4-bit counter
https://www.tinkercad.com/things/dyq13dkbavs-4-bit-counter/editel?returnTo=%2Fdashboard%2Fdesigns%2Fall&sharecode=3WwDM4g8HWS0u-Ddelf3N_7iQIP06lLXvS3NwwEraI0

https://www.tinkercad.com/things/dyq13dkbavs-4-bit-counter

SOS 01
https://www.tinkercad.com/things/dmDbY6gdIQg-sos-01/editel?returnTo=%2Fdashboard%2Fdesigns%2Fall&sharecode=A7rcKJHRYRa94S78L2hRvtiHQZKwoF1JpEq8uI4zNa8

https://www.tinkercad.com/things/dmDbY6gdIQg-sos-01

Serial plot
https://www.tinkercad.com/things/aa3EDjV26ub-serial-plot/editel?returnTo=https%3A%2F%2Fwww.tinkercad.com%2Fdashboard%2Fdesigns%2Fall&sharecode=wnZ6jek791K6EUKtM7iJfFXmedOJPVs88GI8OdYyZoA

https://www.tinkercad.com/things/aa3EDjV26ub-serial-plot

potMet basic
https://www.tinkercad.com/things/7N59ZM33tT3-potmet-basic/editel?returnTo=https%3A%2F%2Fwww.tinkercad.com%2Fthings%2Faa3EDjV26ub-serial-plot&sharecode=yidauYGBtk3uV6p3ID8oWfOoYHZDLI6fOh96s-sZps4

https://www.tinkercad.com/things/7N59ZM33tT3-potmet-basic