Protect your waterproof housing from scratches when not in use Also blocks the power/mode button so you don’t drain your battery. Especially useful with one…

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

This listing is for the ballnut housing only – the ballnut, ballscrew, bearings, etc are not included. This is the piece that fits over the…

This listing includes: 4x A4988 driver chips with heat sinks 1x CNC Shield 1x Arduino UNO Compatible board CNC Shield for Arduino UNO 4-axis support…

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,…

Ships from (and made in) the USA.  USPS Priority Mail 3-day Color for this unit is BLUE (see pic added to this listing) Test video…

1/4-20 threaded adapter, female-female FF gender changer Used when you have a male thread but need a female. For example, photography light stands typically have…

3.5″ Touchscreen display for Raspberry Pi 2 and 3 This is the perfect display if you want to keep the size as close to the…

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.…

Arduino Nano compatible microcontroller board + Screw Terminal interface board These are great for securely connectinng wires, especially when using a breadboard doesn’t make sense.…