*** 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…

*** 3 Pieces *** Single-channel 5V relay board Very simple to wire, and extremely useful Please consider our our multi-item discount found at the top of the listing…

Arduino Pro Micro Compatible Development Board Includes 2 female 1x12p headers to match the board’s male pins Features: ATmega32U4 Microcontroller Built-in USB support (allows USB…

Includes Mini USB and Dupont wires pictured. Specs: ARM Cortex M3 @ 72MHz 20k RAM 32khz RTC crystal JTAG / ST-Link connector 8-pin 0.96″ OLED…

*** 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…

This sensor is similar to the /BX model, but more versatile due to supporting NC or NO (Normally Closed or Normally Open)configurations.  There are 4 wires…

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…

Black oxide coated hex socket cap flat head machine screws Pack of 20   10% off 3, 15% off 5 items.  Applies to most of…

We added 4 more cameras to the Ultra360 rig for greater flexibility stitching complicated scenes, especially when the rig is close to objects.  We also…