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

Quantity 20 Socket Head Cap Screw 18-8 Stainless Steel FREE Shipping to the USA + APO Addresses 10% off 3, 15% off 5 items.  Applies to…

*** 2 Pack *** New stepper motor cable for the most common NEMA 17 steppers found on 3D printers. Length is great for swapping to…

0.96″ I2C / IIC Serial OLED Display Screen with BLUE text Resolution is 128×64 Compatible with Arduino, ESP8266, ESP32, Raspberry Pi, etc.  3.3V or 5V logic level,…

2-PACK 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…

This listing includes 4 A4988 driver chips with heat sinks CNC Shield for Arduino UNO Supports 4 stepper drivers Can be used with A4988 or…

Quantity 20 Socket Head Cap Screw 18-8 Stainless Steel #6-32 Length 1/2″ FREE Shipping to the USA + APO addresses 10% off 3, 15% off 5…

Black oxide coated hex socket cap flat head machine screws Pack of 50 10% off 3, 15% off 5 items.  Applies to most of our items. FREE Shipping to the USA + APO Addresses.

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…

*** 2 Pack *** Arduino Nano compatible Screw Terminal interface board These are great for securely connecting wires, especially when using a breadboard doesn’t make…