BlueSCSI & ArdSCSino are hardware that reproduces SCSI devices (hard disks) with an Arduino STM32F103C (aka Blue Pill.)
BlueSCSI created by erichelgeson is a fork of ArdSCSino-stm32 which adds:
ArdSCSino-stm32 created by ztto is the STM32 version of ArdSCSino
ArdSCSino created by Tambo (TNB Seisakusho)