10-PACK 40 Pin female header, 2 rows of 20 pins each.  2.54mm / 0.1″ spacing This is the spacing of the Raspberry Pi 2/3 40-Pin…

Our premium quality MOSFET board makes it simple to build safeguards into your 3D Printer that should have been put there by the manufacturer in…

Pack of 100 threaded inserts. These create much more convenient and professional parts than using “captive nuts” (where you have to design a slot for…

30cm (approximately 12 inches / 1ft.) OBD-2 FEMALE pigtail adapter FREE Shipping to the USA + APO Addresses. 10% off 3, 15% off 5 items.  Applies…

Color for this unit is BLACK Ships from (and made in) the USA.  USPS Priority Mail 3-day Example content created using our rigs is available…

*** 3 Pieces *** Single-channel 5V relay board Very simple to wire, and extremely useful Please consider our our multi-item discount found at the top of the listing…

*** Includes male pins – Requires Soldering  *** Arduino Mega 2560 Compatible development board Features: ATmega2560 Microcontroller Built-in USB support for power and programming Power…

3-Axis CNC controller kit includes Arduino nano compatible board, CNC shield, and 3x DRV8825 stepper motor drivers. Ships unassembled – the pins need to be soldered on the arduino board,…

*** These scanners are USED.  They don’t include any of the original packaging or accessories (all you really need is a smartphone and a microUSB…

Inductive probes are a popular way of adding bed level compensation ability to 3D printers. Marlin and other 3d printer firmwares support this.  Also useful…