With the multicolor pen on board, [TUENHIDIY] notes the importance of limit switches in the design. These allow the the ‘bot to make multiple passes, each time in a different color, to build up ...

Such is the case for [Raymond] who transformed a tool changer attempt into a perfectly capable z-level probe that uses the hotend itself as a limit switch. The secret sauce behind this mechanism ...

AutomationDirect has added more options for high precision limit switches from Metrol. High-temperature precision limit switches have been added that provide a 10 micron accuracy and are rated for ...

Electronic devices are built from many different parts ... by very little physical force used in safety interlocks and limit switches ...