"| FPGA | MCU |..." <- > <@whitequark:matrix.org> | FPGA | MCU | > |------|------| > | 14 | PB02 | > | 15 | PB03 | > | 16 | PB22 | > | 17 | PB23 | > | 4 | PA20 | > | 6 | PA19 | > | 9 | PA21 | > | 10 | PA22 | This worked great by the way