Package of springs commonly used in 3D Printer extruders Can help to restore pressure between the feed device and the filament, improving filament extrusion. These…

This sensor is similar to the /BX model, but more versatile due to supporting NC or NO (Normally Closed or Normally Open) configurations.  There are 4 wires on this…

RJ45 Wired Ethernet Module New in sealed, anti-static packaging Please consider taking advantage of our multi-item discount found at the top of the listing page; it allows…

All-Metal Hotend Conversion Kit for MakerBot Replicator Style 3D Printers with MK10 Hotends Using a hotend without a PTFE liner allows printing of materials that…

ESP32 ESP-WROOM-32 Development Board Powerful 32-Bit microcontroller with built-in Bluetooth 4.0 (BLE) and 2.4GHz WiFi With pre-soldered breadboard headers and built-in USB-serial adapter, all you need is a…

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

Arduino Nano compatible microcontroller board with pre-soldered pins, installed in an assembledscrew terminal breakout board. No soldering required.  Ships in sealed anti-static packaging. Please consider our our multi-item discount found at the…

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

*** 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…

2 Pieces 40 Pin female header, 2 rows of 20 pins each.  2.54mm / 0.1″ spacing This header has extra long pins which is why…