ES21 10-Step Sequencer
ELBY Designs - Laurie Biddulph
9 Follan Close, Kariong, NSW 2250, Australia
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Due to an error in production there are currently two variants of the same revision of the
Main PCB.
Please refer to the table below to determine which variant you have and which Build
Guide you should use. The identification is achieved by the location of R303.
If your PCB has R303 in this location then
continue with the instructions in the
document
If your PCB has R303 in this location then
please follow
to the appropriate