Available as an assembled Module and as a DIY project.
This Module is currently available.
barton bmc039 step rhythm sequencer
It has an internal clock with it's own output as well as two programmable output channels. It has EEPROM save/load function (saves patterns after powering down), and a range of 2 to 32 steps. LEDs, Pots, and Switches are all mounted to the PCB to minimize wiring
https://synthcube.com/cart/makers/michael-barton/barton-bmc039-step-rhythm-sequencer-pcb
These merchants probably sell this module. Huh?