset. I must waiting for VCAP1 above 1.1 V
But my circuit VCAP1 is -1.1v (minus)
So i dont know why.. please help me