I am very troubled a problem.my pcb is 2 layers FR4,I will use rectangular sensor button,TOP side is cover lens so overall component need placement to the button side(incould I/O port connector). so i have many question please give suggestion to me thanks.
PS: My cover lens Total height:7mm
Q1:Then AC_SHIELD how do design. this AC_SHIELD place is best?
Q2:The I2C SCL/SDA How to design would be the best, If SDA/SCL trace design at top layer is OK?
Q3:This placement have need to be improved or attention