Set 1 and set 2 cameras.

Electronic schemes of the system:

Top view scheme of the set 1 and 2 shutter system. S - step motor, K - solargraphy camera, P - shutter, N - cap with limiter, X - pinhole, O - axis of the step motor, B1 and B2 - shutter limiting rotation locks.
First attempts to record the analemma:

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