Single-channel 5V relay board Very simple to wire, and extremely useful FREE Shipping to the USA + APO Addresses 10% off 3, 15% off 5 items. …

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

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…

6-Camera Panorama Rig (360 Rig) designed for the GoPro Hero4 Uses standard GoPro waterproof housings, mounted with our custom backplates which are affixed to the…

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…

Black oxide coated hex socket cap flat head machine screws Pack of 50 Please consider taking advantage of our multi-item discount found at the top…

*** 2 Pack *** IR proximity/obstacle detection/avoidance  sensor for Arduino, STM32, ESP8266/ESP32, etc 3.3V-5V operation LM393 Chip Digital output Adjustable threshold Please consider our our multi-item…

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

Includes 40-pin ribbon cable and adapter with 2×20 Pin male header to 2.54mm spacing male pins labeled with Raspberry Pi GPIO pinout Great for connecting…

All-Metal Hotend Conversion Kit for MakerBot Replicator Style 3D Printers with MK10 Hotends Using a hotend without a PTFE liner allows printing of materials that…