tompoland https://www.kickstarter.com/projects/mocaf/mocaf-electric-coffee-grinder-for-all-brewing-methods Grind by weight is clever, assuming it works. Semi-variable RPM (4 settings). Not enough adjustability at the espresso end which would be a deal breaker for me. But my oh my, budget friendly for sure.
MWJB It does both a uniform grind size and a personalised grind size, effortlessly, every time. We surely have the answer to all our dreams… this time….?