DESCRIPTION:
Some clips of my circuit bent bontempi memoplay + sequencer + filter + dividers, pll etc.... Had some fun with a bontempi memoplay keyboard and built some extra circuitry to improve it sound capabilities :) It has a 4051 based sequencer, filter, 4520 dividers for sounds, 4046 pll. The circuits are controlled with the sequencer using simple led+ldr.