PeterSo, after a deeper inspection of the board I found the real reason of the problem...not the solder joint in the connector, one cable was connected to the wrong relay...and so databus[3] was connected to databus[4] because the databus[3] was was connected to the wrong relay:
Discussions
Become a Hackaday.io Member
Create an account to leave a comment. Already have an account? Log In.