*** 2 Pack *** Used to sense the presence of raindrops.  Sensitivity can be adjusted via a potentiometer. Features and Specifications: 3.3 – 5V Compatible…

Quantity 50 Flat Head Hex Drive (Allen) Machine Screw 18-8 Stainless Steel Please consider our our multi-item discount found at the top of the listing page; it…

This is essentially an Arduino Mega 2560 scaled down to 36.5×51.5mm (drasically smaller than the standard version). Since the USB port was removed to save…

ESP8266 NodeMCU Microcontroller Development Board (with integrated WiFi) + Motor Driver Board with built-in L293D chip Note: the included NodeMCU board is the V2 style,…

Qty. 20 2×14 Female headers (28 pin dual row) 2.54mm (0.1″) spacing Please consider taking advantage of our multi-item discount found at the top of the listing…

Breakout board for an ATX power supply Built-in power switch and indicator LEDs Fully assembled including DIN rail mount. This is a very convenient way to supply…

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…

Cooling / Cooler Block for MakerBot Replicator and clones, and other similar 3D Printers MK10 size, appropriate for converting an MK8 printer, particularly if you…

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

*** 12 Pack *** LM8UU bearings for 8mm linear rod Commonly used on 3D printers and other motion control applications Quality bearings – this type…