Part of that community has done a migration to https://electrical.codidact.com - it doesn't have as much activity or visibility as StackExchange... but its there.
> EDAboard.com is an international Electronic Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more!
There’s a pretty good community associated with 1bitsquared, a vendor for a whole bunch of embedded/fpga hardware tools: https://1bitsquared.com/pages/community