for ( j = 0; j < 8; j++) { GPIOB-> BSRR = (j); HAL_Delay(10); GPIOB-> BRR = (j); HAL_Delay(10); }

[binok]

Hello.

When the A0,A1,A2 pins of 74HC138 are 0,0,0 

Pulse is weird.

I wonder what the cause is.

[Tesla DeLorean]

>>I wonder what the cause is.

Logic doesn't work the way you think

[binok]