HydraDBG v0.1 (shield for HydraBus v1) is alive it include latest @EspressifSystem ESP32-WROOM-32E with STLINKV3-MODS @ST_World
So you can debug your HydraBus v1 and use it with UART1@10.5Mbauds (over USB 2.0 HS USB Serial Port) and as bonus use the ESP32 Dual Core WiFi/BT pic.twitter.com/vaolqCuy9e

— hydrabus.com (@hydrabus) October 6, 2020