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

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…

Black oxide coated hex socket cap flat head machine screws Pack of 20 Pictures may not be of the exact item listed – dimensions specified…

These are very popular motor drivers and for very good reason.  2A current, up to 36V supply.  5V logic. Extremely easy to interface with using…

***3 PIECES*** ARM STM32 Dev Development Board – commonly known as the “Blue Pill” 32-bit microcontroller development board,new in sealed package containing 2×20 male pins…

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…

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,…

*** 2 Pack *** LSI/CSI LS7366R quadrature counter IC in DIP package This is a popular chip for reading quadrature encoders (such as those used on servo…

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

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