dhiraj.mahajan
Member level 1
hello;
Need help in SPI communication CPU bord to External LDM borde to switch 230VAC for Relay but 230VAC connect external board to not switch rely but without 230VAC connection work properly what is the problem in design
- - - Updated - - -
all i/o Expander will be opreted in SPI communication that i/o expander not wrk proper
Need help in SPI communication CPU bord to External LDM borde to switch 230VAC for Relay but 230VAC connect external board to not switch rely but without 230VAC connection work properly what is the problem in design
- - - Updated - - -
all i/o Expander will be opreted in SPI communication that i/o expander not wrk proper