Package of 20 18-8 Stainless steel hex (Allen) socket button head/cap machine screws Low-Cost Shipping to the USA + APO Addresses.  Order multiple at once to…

This listing includes 4 DRV8825 driver chips with heat sinks The Arduino UNO Board is NOT included with this listing – see our other items…

ST-Link V2 Programmer Color and markings may vary from picture. Includes 4-wire female<–>female adapter Useful for programming our “blue pill” boards, and other STM32 boards.…

These are fantastic bowden extruders, and they come preassembled (The drive gear is attached to the motor shaft, the motor is attached to the extruder,…

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

*** 3 Pieces *** ESP-8266 Development Board (commonly referred to as “NodeMCU”) USB-programmable (requires a microUSB cable); no extra programming device required. Built around the…

*** 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 A4988 stepper motor drivers. Ships unassembled – the pins need to be soldered on the arduino board,…

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

Stainless hex socket cap flat head machine screws Pack of 20 Photo may not be of exact item, for example we use pictures of one…