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 ...

Limit switches: A mechanical limit switch interlocks a mechanical motion or position with an electrical circuit.

A range of mechanical limit switches are constructed of durable thermoplastic or rugged zinc alloy metal, capable of withstanding the most demanding of installation environments, says the vendor. The ...