This sensor triggers when something comes between the IR emitter and receptor.  Generally used as non-contact limit switches/endstops/proximity sensors.  Also can be used to build…

Breadboard not included. No more awkward alligator clips connecting a bench power supply to breadboard jumpers. Features: Space-saving design leaves more of your breadboard available…

This listing includes 2 of the banana plug to alligator clip wires. 24-Pin ATX Power supply adapter Coverts your ATX (common in computers) power supply…

New stepper motor cable for the most common NEMA 17 steppers found on 3D printers. Length is great for swapping to a Bowden (remote) extruder…

*** 5 Pack *** 20-Tooth GT2 Pulleys Includes set screws (2 per pulley) for affixing to motor/idler shaft Please consider our our multi-item discount found at the…

Stainless hex button cap head machine screws Pack of 20   10% off 3, 15% off 5 items.  Applies to most of our items.

*** 2 Pack *** No more awkward alligator clips connecting a bench power supply to breadboard jumpers. Features: Independently switch each side – 5V or…

Threading adapter, G1/4 female threads to male 1/4 NPT We also sell these with our pressure transducers (which have male G1/4 threads).  These likely have many…

PTFE / Teflon tubing 4MM OD (outer) 2MM ID (inner) Commonly used as bowden tubing (filament guide for 3D printers) – perfect for 1.75mm filament…

*** 2 Pack (2 CNC shields, 8 Stepper Drivers) *** This listing includes A4988 driver chips with heat sinks CNC Shield for Arduino UNO Supports…