The electronic part is finished, everything works.
I added the SmallyMouse 2 module to connect a USB mouse directly.
I just regret having put the RJ12 connector at the back, it bothers.
There is more to do than the box.
TT030 4/32 TOS 3.06 SCSI2SD 5.x HD, Mega STE 4Mb TOS 2.06 DD, Mega ST4 DD miniCosmosEX, Mega ST2 DD, 1040 STE DD, 2 x 1040STFM DD, 2 x 1040STF, MegaFile 30, Lynx 1