Here we describe an electronic system that uses a dedicated water-level sensor to switch off the pump motor as soon as the ...

Welcome to Connections: Sports Edition Coach — a spot to gather clues and discuss (and share) scores. Mark Cooper 2 Connections: Sports Edition hints for Jan. 9, 2026, puzzle No. 473 Mark Cooper 31 ...

Have you heard the saying “the problem is the solution”? It seems to originate in the permaculture movement, but it can apply equally well to electronics. Take the problem [shiura] ...

Time yourself for an extra challenge. Turn on the timer in settings and race to solve today’s puzzle.