This video, via Voltage Control Lab, demonstrates how you can use a Korg SQ-1 sequencer as MIDI to control voltage converter.
The Korg SQ-1 is a compact step sequencer with 2 x 8 steps. Its wide array of connectivity options allows it to be connected to the Korg MS-20, Korg Volca devices, the littleBits platform and any MIDI synthesizer.
For another take on the technical side of the SQ-1, this earlier video offers a look inside the Korg SQ-1 sequencer.
Pricing and Availability
The Korg SQ-1 has a street price of about US $99. It’s available now via Amazon and other online retailers.
I agree you can use the korg for this
but its main thing is the sequencer part
and it is pretty flexible