*** 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…

*** 2 Pack *** Photosensitive sensor for Arduino, STM32, ESP8266/ESP32, etc 3.3V-5V operation Digital and analog outputs Used to sense light (or dark) FREE Shipping to…

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

Black oxide coated hex socket cap flat head machine screws Please consider our our multi-item discount found at the top of the listing page; it…

PLEASE READ: We are closing out this model and have a handful of these left.  The remaining units are being sold at a deep discount…

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…

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…

Stainless hex button cap head machine screws Pack of 20   10% off 3, 15% off 5 items.  Applies to most of our items.

Our premium quality MOSFET board makes it simple to build safeguards into your 3D Printer that should have been put there by the manufacturer in…

No more awkward alligator clips connecting a bench power supply to breadboard jumpers. Features: Space-saving design leaves more of your breadboard available for prototyping compared…