These photos are of the Triggered Controller also known as the 1 step sequencer. I have no additional information on this module but from the controls it appears to provide a V-Trig output with three adjustable CVs whenever it is "on" so indeed it is a 1 step sequencer.

The circuitry is fairly simple. It likely consists of a simple discrete flip-flop which drives the three potentiometers and generates the trigger.

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